diff --git a/CoreStore.xcodeproj/project.pbxproj b/CoreStore.xcodeproj/project.pbxproj
index c5a6a24..2fe0aeb 100644
--- a/CoreStore.xcodeproj/project.pbxproj
+++ b/CoreStore.xcodeproj/project.pbxproj
@@ -698,6 +698,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_WHOLE_MODULE_OPTIMIZATION = YES;
 			};
 			name = Debug;
 		};
@@ -721,6 +722,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-O";
+				SWIFT_WHOLE_MODULE_OPTIMIZATION = YES;
 			};
 			name = Release;
 		};
diff --git a/CoreStoreDemo/CoreStoreDemo.xcodeproj/project.pbxproj b/CoreStoreDemo/CoreStoreDemo.xcodeproj/project.pbxproj
index 5c5ba13..281bd17 100644
--- a/CoreStoreDemo/CoreStoreDemo.xcodeproj/project.pbxproj
+++ b/CoreStoreDemo/CoreStoreDemo.xcodeproj/project.pbxproj
@@ -28,6 +28,10 @@
 		B56964DA1B231BCA0075EE4A /* MaleAccount.swift in Sources */ = {isa = PBXBuildFile; fileRef = B56964D91B231BCA0075EE4A /* MaleAccount.swift */; };
 		B56964DC1B231BCB0075EE4A /* FemaleAccount.swift in Sources */ = {isa = PBXBuildFile; fileRef = B56964DB1B231BCB0075EE4A /* FemaleAccount.swift */; };
 		B56964DF1B2321E30075EE4A /* MigrationDemo.xcdatamodeld in Sources */ = {isa = PBXBuildFile; fileRef = B56964DD1B2321E30075EE4A /* MigrationDemo.xcdatamodeld */; };
+		B569650C1B2B36E10075EE4A /* FetchingAndQueryingDemoViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = B569650B1B2B36E10075EE4A /* FetchingAndQueryingDemoViewController.swift */; };
+		B56965181B2E20CC0075EE4A /* TimeZone.swift in Sources */ = {isa = PBXBuildFile; fileRef = B56965171B2E20CC0075EE4A /* TimeZone.swift */; };
+		B569651A1B30888A0075EE4A /* FetchingResultsViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = B56965191B30888A0075EE4A /* FetchingResultsViewController.swift */; };
+		B569651C1B30889A0075EE4A /* QueryingResultsViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = B569651B1B30889A0075EE4A /* QueryingResultsViewController.swift */; };
 		B583A9201AF5F542001F76AF /* CoreStore.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = B583A91B1AF5F4F4001F76AF /* CoreStore.framework */; };
 		B583A9211AF5F542001F76AF /* CoreStore.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = B583A91B1AF5F4F4001F76AF /* CoreStore.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
 		B5D9C9191B20AB1900E64F0E /* GCDKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = B5D9C9181B20AB1900E64F0E /* GCDKit.framework */; };
@@ -105,6 +109,10 @@
 		B56964DB1B231BCB0075EE4A /* FemaleAccount.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = FemaleAccount.swift; sourceTree = "<group>"; };
 		B56964DE1B2321E30075EE4A /* MigrationDemo.xcdatamodel */ = {isa = PBXFileReference; lastKnownFileType = wrapper.xcdatamodel; path = MigrationDemo.xcdatamodel; sourceTree = "<group>"; };
 		B56964E01B2326F30075EE4A /* MigrationDemoV2.xcdatamodel */ = {isa = PBXFileReference; lastKnownFileType = wrapper.xcdatamodel; path = MigrationDemoV2.xcdatamodel; sourceTree = "<group>"; };
+		B569650B1B2B36E10075EE4A /* FetchingAndQueryingDemoViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = FetchingAndQueryingDemoViewController.swift; sourceTree = "<group>"; };
+		B56965171B2E20CC0075EE4A /* TimeZone.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = TimeZone.swift; sourceTree = "<group>"; };
+		B56965191B30888A0075EE4A /* FetchingResultsViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = FetchingResultsViewController.swift; sourceTree = "<group>"; };
+		B569651B1B30889A0075EE4A /* QueryingResultsViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = QueryingResultsViewController.swift; sourceTree = "<group>"; };
 		B583A9141AF5F4F3001F76AF /* CoreStore.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = CoreStore.xcodeproj; path = ../CoreStore.xcodeproj; sourceTree = "<group>"; };
 		B5D9C9181B20AB1900E64F0E /* GCDKit.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; path = GCDKit.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 /* End PBXFileReference section */
@@ -180,6 +188,7 @@
 				B566E3271B117AE700F4F0C6 /* Stack Setup Demo */,
 				B503FADA1AFDC71700F90881 /* List and Object Observers Demo */,
 				B52977DB1B120F2C003D50A5 /* Transactions Demo */,
+				B56965091B2B35370075EE4A /* Fetching and Querying Demo */,
 				B56964C61B20AC200075EE4A /* Loggers Demo */,
 				B54AAD571AF4D26E00848AE0 /* Main.storyboard */,
 				B54AAD5A1AF4D26E00848AE0 /* Images.xcassets */,
@@ -219,6 +228,17 @@
 			path = "Loggers Demo";
 			sourceTree = "<group>";
 		};
+		B56965091B2B35370075EE4A /* Fetching and Querying Demo */ = {
+			isa = PBXGroup;
+			children = (
+				B56965171B2E20CC0075EE4A /* TimeZone.swift */,
+				B569650B1B2B36E10075EE4A /* FetchingAndQueryingDemoViewController.swift */,
+				B56965191B30888A0075EE4A /* FetchingResultsViewController.swift */,
+				B569651B1B30889A0075EE4A /* QueryingResultsViewController.swift */,
+			);
+			path = "Fetching and Querying Demo";
+			sourceTree = "<group>";
+		};
 		B583A9151AF5F4F3001F76AF /* Products */ = {
 			isa = PBXGroup;
 			children = (
@@ -324,9 +344,12 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				B56965181B2E20CC0075EE4A /* TimeZone.swift in Sources */,
 				B52977DD1B120F3B003D50A5 /* TransactionsDemoViewController.swift in Sources */,
 				B56964DF1B2321E30075EE4A /* MigrationDemo.xcdatamodeld in Sources */,
 				B52977E41B121635003D50A5 /* Place.swift in Sources */,
+				B569650C1B2B36E10075EE4A /* FetchingAndQueryingDemoViewController.swift in Sources */,
+				B569651A1B30888A0075EE4A /* FetchingResultsViewController.swift in Sources */,
 				B503FAE01AFDC71700F90881 /* ObjectObserverDemoViewController.swift in Sources */,
 				B52977D91B120B80003D50A5 /* ObserversViewController.swift in Sources */,
 				B56964C91B20AC780075EE4A /* CustomLoggerViewController.swift in Sources */,
@@ -340,6 +363,7 @@
 				B54AAD4F1AF4D26E00848AE0 /* AppDelegate.swift in Sources */,
 				B56964D71B231AE90075EE4A /* StackSetupDemo.xcdatamodeld in Sources */,
 				B56964DC1B231BCB0075EE4A /* FemaleAccount.swift in Sources */,
+				B569651C1B30889A0075EE4A /* QueryingResultsViewController.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
diff --git a/CoreStoreDemo/CoreStoreDemo/Base.lproj/Main.storyboard b/CoreStoreDemo/CoreStoreDemo/Base.lproj/Main.storyboard
index d7ce7f7..8757afd 100644
--- a/CoreStoreDemo/CoreStoreDemo/Base.lproj/Main.storyboard
+++ b/CoreStoreDemo/CoreStoreDemo/Base.lproj/Main.storyboard
@@ -150,7 +150,7 @@
                                         <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="ekW-PJ-mbo" id="CYq-mg-PVS">
                                             <autoresizingMask key="autoresizingMask"/>
