diff --git a/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/dao/impl/application/GenericApplicationDAOImpl.java b/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/dao/impl/application/GenericApplicationDAOImpl.java
index 330bd1ccc6..f860273228 100644
--- a/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/dao/impl/application/GenericApplicationDAOImpl.java
+++ b/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/dao/impl/application/GenericApplicationDAOImpl.java
@@ -562,13 +562,13 @@ public class GenericApplicationDAOImpl extends AbstractDAOImpl implements Applic
     @Override
     public boolean updateApplication(ApplicationDTO applicationDTO, int tenantId)
             throws ApplicationManagementDAOException {
-        String sql = "UPDATE AP_APP AP " +
+        String sql = "UPDATE AP_APP " +
                 "SET " +
-                "AP.NAME = ?,  " +
-                "AP.DESCRIPTION = ?, " +
-                "AP.SUB_TYPE = ?, " +
-                "AP.CURRENCY = ? " +
-                "WHERE AP.ID = ? AND AP.TENANT_ID = ?";
+                "NAME = ?,  " +
+                "DESCRIPTION = ?, " +
+                "SUB_TYPE = ?, " +
+                "CURRENCY = ? " +
+                "WHERE ID = ? AND TENANT_ID = ?";
         try {
             Connection conn = this.getDBConnection();
             try (PreparedStatement stmt = conn.prepareStatement(sql)) {
@@ -594,12 +594,12 @@ public class GenericApplicationDAOImpl extends AbstractDAOImpl implements Applic
     @Override
     public void updateApplicationRating(String uuid, double rating, int tenantId)
             throws ApplicationManagementDAOException {
-        String sql = "UPDATE AP_APP AP " +
+        String sql = "UPDATE AP_APP " +
                 "SET " +
-                "AP.RATING = ? " +
+                "RATING = ? " +
                 "WHERE " +
-                "AP.ID = (SELECT AP_APP_ID FROM AP_APP_RELEASE WHERE UUID = ?) AND " +
-                "AP.TENANT_ID = ?";
+                "ID = (SELECT AP_APP_ID FROM AP_APP_RELEASE WHERE UUID = ?) AND " +
+                "TENANT_ID = ?";
         try {
             Connection conn = this.getDBConnection();
             try (PreparedStatement stmt = conn.prepareStatement(sql)) {
@@ -1013,11 +1013,11 @@ public class GenericApplicationDAOImpl extends AbstractDAOImpl implements Applic
             log.debug("Request received in DAO Layer to update a category.");
         }
         String sql = "UPDATE " +
-                "AP_APP_CATEGORY cat " +
-                "SET cat.CATEGORY = ? " +
+                "AP_APP_CATEGORY " +
+                "SET CATEGORY = ? " +
                 "WHERE " +
-                "cat.ID = ? AND " +
-                "cat.TENANT_ID = ?";
+                "ID = ? AND " +
+                "TENANT_ID = ?";
         try {
             Connection conn = this.getDBConnection();
             try (PreparedStatement stmt = conn.prepareStatement(sql)) {
@@ -1444,11 +1444,11 @@ public class GenericApplicationDAOImpl extends AbstractDAOImpl implements Applic
             log.debug("Request received in DAO Layer to update a Tag.");
         }
         String sql = "UPDATE " +
-                "AP_APP_TAG tag " +
-                "SET tag.TAG = ? " +
+                "AP_APP_TAG " +
+                "SET TAG = ? " +
                 "WHERE " +
-                "tag.ID = ? AND " +
-                "tag.TENANT_ID = ?";
+                "ID = ? AND " +
+                "TENANT_ID = ?";
         try {
             Connection conn = this.getDBConnection();
             try (PreparedStatement stmt = conn.prepareStatement(sql)) {
diff --git a/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/dao/impl/subscription/GenericSubscriptionDAOImpl.java b/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/dao/impl/subscription/GenericSubscriptionDAOImpl.java
index ace7d41f75..444445a288 100644
--- a/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/dao/impl/subscription/GenericSubscriptionDAOImpl.java
+++ b/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/dao/impl/subscription/GenericSubscriptionDAOImpl.java
@@ -107,13 +107,15 @@ public class GenericSubscriptionDAOImpl extends AbstractDAOImpl implements Subsc
     public void updateDeviceSubscription(String updateBy, List<Integer> deviceIds,
             String action, String actionTriggeredFrom, String installStatus, int releaseId, int tenantId)
             throws ApplicationManagementDAOException {
+        boolean unsubscribed = false;
         try {
             String sql = "UPDATE AP_DEVICE_SUBSCRIPTION SET ";
 
