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title PowerShell: Update SQL Data Sync sync schema
description Azure PowerShell example script to update the sync schema for SQL Data Sync
services sql-database
ms.service sql-database
ms.subservice sql-data-sync
ms.custom sqldbrb=1
ms.devlang PowerShell
ms.topic sample
author rothja
ms.author jroth
ms.reviewer kendralittle, mathoma
ms.date 03/12/2019

Use PowerShell to update the sync schema in an existing sync group

[!INCLUDEappliesto-sqldb]

This Azure PowerShell example updates the sync schema in an existing SQL Data Sync sync group. When you're syncing multiple tables, this script helps you to update the sync schema efficiently. This example demonstrates the use of the UpdateSyncSchema script, which is available on GitHub as UpdateSyncSchema.ps1.

[!INCLUDE quickstarts-free-trial-note] [!INCLUDE updated-for-az] [!INCLUDE cloud-shell-try-it.md]

If you choose to install and use PowerShell locally, this tutorial requires Az PowerShell 1.4.0 or later. If you need to upgrade, see Install Azure PowerShell module. If you are running PowerShell locally, you also need to run Connect-AzAccount to create a connection with Azure.

For an overview of SQL Data Sync, see Sync data across multiple cloud and on-premises databases with Azure SQL Data Sync.

Important

SQL Data Sync does not support Azure SQL Managed Instance at this time.

Examples

Add all tables to the sync schema

The following example refreshes the database schema and adds all valid tables in the hub database to the sync schema.

UpdateSyncSchema.ps1 -SubscriptionId <subscriptionId> -ResourceGroupName <resourceGroupName> -ServerName <serverName> -DatabaseName <databaseName> `
    -SyncGroupName <syncGroupName> -RefreshDatabaseSchema $true -AddAllTables $true

Add and remove tables and columns

The following example adds [dbo].[Table1] and [dbo].[Table2].[Column1] to the sync schema and removes [dbo].[Table3].

UpdateSyncSchema.ps1 -SubscriptionId <subscriptionId> -ResourceGroupName <resourceGroupName> -ServerName <serverName> -DatabaseName <databaseName> `
    -SyncGroupName <syncGroupName> -TablesAndColumnsToAdd "[dbo].[Table1],[dbo].[Table2].[Column1]" -TablesAndColumnsToRemove "[dbo].[Table3]"

Script parameters

The UpdateSyncSchema script has the following parameters:

Parameter Notes
$subscriptionId The subscription where the sync group is created.
$resourceGroupName The resource group where the sync group is created.
$serverName The server name of the hub database.
$databaseName The hub database name.
$syncGroupName The sync group name.
$memberName Specify the member name if you want to load the database schema from the sync member instead of from the hub database. If you want to load the database schema from the hub, leave this parameter empty.
$timeoutInSeconds Timeout when the script refreshes database schema. Default is 900 seconds.
$refreshDatabaseSchema Specify whether the script needs to refresh the database schema. If your database schema changed from the previous configuration (for example, if you added a new table or anew column), you need to refresh the schema before you reconfigure it. Default is false.
$addAllTables If this value is true, all valid tables and columns are added to the sync schema. The values of $TablesAndColumnsToAdd and $TablesAndColumnsToRemove are ignored.
$tablesAndColumnsToAdd Specify tables or columns to be added to the sync schema. Each table or column name needs to be fully delimited with the schema name. For example: [dbo].[Table1], [dbo].[Table2].[Column1]. Multiple table or column names can be specified and separated by a comma (,).
$tablesAndColumnsToRemove Specify tables or columns to be removed from the sync schema. Each table or column name needs to be fully delimited with schema name. For example: [dbo].[Table1], [dbo].[Table2].[Column1]. Multiple table or column names can be specified and separated by a comma (,).

Script explanation

The UpdateSyncSchema script uses the following commands. Each command in the table links to command-specific documentation.

Command Notes
Get-AzSqlSyncGroup Returns information about a sync group.
Update-AzSqlSyncGroup Updates a sync group.
Get-AzSqlSyncMember Returns information about a sync member.
Get-AzSqlSyncSchema Returns information about a sync schema.
Update-AzSqlSyncSchema Updates a sync schema.

Next steps

For more information about Azure PowerShell, see Azure PowerShell documentation.

Additional SQL Database PowerShell script samples can be found in Azure SQL Database PowerShell scripts.

For more information about SQL Data Sync, see:

For more information about SQL Database, see: