Merge pull request #14887 from TimShererWithAquent/us1612689g

1612689 Add descriptions for SEO

Author: v-albemi

docs/database-engine/install-windows/add-features-to-an-instance-of-sql-server-setup.md

@@ -1,5 +1,6 @@
 ---
 title: "Add Features to an Instance of SQL Server (Setup) | Microsoft Docs"
+description: This article provides a step-by-step procedure for adding instance-aware features to an instance of SQL Server 2019.
 ms.custom: ""
 ms.date: "09/07/2017"
 ms.prod: sql

docs/database-engine/install-windows/change-the-database-compatibility-mode-and-use-the-query-store.md

@@ -1,5 +1,6 @@
 ---
 title: "Use Query Store after upgrade"
+description: This article explains the place of using the query store to establish a baseline and changing the database compatibility level in a SQL Server upgrade.
 ms.custom: "seo-lt-2019"
 ms.date: "12/13/2019"
 ms.prod: sql

docs/database-engine/install-windows/check-parameters-for-the-system-configuration-checker.md

@@ -1,5 +1,6 @@
 ---
 title: "Check Parameters System Configuration Checker"
+description: During SQL Server Setup, the System Configuration Checker for conditions that prevent a successful SQL Server installation. 
 ms.custom: "seo-lt-2019"
 ms.date: "12/13/2019"
 ms.prod: sql

docs/database-engine/install-windows/plan-and-test-the-database-engine-upgrade-plan.md

@@ -1,5 +1,6 @@
 ---
 title: "Plan and Test the Database Engine Upgrade Plan | Microsoft Docs"
+description: This article describes planning before you begin your SQL Server upgrade, including a planning checklist and developing and testing an upgrade plan.
 ms.custom: ""
 ms.date: "05/18/2018"
 ms.prod: sql

docs/database-engine/install-windows/prepare-for-upgrade-by-running-data-migration-assistant.md

@@ -1,5 +1,6 @@
 ---
 title: "Prepare for upgrade: Data Migration Assistant"
+description: Prepare to upgrade your OLTP databases and to adopt new features in SQL Server by downloading and running Microsoft Data Migration Assistant.
 ms.custom: "seo-lt-2019"
 ms.date: "12/13/2019"
 ms.prod: sql

docs/database-engine/install-windows/rename-a-computer-that-hosts-a-stand-alone-instance-of-sql-server.md

@@ -1,5 +1,6 @@
 ---
 title: "Rename computer hosting instance"
+description: When you rename a computer that hosts an instance of SQL Server, update the system metadata stored in sys.servers.
 ms.custom: "seo-lt-2019"
 ms.date: "12/13/2019"
 ms.prod: sql

docs/database-engine/install-windows/repair-a-failed-sql-server-installation.md

@@ -1,5 +1,6 @@
 ---
 title: "Repair a Failed SQL Server Installation | Microsoft Docs"
+deescription: This article describes the scenarios where you can try a repair operation to fix failed SQL Server installation.
 ms.custom: ""
 ms.date: "09/08/2017"
 ms.prod: sql

docs/database-engine/install-windows/upgrade-data-quality-services.md

@@ -1,5 +1,6 @@
 ---
 title: "Upgrade Data Quality Services | Microsoft Docs"
+description: This article provides information on how to upgrade your existing installation of SQL Server Data Quality Services (DQS).
 ms.custom: ""
 ms.date: "07/24/2017"
 ms.prod: sql

docs/database-engine/install-windows/upgrade-database-engine.md

@@ -1,5 +1,6 @@
 ---
 title: "Upgrade Database Engine | Microsoft Docs"
+description: The article provides links to resources that help you upgrade the SQL Server Database Engine from a prior release of SQL Server to SQL Server 2019.
 ms.custom: ""
 ms.date: 11/04/2019
 ms.prod: sql

docs/database-engine/install-windows/upgrade-replicated-databases.md

@@ -1,5 +1,6 @@
 ---
 title: "Upgrade or patch replicated databases | Microsoft Docs"
+description: SQL Server supports upgrading replicated databases from previous versions of SQL Server without stopping activity on other nodes.
 ms.custom: ""
 ms.date: "07/24/2016"
 ms.prod: sql