                                             <subviews>
-                                                <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="Placemark" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="UbU-Kd-yrY">
+                                                <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="Placemarks" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="UbU-Kd-yrY">
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                                                     <fontDescription key="fontDescription" name="HelveticaNeue-Light" family="Helvetica Neue" pointSize="20"/>
                                                     <color key="textColor" red="0.17254901959999999" green="0.24313725489999999" blue="0.31372549020000001" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
@@ -168,6 +168,29 @@
                                             <segue destination="jPl-fH-NlD" kind="show" id="g1J-LG-mxf"/>
                                         </connections>
                                     </tableViewCell>
+                                    <tableViewCell contentMode="scaleToFill" selectionStyle="default" accessoryType="disclosureIndicator" indentationWidth="10" textLabel="C8Y-0y-lEG" detailTextLabel="jZw-qE-0ws" style="IBUITableViewCellStyleSubtitle" id="ph1-8z-C1m">
+                                        <autoresizingMask key="autoresizingMask"/>
+                                        <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="ph1-8z-C1m" id="nNz-rd-ksg">
+                                            <autoresizingMask key="autoresizingMask"/>
+                                            <subviews>
+                                                <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="Time Zones" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="C8Y-0y-lEG">
+                                                    <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                                                    <fontDescription key="fontDescription" name="HelveticaNeue-Light" family="Helvetica Neue" pointSize="20"/>
+                                                    <color key="textColor" red="0.17254901959999999" green="0.24313725489999999" blue="0.31372549020000001" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                                    <nil key="highlightedColor"/>
+                                                </label>
+                                                <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="Fetching objects and raw values" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="jZw-qE-0ws">
+                                                    <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                                                    <fontDescription key="fontDescription" type="system" pointSize="11"/>
+                                                    <color key="textColor" red="0.17254901959999999" green="0.24313725489999999" blue="0.31372549020000001" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                                    <nil key="highlightedColor"/>
+                                                </label>
+                                            </subviews>
+                                        </tableViewCellContentView>
+                                        <connections>
+                                            <segue destination="qbj-MK-nIY" kind="show" id="1xo-NL-U8c"/>
+                                        </connections>
+                                    </tableViewCell>
                                     <tableViewCell contentMode="scaleToFill" selectionStyle="default" accessoryType="disclosureIndicator" indentationWidth="10" textLabel="ZfY-Aq-Ykq" detailTextLabel="QzD-9b-k1j" style="IBUITableViewCellStyleSubtitle" id="wyK-rk-3tI">
                                         <autoresizingMask key="autoresizingMask"/>
                                         <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="wyK-rk-3tI" id="fLd-KK-QcW">
@@ -191,26 +214,6 @@
                                             <segue destination="5yy-0N-QDU" kind="show" id="5D7-Xp-1HT"/>
                                         </connections>
                                     </tableViewCell>
-                                    <tableViewCell contentMode="scaleToFill" selectionStyle="default" accessoryType="disclosureIndicator" indentationWidth="10" textLabel="C8Y-0y-lEG" detailTextLabel="jZw-qE-0ws" style="IBUITableViewCellStyleSubtitle" id="ph1-8z-C1m">
-                                        <autoresizingMask key="autoresizingMask"/>
-                                        <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="ph1-8z-C1m" id="nNz-rd-ksg">
-                                            <autoresizingMask key="autoresizingMask"/>
-                                            <subviews>
-                                                <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="C8Y-0y-lEG">
-                                                    <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
-                                                    <fontDescription key="fontDescription" name="HelveticaNeue-Light" family="Helvetica Neue" pointSize="20"/>
-                                                    <color key="textColor" red="0.0" green="0.0" blue="0.0" alpha="1" colorSpace="calibratedRGB"/>
-                                                    <nil key="highlightedColor"/>
-                                                </label>
-                                                <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="Fetching objects and raw values" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="jZw-qE-0ws">
-                                                    <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
-                                                    <fontDescription key="fontDescription" type="system" pointSize="11"/>
-                                                    <color key="textColor" red="0.17254901959999999" green="0.24313725489999999" blue="0.31372549020000001" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
-                                                    <nil key="highlightedColor"/>
-                                                </label>
-                                            </subviews>
-                                        </tableViewCellContentView>
-                                    </tableViewCell>
                                 </cells>