             if (SubAction.UNINSTALL.toString().equalsIgnoreCase(action)) {
-                sql += "UNSUBSCRIBED = true, UNSUBSCRIBED_BY = ?, UNSUBSCRIBED_TIMESTAMP = ?, ";
+                sql += "UNSUBSCRIBED = ?, UNSUBSCRIBED_BY = ?, UNSUBSCRIBED_TIMESTAMP = ?, ";
+                unsubscribed = true;
             } else if (SubAction.INSTALL.toString().equalsIgnoreCase(action)) {
-                sql += "UNSUBSCRIBED = false, SUBSCRIBED_BY = ?, SUBSCRIBED_TIMESTAMP = ?, ";
+                sql += "UNSUBSCRIBED = ?, SUBSCRIBED_BY = ?, SUBSCRIBED_TIMESTAMP = ?, ";
             } else {
                 String msg = "Found invalid action " + action + ". Hence can't construct the query.";
                 log.error(msg);
@@ -131,13 +133,14 @@ public class GenericSubscriptionDAOImpl extends AbstractDAOImpl implements Subsc
                 Calendar calendar = Calendar.getInstance();
                 Timestamp timestamp = new Timestamp(calendar.getTime().getTime());
                 for (Integer deviceId : deviceIds) {
-                    stmt.setString(1, updateBy);
-                    stmt.setTimestamp(2, timestamp);
-                    stmt.setString(3, actionTriggeredFrom);
-                    stmt.setString(4, installStatus);
-                    stmt.setInt(5, deviceId);
-                    stmt.setInt(6, releaseId);
-                    stmt.setInt(7, tenantId);
+                    stmt.setBoolean(1, unsubscribed);
+                    stmt.setString(2, updateBy);
+                    stmt.setTimestamp(3, timestamp);
+                    stmt.setString(4, actionTriggeredFrom);
+                    stmt.setString(5, installStatus);
+                    stmt.setInt(6, deviceId);
+                    stmt.setInt(7, releaseId);
+                    stmt.setInt(8, tenantId);
                     stmt.addBatch();
                 }
                 stmt.executeBatch();
@@ -433,7 +436,7 @@ public class GenericSubscriptionDAOImpl extends AbstractDAOImpl implements Subsc
             int index = 1;
             List<String> subscribedUsers = new ArrayList<>();
             StringJoiner joiner = new StringJoiner(",",
-                    "SELECT US.USER_NAME AS USER "
+                    "SELECT US.USER_NAME AS USER_NAME "
                             + "FROM AP_USER_SUBSCRIPTION US "
                             + "WHERE US.USER_NAME IN (", ") AND TENANT_ID = ?");
             users.stream().map(ignored -> "?").forEach(joiner::add);
@@ -445,7 +448,7 @@ public class GenericSubscriptionDAOImpl extends AbstractDAOImpl implements Subsc
                 ps.setInt(index, tenantId);
                 try (ResultSet rs = ps.executeQuery()) {
                     while (rs.next()) {
-                        subscribedUsers.add(rs.getString("USER"));
+                        subscribedUsers.add(rs.getString("USER_NAME"));
                     }
                 }
             }
@@ -513,7 +516,7 @@ public class GenericSubscriptionDAOImpl extends AbstractDAOImpl implements Subsc
             int index = 1;
             List<String> subscribedUsers = new ArrayList<>();
             StringJoiner joiner = new StringJoiner(",",
-                    "SELECT GS.GROUP_NAME AS GROUP "
+                    "SELECT GS.GROUP_NAME AS GROUP_NAME "
                             + "FROM AP_GROUP_SUBSCRIPTION GS "
                             + "WHERE GS.GROUP_NAME IN (", ") AND TENANT_ID = ?");
             groups.stream().map(ignored -> "?").forEach(joiner::add);
@@ -525,7 +528,7 @@ public class GenericSubscriptionDAOImpl extends AbstractDAOImpl implements Subsc
                 ps.setInt(index, tenantId);
                 try (ResultSet rs = ps.executeQuery()) {
                     while (rs.next()) {
-                        subscribedUsers.add(rs.getString("GROUP"));
+                        subscribedUsers.add(rs.getString("GROUP_NAME"));
                     }
                 }
             }
@@ -554,7 +557,7 @@ public class GenericSubscriptionDAOImpl extends AbstractDAOImpl implements Subsc
             int index = 1;
             List<Integer> subscribedDevices = new ArrayList<>();
             StringJoiner joiner = new StringJoiner(",",
-                    "SELECT DS.ID "
+                    "SELECT DS.ID AS DEVICE_SUBSCRIPTION_ID "
                             + "FROM AP_DEVICE_SUBSCRIPTION DS "
                             + "WHERE DS.DM_DEVICE_ID IN (", ") AND AP_APP_RELEASE_ID = ? AND TENANT_ID = ?");
             deviceIds.stream().map(ignored -> "?").forEach(joiner::add);
@@ -567,7 +570,7 @@ public class GenericSubscriptionDAOImpl extends AbstractDAOImpl implements Subsc
                 ps.setInt(index, tenantId);
                 try (ResultSet rs = ps.executeQuery()) {
                     while (rs.next()) {
-                        subscribedDevices.add(rs.getInt("DM_DEVICE_ID"));
+                        subscribedDevices.add(rs.getInt("DEVICE_SUBSCRIPTION_ID"));
                     }
                 }
             }
@@ -589,6 +592,7 @@ public class GenericSubscriptionDAOImpl extends AbstractDAOImpl implements Subsc
             String subType, String action) throws ApplicationManagementDAOException {
         try {
             Connection conn = this.getDBConnection();
+            boolean isUnsubscribed = false;
             String sql = "UPDATE ";
             if (SubscriptionType.USER.toString().equalsIgnoreCase(subType)) {
                 sql += "AP_USER_SUBSCRIPTION SET ";
@@ -599,9 +603,10 @@ public class GenericSubscriptionDAOImpl extends AbstractDAOImpl implements Subsc
             }
 
