fixed errors

Author: VanMSFT

articles/sql-database/sql-database-connectivity-issues.md

@@ -441,7 +441,6 @@ public bool IsTransient(Exception ex)
 
 ## Next steps
 
-- For more information on troubleshooting other common SQL Database connection issues, see [Troubleshoot connection issues to Azure SQL Database](sql-database-troubleshoot-common-connection-issues.md).
 - [Connection libraries for SQL Database and SQL Server](sql-database-libraries.md)
 - [SQL Server connection pooling (ADO.NET)](https://docs.microsoft.com/dotnet/framework/data/adonet/sql-server-connection-pooling)
 - [*Retrying* is an Apache 2.0 licensed general-purpose retrying library, written in Python,](https://pypi.python.org/pypi/retrying) to simplify the task of adding retry behavior to just about anything.

articles/sql-database/sql-database-howto-single-database.md

@@ -10,7 +10,7 @@ ms.topic: conceptual
 author: jovanpop-msft
 ms.author: jovanpop
 ms.reviewer: carlr
-ms.date: 02/08/2019
+ms.date: 01/14/2020
 ---
 # How to use a single database in Azure SQL Database
 
@@ -36,7 +36,7 @@ In this section you can find various guides, scripts, and explanations that can
 - [Enable e-mail notifications for automatic tuning](sql-database-automatic-tuning-email-notifications.md) to get information about tuning recommendations.
 - [Apply performance recommendations](sql-database-advisor-portal.md) and optimize your database.
 - [Create alerts](sql-database-insights-alerts-portal.md) to get notifications from Azure SQL Database.
-- [Troubleshoot connectivity](sql-database-troubleshoot-common-connection-issues.md) if you notice some connectivity issues between the applications and the database. You can also use [Resource Health for connectivity issues](sql-database-resource-health.md).
+- [Troubleshoot connectivity](troubleshoot-connectivity-issues-microsoft-azure-sql-database.md) if you notice some connectivity issues between the applications and the database. You can also use [Resource Health for connectivity issues](sql-database-resource-health.md).
 - [Manage file space](sql-database-file-space-management.md) to monitor storage usage in your database.
 
 ## Query distributed data

articles/sql-database/toc.yml

@@ -667,8 +667,6 @@
       href: sql-database-advisor-portal.md
     - name: Create alerts
       href: sql-database-insights-alerts-portal.md
-    - name: Troubleshoot connectivity
-      href: sql-database-troubleshoot-common-connection-issues.md
     - name: Manage file space
       href: sql-database-file-space-management.md
     - name: Use Resource Health for connectivity issues