                             </tableViewSection>
                         </sections>
@@ -223,7 +226,7 @@
                 </tableViewController>
                 <placeholder placeholderIdentifier="IBFirstResponder" id="Xgp-Zn-Sbp" userLabel="First Responder" sceneMemberID="firstResponder"/>
             </objects>
-            <point key="canvasLocation" x="2982" y="1325"/>
+            <point key="canvasLocation" x="2634" y="2013"/>
         </scene>
         <!--Object Observer-->
         <scene sceneID="Y7v-tc-8cX">
@@ -417,7 +420,7 @@
                 </navigationController>
                 <placeholder placeholderIdentifier="IBFirstResponder" id="sm4-t7-KeT" userLabel="First Responder" sceneMemberID="firstResponder"/>
             </objects>
-            <point key="canvasLocation" x="2170" y="1325"/>
+            <point key="canvasLocation" x="1822" y="2013"/>
         </scene>
         <!--List Observer-->
         <scene sceneID="gkX-bd-Rel">
@@ -559,7 +562,7 @@
             </objects>
             <point key="canvasLocation" x="4404" y="1546"/>
         </scene>
-        <!--Placemark-->
+        <!--Placemarks-->
         <scene sceneID="LRD-q1-hw1">
             <objects>
                 <viewController id="jPl-fH-NlD" customClass="TransactionsDemoViewController" customModule="CoreStoreDemo" customModuleProvider="target" sceneMemberID="viewController">
@@ -587,7 +590,7 @@
                         </constraints>
                     </view>
                     <extendedEdge key="edgesForExtendedLayout" bottom="YES"/>
-                    <navigationItem key="navigationItem" title="Placemark" id="s5y-WX-W5w"/>
+                    <navigationItem key="navigationItem" title="Placemarks" id="s5y-WX-W5w"/>
                     <connections>
                         <outlet property="mapView" destination="V2U-0R-Ts0" id="X6a-Bp-psg"/>
                     </connections>
@@ -653,7 +656,7 @@
                 </viewController>
                 <placeholder placeholderIdentifier="IBFirstResponder" id="gKf-zW-DSX" userLabel="First Responder" sceneMemberID="firstResponder"/>
             </objects>
-            <point key="canvasLocation" x="3694" y="2792"/>
+            <point key="canvasLocation" x="3694" y="3412"/>
         </scene>
         <!--Navigation Controller-->
         <scene sceneID="3ih-RN-P43">
@@ -680,6 +683,172 @@
             </objects>
             <point key="canvasLocation" x="4404" y="1144.5"/>
         </scene>
+        <!--Time Zones-->
+        <scene sceneID="nFT-bo-7y9">
+            <objects>
+                <viewController automaticallyAdjustsScrollViewInsets="NO" id="qbj-MK-nIY" customClass="FetchingAndQueryingDemoViewController" customModule="CoreStoreDemo" customModuleProvider="target" sceneMemberID="viewController">
+                    <layoutGuides>
+                        <viewControllerLayoutGuide type="top" id="dgu-PC-LiB"/>
+                        <viewControllerLayoutGuide type="bottom" id="DlN-cN-JXd"/>
+                    </layoutGuides>
+                    <view key="view" contentMode="scaleToFill" id="eC3-ql-d2o">
+                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <subviews>
+                            <tableView clipsSubviews="YES" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="prototypes" style="plain" separatorStyle="default" rowHeight="44" sectionHeaderHeight="22" sectionFooterHeight="22" translatesAutoresizingMaskIntoConstraints="NO" id="WGY-kX-mAx">
+                                <rect key="frame" x="0.0" y="64" width="600" height="536"/>
+                                <color key="backgroundColor" red="0.20392156859999999" green="0.28627450980000002" blue="0.36862745099999999" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                <color key="separatorColor" red="0.20392156859999999" green="0.28627450980000002" blue="0.36862745099999999" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                <view key="tableHeaderView" contentMode="scaleToFill" id="iaH-1W-Sbo">
+                                    <rect key="frame" x="0.0" y="0.0" width="600" height="80"/>
+                                    <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                                    <subviews>
+                                        <segmentedControl opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="left" contentVerticalAlignment="top" segmentControlStyle="bordered" selectedSegmentIndex="0" translatesAutoresizingMaskIntoConstraints="NO" id="YVj-dA-fyV">
+                                            <rect key="frame" x="20" y="26" width="560" height="29"/>
+                                            <segments>
+                                                <segment title="Fetch"/>
+                                                <segment title="Query"/>
+                                            </segments>
+                                            <color key="tintColor" red="0.20392156859999999" green="0.28627450980000002" blue="0.36862745099999999" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                            <connections>
+                                                <action selector="segmentedControlValueChanged:" destination="qbj-MK-nIY" eventType="valueChanged" id="Wok-dl-uq7"/>
+                                            </connections>
+                                        </segmentedControl>
+                                    </subviews>
+                                    <color key="backgroundColor" white="1" alpha="0.80000000000000004" colorSpace="calibratedWhite"/>
+                                    <constraints>
+                                        <constraint firstItem="YVj-dA-fyV" firstAttribute="leading" secondItem="iaH-1W-Sbo" secondAttribute="leading" constant="20" id="1dX-t7-dyR"/>
+                                        <constraint firstAttribute="centerY" secondItem="YVj-dA-fyV" secondAttribute="centerY" id="HXU-Z7-jfu"/>
+                                        <constraint firstAttribute="trailing" secondItem="YVj-dA-fyV" secondAttribute="trailing" constant="20" id="yZc-YH-2a6"/>
+                                    </constraints>
+                                </view>
+                                <prototypes>
+                                    <tableViewCell contentMode="scaleToFill" selectionStyle="default" accessoryType="disclosureIndicator" indentationWidth="10" reuseIdentifier="UITableViewCell" textLabel="6db-P0-6Ms" style="IBUITableViewCellStyleDefault" id="vUr-WV-qur">
+                                        <rect key="frame" x="0.0" y="0.0" width="600" height="44"/>