             if (SubAction.UNINSTALL.toString().equalsIgnoreCase(action)) {
-                sql += "UNSUBSCRIBED = true, UNSUBSCRIBED_BY = ?, UNSUBSCRIBED_TIMESTAMP = ? ";
+                sql += "UNSUBSCRIBED = ?, UNSUBSCRIBED_BY = ?, UNSUBSCRIBED_TIMESTAMP = ? ";
+                isUnsubscribed = true;
             } else {
-                sql += "UNSUBSCRIBED = false, SUBSCRIBED_BY = ?, SUBSCRIBED_TIMESTAMP = ? ";
+                sql += "UNSUBSCRIBED = ?, SUBSCRIBED_BY = ?, SUBSCRIBED_TIMESTAMP = ? ";
             }
 
             if (SubscriptionType.USER.toString().equalsIgnoreCase(subType)) {
@@ -618,11 +623,12 @@ public class GenericSubscriptionDAOImpl extends AbstractDAOImpl implements Subsc
                 Calendar calendar = Calendar.getInstance();
                 Timestamp timestamp = new Timestamp(calendar.getTime().getTime());
                 for (String username : paramList) {
-                    stmt.setString(1, updateBy);
-                    stmt.setTimestamp(2, timestamp);
-                    stmt.setString(3, username);
-                    stmt.setInt(4, releaseId);
-                    stmt.setInt(5, tenantId);
+                    stmt.setBoolean(1, isUnsubscribed);
+                    stmt.setString(2, updateBy);
+                    stmt.setTimestamp(3, timestamp);
+                    stmt.setString(4, username);
+                    stmt.setInt(5, releaseId);
+                    stmt.setInt(6, tenantId);
                     stmt.addBatch();
                 }
                 stmt.executeBatch();
@@ -752,12 +758,12 @@ public class GenericSubscriptionDAOImpl extends AbstractDAOImpl implements Subsc
     @Override
     public boolean updateScheduledSubscription(int id, LocalDateTime scheduledAt, String scheduledBy)
             throws ApplicationManagementDAOException {
-        String sql = "UPDATE AP_SCHEDULED_SUBSCRIPTION AP "
+        String sql = "UPDATE AP_SCHEDULED_SUBSCRIPTION "
                      + "SET "
-                     + "AP.SCHEDULED_AT = ?, "
-                     + "AP.SCHEDULED_BY = ?, "
-                     + "AP.SCHEDULED_TIMESTAMP = ? "
-                     + "WHERE AP.ID = ?";
+                     + "SCHEDULED_AT = ?, "
+                     + "SCHEDULED_BY = ?, "
+                     + "SCHEDULED_TIMESTAMP = ? "
+                     + "WHERE ID = ?";
         try {
             Connection conn = this.getDBConnection();
             try (PreparedStatement stmt = conn.prepareStatement(sql)) {
@@ -783,9 +789,9 @@ public class GenericSubscriptionDAOImpl extends AbstractDAOImpl implements Subsc
 
     @Override
     public boolean deleteScheduledSubscription(List<Integer> subscriptionIdList) throws ApplicationManagementDAOException {
-        String sql = "UPDATE AP_SCHEDULED_SUBSCRIPTION AP "
-                     + "SET AP.DELETED = ? "
-                     + "WHERE AP.ID = ?";
+        String sql = "UPDATE AP_SCHEDULED_SUBSCRIPTION "
+                     + "SET DELETED = ? "
+                     + "WHERE ID = ?";
         try {
             Connection conn = this.getDBConnection();
             try (PreparedStatement stmt = conn.prepareStatement(sql)) {
@@ -813,9 +819,9 @@ public class GenericSubscriptionDAOImpl extends AbstractDAOImpl implements Subsc
     @Override
     public boolean updateScheduledSubscriptionStatus(int id, ExecutionStatus status)
             throws ApplicationManagementDAOException {
-        String sql = "UPDATE AP_SCHEDULED_SUBSCRIPTION AP "
