Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics SQL database in Microsoft FabricThe MERGE statement runs insert, update, or delete operations on a target table from the results of a join with a source table. For example, synchronize two tables by ...
one clause must have an update operation and the other one must use delete operation. Please refer to below T-SQL script for the example for the MERGE statement with two WHEN MATCHED clauses.
Microsoft SQL Server 2008 has T-SQL enhancements likeSQL MERGE statementfor sql developers and SQL Server database administrators (DBAs). SQL Server 2008 MERGE T-SQL commandcan be used to insert, update and/or delete in one sql statement. T-SQL Merge command will compare two sets of data o...
However, in the example scenario, the insert and delete actions require additional filtering to restrict the affected rows to those that have an employee name that starts with 'S'. In the following example, the filtering conditions are applied to the WHEN NOT MATCHED BY TARGET and the WHEN NO...
When a publication is filtered, for example, using the function SUSER_SNAME(), the Merge Agent applies the initial snapshot to each Subscriber based on data that is valid for the SUSER_SNAME() expression.If validation is enabled, when the Subscriber reconnects to the Publisher for...
For example, if you are merging a partition that contains data based on the slice [AllTime].[1998].[Quarter2] into a partition that contains [AllTime].[1998].[Quarter1], the target partition's slice must be set to the parent of the two slices that differ, in this case [AllTime]....
Example (Transact-SQL)This example enables precomputed partitions on an existing publication, and creates a logical record comprising the two new articles for the SalesOrderHeader and SalesOrderDetail tables.SQL Copy -- Remove ON DELETE CASCADE from FK_SalesOrderDetail_...
We’ll use Merge replication as the type of SQL Server replication. Before Snapshot In this example both subscriber database and publisher database are on the same server. To illustrate this, I created a sample table, triggers, non-clustered indexes and foreign keys on top of the tables ...
In the following example, the filtering conditions are applied to the WHEN NOT MATCHED BY TARGET and the WHEN NOT MATCHED BY SOURCE. The output from the statement shows that the expected rows from the input stream are corrected, inserted, or deleted. Transact-SQL Copy -- MERGE statement ...
Applies to: SQL Server The Replication Conflict Viewer allows you to view any conflicts that have occurred during replication synchronization. Conflicts occur when the same data is modified at two separate servers, for example, at a Publisher and Subscriber, or at two different Subscribers. Replicati...