+                                        <autoresizingMask key="autoresizingMask"/>
+                                        <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="vUr-WV-qur" id="Vr0-hE-cn9">
+                                            <autoresizingMask key="autoresizingMask"/>
+                                            <subviews>
+                                                <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="Title" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="6db-P0-6Ms">
+                                                    <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                                                    <fontDescription key="fontDescription" name="HelveticaNeue-Light" family="Helvetica Neue" pointSize="18"/>
+                                                    <color key="textColor" red="0.17254901959999999" green="0.24313725489999999" blue="0.31372549020000001" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                                    <nil key="highlightedColor"/>
+                                                </label>
+                                            </subviews>
+                                        </tableViewCellContentView>
+                                    </tableViewCell>
+                                </prototypes>
+                                <connections>
+                                    <outlet property="dataSource" destination="qbj-MK-nIY" id="EzZ-Ai-1Ws"/>
+                                    <outlet property="delegate" destination="qbj-MK-nIY" id="nxB-y6-zeW"/>
+                                </connections>
+                            </tableView>
+                        </subviews>
+                        <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                        <constraints>
+                            <constraint firstItem="WGY-kX-mAx" firstAttribute="top" secondItem="dgu-PC-LiB" secondAttribute="bottom" id="0pS-cU-ibk"/>
+                            <constraint firstAttribute="trailing" secondItem="WGY-kX-mAx" secondAttribute="trailing" id="NeY-g5-CaB"/>
+                            <constraint firstItem="WGY-kX-mAx" firstAttribute="leading" secondItem="eC3-ql-d2o" secondAttribute="leading" id="hmg-4g-RJR"/>
+                            <constraint firstItem="DlN-cN-JXd" firstAttribute="top" secondItem="WGY-kX-mAx" secondAttribute="bottom" id="noT-BW-H0m"/>
+                        </constraints>
+                    </view>
+                    <navigationItem key="navigationItem" title="Time Zones" id="iCK-OF-qH9"/>
+                    <connections>
+                        <outlet property="segmentedControl" destination="YVj-dA-fyV" id="BPp-f2-VxW"/>
+                        <outlet property="tableView" destination="WGY-kX-mAx" id="7kc-fB-s7N"/>
+                        <segue destination="tIs-pN-OgO" kind="show" identifier="FetchingResultsViewController" id="AoY-Dn-t34"/>
+                        <segue destination="o9D-Xm-13g" kind="show" identifier="QueryingResultsViewController" id="0RK-WR-PQ9"/>
+                    </connections>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="blS-OT-gHK" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="3694" y="2712"/>
+        </scene>
+        <!--Fetch Results-->
+        <scene sceneID="kk7-cC-Fj8">
+            <objects>
+                <tableViewController id="tIs-pN-OgO" customClass="FetchingResultsViewController" customModule="CoreStoreDemo" customModuleProvider="target" sceneMemberID="viewController">
+                    <tableView key="view" clipsSubviews="YES" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="prototypes" style="plain" separatorStyle="default" rowHeight="60" sectionHeaderHeight="36" sectionFooterHeight="22" id="tVl-tT-UDk">
+                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" red="0.20392156859999999" green="0.28627450980000002" blue="0.36862745099999999" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <color key="separatorColor" red="0.20392156859999999" green="0.28627450980000002" blue="0.36862745099999999" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <prototypes>
+                            <tableViewCell contentMode="scaleToFill" selectionStyle="none" indentationWidth="10" reuseIdentifier="UITableViewCell" textLabel="RgX-yK-1L2" detailTextLabel="QZ4-A2-x4h" style="IBUITableViewCellStyleSubtitle" id="uBt-Iy-nWP">
+                                <autoresizingMask key="autoresizingMask"/>
+                                <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="uBt-Iy-nWP" id="6SD-ur-9zp">
+                                    <autoresizingMask key="autoresizingMask"/>
+                                    <subviews>
+                                        <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="name" lineBreakMode="wordWrap" numberOfLines="0" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="RgX-yK-1L2">
+                                            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                                            <fontDescription key="fontDescription" name="HelveticaNeue-Light" family="Helvetica Neue" pointSize="20"/>
+                                            <color key="textColor" red="0.17254901959999999" green="0.24313725489999999" blue="0.31372549020000001" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                            <nil key="highlightedColor"/>
+                                        </label>
+                                        <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="offset" lineBreakMode="wordWrap" numberOfLines="0" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="QZ4-A2-x4h">
+                                            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                                            <fontDescription key="fontDescription" type="system" pointSize="11"/>
+                                            <color key="textColor" red="0.17254901959999999" green="0.24313725489999999" blue="0.31372549020000001" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                            <nil key="highlightedColor"/>
+                                        </label>
+                                    </subviews>
+                                </tableViewCellContentView>
+                            </tableViewCell>
+                        </prototypes>
+                        <connections>
+                            <outlet property="dataSource" destination="tIs-pN-OgO" id="6Bt-9f-xrK"/>