-                     + "SET AP.STATUS = ? "
-                     + "WHERE AP.ID = ?";
+        String sql = "UPDATE AP_SCHEDULED_SUBSCRIPTION "
+                     + "SET STATUS = ? "
+                     + "WHERE ID = ?";
         try {
             Connection conn = this.getDBConnection();
             try (PreparedStatement stmt = conn.prepareStatement(sql)) {
@@ -847,7 +853,7 @@ public class GenericSubscriptionDAOImpl extends AbstractDAOImpl implements Subsc
             Connection conn = this.getDBConnection();
             List<String> subscribedUsers = new ArrayList<>();
             String sql = "SELECT "
-                         + "US.USER_NAME AS USER "
+                         + "US.USER_NAME AS USER_NAME "
                          + "FROM AP_USER_SUBSCRIPTION US "
                          + "WHERE "
                          + "AP_APP_RELEASE_ID = ? AND TENANT_ID = ? LIMIT ? OFFSET ?";
@@ -858,7 +864,7 @@ public class GenericSubscriptionDAOImpl extends AbstractDAOImpl implements Subsc
                 stmt.setInt(4, offsetValue);
                 try (ResultSet rs = stmt.executeQuery()) {
                     while (rs.next()) {
-                        subscribedUsers.add(rs.getString("USER"));
+                        subscribedUsers.add(rs.getString("USER_NAME"));
                     }
                 }
                 return subscribedUsers;
diff --git a/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/dao/impl/subscription/SQLServerSubscriptionDAOImpl.java b/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/dao/impl/subscription/SQLServerSubscriptionDAOImpl.java
index 63e830cdfe..2c725dde07 100644
--- a/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/dao/impl/subscription/SQLServerSubscriptionDAOImpl.java
+++ b/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/dao/impl/subscription/SQLServerSubscriptionDAOImpl.java
@@ -51,7 +51,7 @@ public class SQLServerSubscriptionDAOImpl extends GenericSubscriptionDAOImpl {
             Connection conn = this.getDBConnection();
             List<String> subscribedUsers = new ArrayList<>();
             String sql = "SELECT "
-                    + "US.USER_NAME AS USER "
+                    + "US.USER_NAME AS USER_NAME "
                     + "FROM AP_USER_SUBSCRIPTION US "
                     + "WHERE "
                     + "AP_APP_RELEASE_ID = ? AND TENANT_ID = ? ORDER BY US.ID OFFSET ? ROWS FETCH NEXT ? ROWS ONLY";
@@ -62,7 +62,7 @@ public class SQLServerSubscriptionDAOImpl extends GenericSubscriptionDAOImpl {
                 stmt.setInt(4, limitValue);
                 try (ResultSet rs = stmt.executeQuery()) {
                     while (rs.next()) {
-                        subscribedUsers.add(rs.getString("USER"));
+                        subscribedUsers.add(rs.getString("USER_NAME"));
                     }
                 }
                 return subscribedUsers;
diff --git a/components/application-mgt/org.wso2.carbon.device.application.mgt.store.ui/react-app/src/components/apps/release/ReleaseView.js b/components/application-mgt/org.wso2.carbon.device.application.mgt.store.ui/react-app/src/components/apps/release/ReleaseView.js
index 63bb008e8c..6994f16e47 100644
--- a/components/application-mgt/org.wso2.carbon.device.application.mgt.store.ui/react-app/src/components/apps/release/ReleaseView.js
+++ b/components/application-mgt/org.wso2.carbon.device.application.mgt.store.ui/react-app/src/components/apps/release/ReleaseView.js
@@ -17,7 +17,7 @@
  */
 
 import React from "react";
-import {Divider, Row, Col, Typography, Button, Dropdown, notification, Menu, Icon} from "antd";
+import {Divider, Row, Col, Typography, Button, Dropdown, notification, Menu, Icon, Spin} from "antd";
 import "../../../App.css";
 import ImgViewer from "../../apps/release/images/ImgViewer";
 import StarRatings from "react-star-ratings";
@@ -126,17 +126,18 @@ class ReleaseView extends React.Component {
             </Menu>
         );
 
-
         return (
             <div>
                 <AppInstallModal
                     uuid={release.uuid}
+                    loading={this.state.loading}
                     visible={this.state.appInstallModalVisible}
                     deviceType={deviceType}
                     onClose={this.closeAppOperationModal}
                     onInstall={this.appOperation}/>
                 <AppUninstallModal
                     uuid={release.uuid}
+                    loading={this.state.loading}
                     visible={this.state.appUninstallModalVisible}
                     deviceType={deviceType}
                     onClose={this.closeAppOperationModal}
diff --git a/components/application-mgt/org.wso2.carbon.device.application.mgt.store.ui/react-app/src/components/apps/release/install/AppInstallModal.js b/components/application-mgt/org.wso2.carbon.device.application.mgt.store.ui/react-app/src/components/apps/release/install/AppInstallModal.js
index 1b4d9c8c2e..bd6ae3bd4b 100644
--- a/components/application-mgt/org.wso2.carbon.device.application.mgt.store.ui/react-app/src/components/apps/release/install/AppInstallModal.js
+++ b/components/application-mgt/org.wso2.carbon.device.application.mgt.store.ui/react-app/src/components/apps/release/install/AppInstallModal.js
@@ -17,18 +17,19 @@
  */
 
 import React from "react";
-import {Modal, Tabs} from "antd";
+import {Modal, Spin, Tabs} from "antd";
 import UserInstall from "./UserInstall";
 import GroupInstall from "./GroupInstall";
 import RoleInstall from "./RoleInstall";
 import DeviceInstall from "./DeviceInstall";
 
-const { TabPane } = Tabs;
+const {TabPane} = Tabs;
 