+                            <outlet property="delegate" destination="tIs-pN-OgO" id="unW-dH-8W2"/>
+                        </connections>
+                    </tableView>
+                    <navigationItem key="navigationItem" title="Fetch Results" id="q8f-ux-g9l"/>
+                </tableViewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="oNB-PO-h8i" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="4404" y="2369"/>
+        </scene>
+        <!--Query Results-->
+        <scene sceneID="eUn-Bw-RNd">
+            <objects>
+                <tableViewController id="o9D-Xm-13g" customClass="QueryingResultsViewController" customModule="CoreStoreDemo" customModuleProvider="target" sceneMemberID="viewController">
+                    <tableView key="view" clipsSubviews="YES" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="prototypes" style="plain" separatorStyle="default" rowHeight="60" sectionHeaderHeight="36" sectionFooterHeight="22" id="bMh-zR-xwu">
+                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" red="0.20392156859999999" green="0.28627450980000002" blue="0.36862745099999999" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <color key="separatorColor" red="0.20392156859999999" green="0.28627450980000002" blue="0.36862745099999999" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <prototypes>
+                            <tableViewCell contentMode="scaleToFill" selectionStyle="none" indentationWidth="10" reuseIdentifier="UITableViewCell" textLabel="Syt-QJ-KXg" detailTextLabel="yHS-dP-IKS" style="IBUITableViewCellStyleSubtitle" id="q7Q-aF-Ftl">
+                                <autoresizingMask key="autoresizingMask"/>
+                                <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="q7Q-aF-Ftl" id="fc3-eg-yes">
+                                    <autoresizingMask key="autoresizingMask"/>
+                                    <subviews>
+                                        <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="name" lineBreakMode="wordWrap" numberOfLines="0" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="Syt-QJ-KXg">
+                                            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                                            <fontDescription key="fontDescription" name="HelveticaNeue-Light" family="Helvetica Neue" pointSize="20"/>
+                                            <color key="textColor" red="0.17254901959999999" green="0.24313725489999999" blue="0.31372549020000001" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                            <nil key="highlightedColor"/>
+                                        </label>
+                                        <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="offset" lineBreakMode="wordWrap" numberOfLines="0" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="yHS-dP-IKS">
+                                            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                                            <fontDescription key="fontDescription" type="system" pointSize="11"/>
+                                            <color key="textColor" red="0.17254901959999999" green="0.24313725489999999" blue="0.31372549020000001" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                            <nil key="highlightedColor"/>
+                                        </label>
+                                    </subviews>
+                                </tableViewCellContentView>
+                            </tableViewCell>
+                        </prototypes>
+                        <connections>
+                            <outlet property="dataSource" destination="o9D-Xm-13g" id="X7V-ld-5ea"/>
+                            <outlet property="delegate" destination="o9D-Xm-13g" id="h9U-qa-e4j"/>
+                        </connections>
+                    </tableView>
+                    <navigationItem key="navigationItem" title="Query Results" id="yuZ-gO-DnV"/>
+                </tableViewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="VxN-sF-a59" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="4404" y="3055"/>
+        </scene>
     </scenes>
     <resources>
         <image name="second" width="30" height="30"/>
diff --git a/CoreStoreDemo/CoreStoreDemo/CoreStoreDemo.xcdatamodeld/CoreStoreDemo.xcdatamodel/contents b/CoreStoreDemo/CoreStoreDemo/CoreStoreDemo.xcdatamodeld/CoreStoreDemo.xcdatamodel/contents
index 3e02793..0198ef1 100644
--- a/CoreStoreDemo/CoreStoreDemo/CoreStoreDemo.xcdatamodeld/CoreStoreDemo.xcdatamodel/contents
+++ b/CoreStoreDemo/CoreStoreDemo/CoreStoreDemo.xcdatamodeld/CoreStoreDemo.xcdatamodel/contents
@@ -13,6 +13,16 @@
         <attribute name="subtitle" optional="YES" attributeType="String" syncable="YES"/>
         <attribute name="title" optional="YES" attributeType="String" syncable="YES"/>
     </entity>
+    <entity name="TimeZone" representedClassName="CoreStoreDemo.TimeZone" syncable="YES">
+        <attribute name="abbreviation" optional="YES" attributeType="String" syncable="YES"/>
+        <attribute name="daylightSavingTimeOffset" optional="YES" attributeType="Double" defaultValueString="0.0" syncable="YES"/>
+        <attribute name="hasDaylightSavingTime" optional="YES" attributeType="Boolean" syncable="YES"/>
+        <attribute name="name" optional="YES" attributeType="String" syncable="YES"/>
+        <attribute name="secondsFromGMT" optional="YES" attributeType="Integer 32" defaultValueString="0.0" syncable="YES"/>
+    </entity>
+    <configuration name="FetchingAndQueryingDemo">
+        <memberEntity name="TimeZone"/>
+    </configuration>
     <configuration name="ObservingDemo">
         <memberEntity name="Palette"/>
     </configuration>
@@ -22,5 +32,6 @@
     <elements>
         <element name="Palette" positionX="261" positionY="189" width="128" height="105"/>
         <element name="Place" positionX="261" positionY="225" width="128" height="105"/>
+        <element name="TimeZone" positionX="297" positionY="270" width="128" height="120"/>
     </elements>
 </model>
\ No newline at end of file
diff --git a/CoreStoreDemo/CoreStoreDemo/Fetching and Querying Demo/FetchingAndQueryingDemoViewController.swift b/CoreStoreDemo/CoreStoreDemo/Fetching and Querying Demo/FetchingAndQueryingDemoViewController.swift
new file mode 100644
index 0000000..6c1684b
--- /dev/null
+++ b/CoreStoreDemo/CoreStoreDemo/Fetching and Querying Demo/FetchingAndQueryingDemoViewController.swift	
@@ -0,0 +1,290 @@
+//
+//  FetchingAndQueryingDemoViewController.swift
+//  CoreStoreDemo
+//
+//  Created by John Rommel Estropia on 2015/06/12.