-class AppInstallModal extends React.Component{
-    state={
-        data:[]
+class AppInstallModal extends React.Component {
+    state = {
+        data: []
     };
+
     render() {
         const {deviceType} = this.props;
         return (
@@ -37,22 +38,23 @@ class AppInstallModal extends React.Component{
                     title="Install App"
                     visible={this.props.visible}
                     onCancel={this.props.onClose}
-                    footer={null}
-                >
-                    <Tabs defaultActiveKey="device">
-                        <TabPane tab="Device" key="device">
-                            <DeviceInstall deviceType={deviceType} onInstall={this.props.onInstall}/>
-                        </TabPane>
-                        <TabPane tab="User" key="user">
-                            <UserInstall onInstall={this.props.onInstall}/>
-                        </TabPane>
-                        <TabPane tab="Role" key="role">
-                            <RoleInstall onInstall={this.props.onInstall}/>
-                        </TabPane>
-                        <TabPane tab="Group" key="group">
-                            <GroupInstall onInstall={this.props.onInstall}/>
-                        </TabPane>
-                    </Tabs>
+                    footer={null}>
+                    <Spin spinning={this.props.loading}>
+                        <Tabs defaultActiveKey="device">
+                            <TabPane tab="Device" key="device">
+                                <DeviceInstall deviceType={deviceType} onInstall={this.props.onInstall}/>
+                            </TabPane>
+                            <TabPane tab="User" key="user">
+                                <UserInstall onInstall={this.props.onInstall}/>
+                            </TabPane>
+                            <TabPane tab="Role" key="role">
+                                <RoleInstall onInstall={this.props.onInstall}/>
+                            </TabPane>
+                            <TabPane tab="Group" key="group">
+                                <GroupInstall onInstall={this.props.onInstall}/>
+                            </TabPane>
+                        </Tabs>
+                    </Spin>
                 </Modal>
             </div>
         );
diff --git a/components/application-mgt/org.wso2.carbon.device.application.mgt.store.ui/react-app/src/components/apps/release/install/AppUninstallModal.js b/components/application-mgt/org.wso2.carbon.device.application.mgt.store.ui/react-app/src/components/apps/release/install/AppUninstallModal.js
index 14a729466a..6c1f0ce1f1 100644
--- a/components/application-mgt/org.wso2.carbon.device.application.mgt.store.ui/react-app/src/components/apps/release/install/AppUninstallModal.js
+++ b/components/application-mgt/org.wso2.carbon.device.application.mgt.store.ui/react-app/src/components/apps/release/install/AppUninstallModal.js
@@ -16,31 +16,33 @@
  * under the License.
  */
 import React from "react";
-import {Modal, Tabs} from "antd";
+import {Modal, Spin, Tabs} from "antd";
 import DeviceUninstall from "./DeviceUninstall";
 import UserUninstall from "./UserUninstall";
 import RoleUninstall from "./RoleUninstall";
 import GroupUninstall from "./GroupUninstall";
 
-const { TabPane } = Tabs;
+const {TabPane} = Tabs;
 