+//  Copyright (c) 2015 John Rommel Estropia. All rights reserved.
+//
+
+import UIKit
+import CoreStore
+
+
+private struct Static {
+    
+    static let timeZonesStack: DataStack = {
+        
+        let dataStack = DataStack()
+        dataStack.addSQLiteStoreAndWait(
+            "TimeZoneDemo.sqlite",
+            configuration: "FetchingAndQueryingDemo",
+            resetStoreOnMigrationFailure: true
+        )
+    
+        dataStack.beginSynchronous { (transaction) -> Void in
+            
+            transaction.deleteAll(From(TimeZone))
+            
+            for name in NSTimeZone.knownTimeZoneNames() as! [String] {
+                
+                let rawTimeZone = NSTimeZone(name: name)!
+                let cachedTimeZone = transaction.create(Into(TimeZone))
+                
+                cachedTimeZone.name = rawTimeZone.name
+                cachedTimeZone.abbreviation = rawTimeZone.abbreviation ?? ""
+                cachedTimeZone.secondsFromGMT = Int32(rawTimeZone.secondsFromGMT)
+                cachedTimeZone.hasDaylightSavingTime = rawTimeZone.daylightSavingTime
+                cachedTimeZone.daylightSavingTimeOffset = rawTimeZone.daylightSavingTimeOffset
+            }
+            
+            transaction.commit()
+        }
+        
+        return dataStack
+    }()
+}
+
+
+// MARK: - FetchingAndQueryingDemoViewController
+
+class FetchingAndQueryingDemoViewController: UIViewController, UITableViewDataSource, UITableViewDelegate {
+    
+    // MARK: UIViewController
+    
+    override func viewDidAppear(animated: Bool) {
+        
+        super.viewDidAppear(animated)
+        
+        if self.didAppearOnce {
+            
+            return
+        }
+        
+        self.didAppearOnce = true
+        
+        let alert = UIAlertController(
+            title: "Fetch and Query Demo",
+            message: "This demo shows how to execute fetches and queries.\n\nEach menu item executes and displays a preconfigured fetch/query.",
+            preferredStyle: .Alert
+        )
+        alert.addAction(UIAlertAction(title: "OK", style: .Cancel, handler: nil))
+        self.presentViewController(alert, animated: true, completion: nil)
+    }
+    
+    override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
+        
+        super.prepareForSegue(segue, sender: sender)
+        
+        if let indexPath = sender as? NSIndexPath {
+            
+            switch segue.destinationViewController {
+                
+            case let controller as FetchingResultsViewController:
+                let item = self.fetchingItems[indexPath.row]
+                controller.setTimeZones(item.fetch(), title: item.title)
+                
+            case let controller as QueryingResultsViewController:
+                let item = self.queryingItems[indexPath.row]
+                controller.setValue(item.query(), title: item.title)
+                
+            default:
+                break
+            }
+        }
+    }
+    
+    
+    // MARK: UITableViewDataSource
+    
+    func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+        switch self.segmentedControl?.selectedSegmentIndex {
+            
+        case .Some(Section.Fetching.rawValue):
+            return self.fetchingItems.count
+            
+        case .Some(Section.Querying.rawValue):
+            return self.queryingItems.count
+            
+        default:
+            return 0
+        }
+    }
+    
+    func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
+        
+        let cell = tableView.dequeueReusableCellWithIdentifier("UITableViewCell") as! UITableViewCell
+        
+        switch self.segmentedControl?.selectedSegmentIndex {
+            
+        case .Some(Section.Fetching.rawValue):
+            cell.textLabel?.text = self.fetchingItems[indexPath.row].title
+            
+        case .Some(Section.Querying.rawValue):
+            cell.textLabel?.text = self.queryingItems[indexPath.row].title
+            
+        default:
+            cell.textLabel?.text = nil
+        }
+        
+        return cell
+    }
+    
+    
+    // MARK: UITableViewDelegate
+    
+    func tableView(tableView: UITableView, didSelectRowAtIndexPath indexPath: NSIndexPath) {
+        
+        tableView.deselectRowAtIndexPath(indexPath, animated: true)
+        
+        switch self.segmentedControl?.selectedSegmentIndex {
+            
+        case .Some(Section.Fetching.rawValue):
+            self.performSegueWithIdentifier("FetchingResultsViewController", sender: indexPath)
+            
+        case .Some(Section.Querying.rawValue):
+            self.performSegueWithIdentifier("QueryingResultsViewController", sender: indexPath)
+            
+        default:
+            break
+        }
+    }
+    
+    
+    // MARK: Private
+    
+    private enum Section: Int {
+        
+        case Fetching
+        case Querying
+    }
+    
+    private let fetchingItems = [
+        (
+            title: "All Time Zones",
+            fetch: { () -> [TimeZone] in
+                
+                return Static.timeZonesStack.fetchAll(
+                    From(TimeZone),
+                    OrderBy(.Ascending("name"))
+                )!
+            }
+        ),
+        (
+            title: "Time Zones in Asia",
+            fetch: { () -> [TimeZone] in
+                
+                return Static.timeZonesStack.fetchAll(
+                    From(TimeZone),
+                    Where("%K BEGINSWITH[c] %@", "name", "Asia"),
+                    OrderBy(.Ascending("secondsFromGMT"))
+                )!
+            }
+        ),
+        (
+            title: "Time Zones in America and Europe",
+            fetch: { () -> [TimeZone] in
+                
+                return Static.timeZonesStack.fetchAll(
+                    From(TimeZone),
+                    Where("%K BEGINSWITH[c] %@", "name", "America")
+                        || Where("%K BEGINSWITH[c] %@", "name", "Europe"),
+                    OrderBy(.Ascending("secondsFromGMT"))
+                )!
+            }
+        ),
+        (
+            title: "All Time Zones Except America",
+            fetch: { () -> [TimeZone] in
+                
+                return Static.timeZonesStack.fetchAll(
+                    From(TimeZone),
+                    !Where("%K BEGINSWITH[c] %@", "name", "America"),
+                    OrderBy(.Ascending("secondsFromGMT"))
+                    )!
+            }
+        ),
+        (
+            title: "Time Zones with Summer Time",
+            fetch: { () -> [TimeZone] in
+                
+                return Static.timeZonesStack.fetchAll(
+                    From(TimeZone),
+                    Where("hasDaylightSavingTime", isEqualTo: true),
+                    OrderBy(.Ascending("name"))
+                )!
+            }
+        )
+    ]
+    
+    private let queryingItems = [
+        (
+            title: "Number of Time Zones",
+            query: { () -> AnyObject in
+                
+                return Static.timeZonesStack.queryValue(
+                    From(TimeZone),
+                    Select<NSNumber>(.Count("name"))
+                )!
+            }
+        ),
+        (
+            title: "Abbreviation For Tokyo's Time Zone",
+            query: { () -> AnyObject in
+                
+                return Static.timeZonesStack.queryValue(
+                    From(TimeZone),
+                    Select<String>("abbreviation"),
+                    Where("%K ENDSWITH[c] %@", "name", "Tokyo")
+                )!
+            }
+        ),
+        (
+            title: "All Abbreviations",
+            query: { () -> AnyObject in
+                
+                return Static.timeZonesStack.queryAttributes(
+                    From(TimeZone),
+                    Select<NSDictionary>("name", "abbreviation"),
+                    OrderBy(.Ascending("name"))
+                )!
+            }
+        ),
+        (
+            title: "Number of Countries per Time Zone",
+            query: { () -> AnyObject in
+                
+                return Static.timeZonesStack.queryAttributes(
+                    From(TimeZone),
+                    Select<NSDictionary>(.Count("abbreviation"), "abbreviation"),
+                    GroupBy("abbreviation"),
+                    OrderBy(.Ascending("secondsFromGMT"), .Ascending("name"))
+                )!
+            }
+        ),
+        (
+            title: "Number of Countries with Summer Time",
+            query: { () -> AnyObject in
+                
+                return Static.timeZonesStack.queryAttributes(
+                    From(TimeZone),
+                    Select<NSDictionary>(
+                        .Count("hasDaylightSavingTime", As: "numberOfCountries"),
+                        "hasDaylightSavingTime"
+                    ),
+                    GroupBy("hasDaylightSavingTime"),
+                    OrderBy(.Descending("hasDaylightSavingTime"))
+                )!
+            }
+        )
+    ]
+    
+    var didAppearOnce = false
+    
+    @IBOutlet dynamic weak var segmentedControl: UISegmentedControl?
+    @IBOutlet dynamic weak var tableView: UITableView?
+    
+    @IBAction dynamic func segmentedControlValueChanged(sender: AnyObject?) {
+        
+        self.tableView?.reloadData()
+    }
+}
diff --git a/CoreStoreDemo/CoreStoreDemo/Fetching and Querying Demo/FetchingResultsViewController.swift b/CoreStoreDemo/CoreStoreDemo/Fetching and Querying Demo/FetchingResultsViewController.swift
new file mode 100644
index 0000000..7c96a90
--- /dev/null
+++ b/CoreStoreDemo/CoreStoreDemo/Fetching and Querying Demo/FetchingResultsViewController.swift	
@@ -0,0 +1,68 @@
+//
+//  FetchingResultsViewController.swift
+//  CoreStoreDemo
+//
+//  Created by John Rommel Estropia on 2015/06/17.
+//  Copyright (c) 2015 John Rommel Estropia. All rights reserved.
+//
+
+import UIKit
+
+// MARK: - FetchingResultsViewController
+
+class FetchingResultsViewController: UITableViewController {
+
+    // MARK: Public
+    
+    func setTimeZones(timeZones: [TimeZone]?, title: String) {
+        
+        self.timeZones += timeZones ?? []
+        self.sectionTitle = title
+        
+        self.tableView?.reloadData()
+    }
+    
+    
+    // MARK: UIViewController
+    
+    override func viewDidLoad() {
+        
+        super.viewDidLoad()
+        
+        self.tableView.estimatedRowHeight = 60
+        self.tableView.rowHeight = UITableViewAutomaticDimension
+    }
+    
+    
+    // MARK: UITableViewDataSource
+    
+    override func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+        
+        return self.timeZones.count
+    }
+    
+    override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
+        
+        let cell = tableView.dequeueReusableCellWithIdentifier("UITableViewCell", forIndexPath: indexPath) as! UITableViewCell
+        
+        let timeZone = self.timeZones[indexPath.row]
+        cell.textLabel?.text = timeZone.name
+        cell.detailTextLabel?.text = timeZone.abbreviation
+        
+        return cell
+    }
+    
+    
+    // MARK: UITableViewDelegate
+    
+    override func tableView(tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
+        
+        return self.sectionTitle
+    }
+    
+    
+    // MARK: Private
+    
+    var timeZones = [TimeZone]()
+    var sectionTitle: String?