-class AppUninstallModal extends React.Component{
-    state={
-        data:[]
+class AppUninstallModal extends React.Component {
+    state = {
+        data: []
     };
+
     render() {
         const {deviceType} = this.props;
         return (
-                <div>
-                    <Modal
-                            title="Uninstall App"
-                            visible={this.props.visible}
-                            onCancel={this.props.onClose}
-                            footer={null}
-                    >
+            <div>
+                <Modal
+                    title="Uninstall App"
+                    visible={this.props.visible}
+                    onCancel={this.props.onClose}
+                    footer={null}>
+                    <Spin spinning={this.props.loading}>
                         <Tabs defaultActiveKey="device">
                             <TabPane tab="Device" key="device">
-                                <DeviceUninstall deviceType={deviceType} onUninstall={this.props.onUninstall} uuid={this.props.uuid}/>
+                                <DeviceUninstall deviceType={deviceType} onUninstall={this.props.onUninstall}
+                                                 uuid={this.props.uuid}/>
                             </TabPane>
                             <TabPane tab="User" key="user">
                                 <UserUninstall onUninstall={this.props.onUninstall} uuid={this.props.uuid}/>
@@ -52,8 +54,9 @@ class AppUninstallModal extends React.Component{
                                 <GroupUninstall onUninstall={this.props.onUninstall} uuid={this.props.uuid}/>
                             </TabPane>
                         </Tabs>
-                    </Modal>
-                </div>
+                    </Spin>
+                </Modal>
+            </div>
         );
     }
 }
diff --git a/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/dao/impl/AbstractDeviceDAOImpl.java b/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/dao/impl/AbstractDeviceDAOImpl.java
index 0fe6a8215f..30bd1d13c7 100644
--- a/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/dao/impl/AbstractDeviceDAOImpl.java
+++ b/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/dao/impl/AbstractDeviceDAOImpl.java
@@ -787,8 +787,8 @@ public abstract class AbstractDeviceDAOImpl implements DeviceDAO {
                     " e1.DATE_OF_ENROLMENT, d.DESCRIPTION, d.NAME AS DEVICE_NAME, d.DEVICE_IDENTIFICATION, t.NAME " +
                     "AS DEVICE_TYPE FROM DM_DEVICE d, (SELECT e.OWNER, e.OWNERSHIP, e.ID AS ENROLMENT_ID, " +
                     "e.DEVICE_ID, e.STATUS, e.DATE_OF_LAST_UPDATE, e.DATE_OF_ENROLMENT FROM DM_ENROLMENT e WHERE " +
-                    "e.TENANT_ID = ? AND LOWER(e.OWNER) = LOWER(?) ORDER BY e.DATE_OF_LAST_UPDATE DESC) e1, DM_DEVICE_TYPE t WHERE d.ID = e1.DEVICE_ID " +
-                    "AND t.ID = d.DEVICE_TYPE_ID";
+                    "e.TENANT_ID = ? AND LOWER(e.OWNER) = LOWER(?)) e1, DM_DEVICE_TYPE t WHERE d.ID = e1.DEVICE_ID " +
+                    "AND t.ID = d.DEVICE_TYPE_ID ORDER BY e1.DATE_OF_LAST_UPDATE DESC";
             stmt = conn.prepareStatement(sql);
             stmt.setInt(1, tenantId);
             stmt.setString(2, username);
diff --git a/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/dao/impl/device/SQLServerDeviceDAOImpl.java b/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/dao/impl/device/SQLServerDeviceDAOImpl.java
index 853713b0ff..1ee4657210 100644
--- a/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/dao/impl/device/SQLServerDeviceDAOImpl.java
+++ b/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/dao/impl/device/SQLServerDeviceDAOImpl.java
@@ -553,7 +553,7 @@ public class SQLServerDeviceDAOImpl extends AbstractDeviceDAOImpl {
                 isStatusProvided = true;
             }
 
-            query = query + " LIMIT ?,?";
+            query = query + " ORDER BY f.ID OFFSET ? ROWS FETCH NEXT ? ROWS ONLY";
 