+}
diff --git a/CoreStoreDemo/CoreStoreDemo/Fetching and Querying Demo/QueryingResultsViewController.swift b/CoreStoreDemo/CoreStoreDemo/Fetching and Querying Demo/QueryingResultsViewController.swift
new file mode 100644
index 0000000..fcd8227
--- /dev/null
+++ b/CoreStoreDemo/CoreStoreDemo/Fetching and Querying Demo/QueryingResultsViewController.swift	
@@ -0,0 +1,88 @@
+//
+//  QueryingResultsViewController.swift
+//  CoreStoreDemo
+//
+//  Created by John Rommel Estropia on 2015/06/17.
+//  Copyright (c) 2015 John Rommel Estropia. All rights reserved.
+//
+
+import UIKit
+
+class QueryingResultsViewController: UITableViewController {
+    
+    // MARK: Public
+    
+    func setValue(value: AnyObject?, title: String) {
+        
+        switch value {
+            
+        case .Some(let array as [AnyObject]):
+            self.values = array.map { (item: AnyObject) -> (title: String, detail: String) in
+                (
+                    title: item.description,
+                    detail: _stdlib_getDemangledTypeName(item)
+                )
+            }
+            
+        case .Some(let item):
+            self.values = [
+                (
+                    title: item.description,
+                    detail: _stdlib_getDemangledTypeName(item)
+                )
+            ]
+            
+        default:
+            self.values = []
+        }
+        
+        self.sectionTitle = title
+        
+        self.tableView?.reloadData()
+    }
+    
+    
+    // MARK: UIViewController
+    
+    override func viewDidLoad() {
+        
+        super.viewDidLoad()
+        
+        self.tableView.estimatedRowHeight = 60
+        self.tableView.rowHeight = UITableViewAutomaticDimension
+    }
+    
+    
+    // MARK: UITableViewDataSource
+    
+    override func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+        
+        return self.values.count
+    }
+    
+    override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
+        
+        let cell = tableView.dequeueReusableCellWithIdentifier("UITableViewCell", forIndexPath: indexPath) as! UITableViewCell
+        
+        let value = self.values[indexPath.row]
+        
+        cell.textLabel?.text = value.title
+        cell.detailTextLabel?.text = value.detail
+        
+        return cell
+    }
+    
+    
+    // MARK: UITableViewDelegate
+    
+    override func tableView(tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
+        
+        return self.sectionTitle
+    }
+    
+    
+    // MARK: Private
+    
+    var values: [(title: String, detail: String)] = []
+    var sectionTitle: String?
+}
diff --git a/CoreStoreDemo/CoreStoreDemo/Fetching and Querying Demo/TimeZone.swift b/CoreStoreDemo/CoreStoreDemo/Fetching and Querying Demo/TimeZone.swift
new file mode 100644
index 0000000..2aab42c
--- /dev/null
+++ b/CoreStoreDemo/CoreStoreDemo/Fetching and Querying Demo/TimeZone.swift	
@@ -0,0 +1,20 @@
+//
+//  TimeZone.swift
+//  CoreStoreDemo
+//
+//  Created by John Rommel Estropia on 2015/06/15.
+//  Copyright (c) 2015 John Rommel Estropia. All rights reserved.
+//
+
+import Foundation
+import CoreData
+
+class TimeZone: NSManagedObject {
+
+    @NSManaged var secondsFromGMT: Int32
+    @NSManaged var abbreviation: String
+    @NSManaged var hasDaylightSavingTime: Bool
+    @NSManaged var daylightSavingTimeOffset: Double
+    @NSManaged var name: String
+
+}
diff --git a/CoreStoreDemo/CoreStoreDemo/List and Object Observers Demo/ObserversViewController.swift b/CoreStoreDemo/CoreStoreDemo/List and Object Observers Demo/ObserversViewController.swift
index 71d01a5..aea2891 100644
--- a/CoreStoreDemo/CoreStoreDemo/List and Object Observers Demo/ObserversViewController.swift	
+++ b/CoreStoreDemo/CoreStoreDemo/List and Object Observers Demo/ObserversViewController.swift	
@@ -21,7 +21,7 @@ class ObserversViewController: UIViewController {
         
         let alert = UIAlertController(
             title: "Observers Demo",
-            message: "This demo shows how to observe changes to a list of objects. The top and bottom view controllers both observe a single shared \"ManagedObjectListController\" instance.\n\nTap on a row to see another demo that shows how to observe changes to a single object using a \"ManagedObjectController\".",
+            message: "This demo shows how to observe changes to a list of objects. The top and bottom view controllers both observe a single shared \"ManagedObjectListController\" instance.\n\nTap on a row to see how to observe changes made to a single object using a \"ManagedObjectController\".",
             preferredStyle: .Alert
         )
         alert.addAction(UIAlertAction(title: "OK", style: .Cancel, handler: nil))
diff --git a/CoreStoreDemo/CoreStoreDemo/Transactions Demo/TransactionsDemoViewController.swift b/CoreStoreDemo/CoreStoreDemo/Transactions Demo/TransactionsDemoViewController.swift
index b7143f8..d01ce40 100644
--- a/CoreStoreDemo/CoreStoreDemo/Transactions Demo/TransactionsDemoViewController.swift	
+++ b/CoreStoreDemo/CoreStoreDemo/Transactions Demo/TransactionsDemoViewController.swift	
@@ -77,8 +77,8 @@ class TransactionsDemoViewController: UIViewController, MKMapViewDelegate, Manag
         super.viewDidAppear(animated)
         
         let alert = UIAlertController(
-            title: "Observers Demo",
-            message: "This demo shows how to use the 3 types of transactions to save updates: synchronous, asynchronous, and detached. Long-tap on the map to change the pin location.",
+            title: "Transactions Demo",
+            message: "This demo shows how to use the 3 types of transactions to save updates: synchronous, asynchronous, and detached.\n\nTap and hold on the map to change the pin location.",
             preferredStyle: .Alert
         )
         alert.addAction(UIAlertAction(title: "OK", style: .Cancel, handler: nil))