             try (PreparedStatement ps = conn.prepareStatement(query)) {
 
diff --git a/components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/units/cdmf.unit.policy.view/public/js/view.js b/components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/units/cdmf.unit.policy.view/public/js/view.js
index 5e3b17092d..a7fd6e461a 100644
--- a/components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/units/cdmf.unit.policy.view/public/js/view.js
+++ b/components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/units/cdmf.unit.policy.view/public/js/view.js
@@ -73,7 +73,17 @@ var displayPolicy = function (policyPayloadObj) {
             policyPayloadObj.correctiveActions && policyPayloadObj.correctiveActions.length > 0) {
         policyPayloadObj.correctiveActions.forEach(function (correctiveAction) {
             if ("POLICY" === correctiveAction.actionType) {
-               $("#corrective-action-type-policy-id").html(correctiveAction.policyId);
+                $("#corrective-action-type-policy-id").html(correctiveAction.policyId);
+                var correctivePolicies = $("#logged-in-user").data("corrective-policies");
+                if (correctivePolicies) {
+                    var i;
+                    for (i = 0; i < correctivePolicies.length; i++) {
+                        if (correctiveAction.policyId === correctivePolicies[i].id) {
+                            $("#corrective-action-policy-id-missing-msg").addClass("hidden");
+                            break;
+                        }
+                    }
+                }
                return true;
             }
         });
diff --git a/components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/units/cdmf.unit.policy.view/view.hbs b/components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/units/cdmf.unit.policy.view/view.hbs
index 8ac41acee8..c65faea981 100644
--- a/components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/units/cdmf.unit.policy.view/view.hbs
+++ b/components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/units/cdmf.unit.policy.view/view.hbs
@@ -1,7 +1,8 @@
 {{#zone "content"}}
     {{#if isAuthorized}}
         <span id="logged-in-user" class="hidden" data-username="{{@user.username}}" data-domain="{{@user.domain}}"
-              data-tenant-id="{{@user.tenantId}}" data-iscloud="{{isCloud}}"></span>
+              data-tenant-id="{{@user.tenantId}}" data-iscloud="{{isCloud}}"
+                data-corrective-policies="{{correctivePolicies}}"></span>
         {{#defineZone "policy-profile-top"}}
             <div class="row wr-device-board">
                 <div class="col-lg-12 wr-secondary-bar">
@@ -67,6 +68,16 @@
                                             <td class="sorting_1" style="padding:10px 15px; width: 14%;">Policy ID</td>
                                             <td id="corrective-action-type-policy-id" style="padding:10px 15px;"></td>
                                         </tr>
+                                        <tr id="corrective-action-policy-id-missing-msg">
+                                            <td class="alert alert-danger" colspan="4" style="padding:10px 15px;">
+                                                <strong>
+                                                    <i class="icon fw fw-error"></i>
+                                                    Corrective policy having the above Policy ID has been updated to
+                                                    a GENERAL policy or it has been deleted. Hence this policy will
+                                                    not be applied till modified correctly.
+                                                </strong>
+                                            </td>
+                                        </tr>
                                     </tbody>
                                 </table>
                             </div>
diff --git a/components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/units/cdmf.unit.policy.view/view.js b/components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/units/cdmf.unit.policy.view/view.js
index 8dcefb24bc..417910dc78 100644
--- a/components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/units/cdmf.unit.policy.view/view.js
+++ b/components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/units/cdmf.unit.policy.view/view.js
@@ -18,6 +18,8 @@
 
 function onRequest(context) {
     var utility = require("/app/modules/utility.js").utility;
+    var policyModule = require("/app/modules/business-controllers/policy.js")["policyModule"];
+
     var page = {};
     var deviceType = request.getParameter("deviceType");
     var policyViewSrc = "/app/units/" + utility.getTenantedDeviceUnitName(deviceType, "policy-view");
@@ -42,6 +44,8 @@ function onRequest(context) {
 
     var devicemgtProps = require("/app/modules/conf-reader/main.js")["conf"];
     page["isCloud"] = devicemgtProps.isCloud;
+
+    page["correctivePolicies"] = JSON.stringify(policyModule.getAllPoliciesByType("CORRECTIVE")["content"]);
     
     return page;
 }
\ No newline at end of file
diff --git a/features/application-mgt/org.wso2.carbon.device.application.mgt.server.feature/src/main/resources/dbscripts/cdm/application-mgt/mssql.sql b/features/application-mgt/org.wso2.carbon.device.application.mgt.server.feature/src/main/resources/dbscripts/cdm/application-mgt/mssql.sql
index dbaffe4733..4d45a828da 100644
--- a/features/application-mgt/org.wso2.carbon.device.application.mgt.server.feature/src/main/resources/dbscripts/cdm/application-mgt/mssql.sql
+++ b/features/application-mgt/org.wso2.carbon.device.application.mgt.server.feature/src/main/resources/dbscripts/cdm/application-mgt/mssql.sql
@@ -268,8 +268,7 @@ CREATE TABLE AP_SCHEDULED_SUBSCRIPTION(
     ID INTEGER NOT NULL IDENTITY,
     TASK_NAME VARCHAR(100) NOT NULL,
     APPLICATION_UUID VARCHAR(200) NOT NULL,
-    CONSTRAINT APPLICATION_UUID_CONSTRAINT UNIQUE(APPLICATION_UUID),
-    SUBSCRIBER_LIST VARCHAR NOT NULL,
+    SUBSCRIBER_LIST VARCHAR(MAX) NOT NULL,
     STATUS VARCHAR(15) NOT NULL,
     SCHEDULED_AT DATETIME2(0) NOT NULL,
     SCHEDULED_BY VARCHAR(100) NOT NULL,