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.
‘MERGE’ statement is a new feature in SQL Server 2008. It can be used to perform insert, update and delete operation on a destination table simultaneously based on the results of a join with a source table. Well, it sounds like a bit confusing, but let's see an example on how it ...
SQL CREATEPROCEDUREdbo.InsertUnitMeasure @UnitMeasureCodeNCHAR(3), @NameNVARCHAR(25)ASBEGINSETNOCOUNTON;-- Update the row if it exists.UPDATEProduction.UnitMeasureSETName= @NameWHEREUnitMeasureCode = @UnitMeasureCode-- Insert the row if the UPDATE statement failed.IF(@@ROWCOUNT =0)BEGININSERTI...
Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse AnalyticsThe 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 inserting, updating, or deleting ...
The SQL Server MERGE command is the combination of INSERT, UPDATE and DELETE commands consolidated into a single statement. Here is how to get started with the SQL Server MERGE command: Start off by identifying the target table name which will be used in the logic. ...
To fix this insert the@delimitercommand just before the MERGE command in the SQL Commander to temporarily change the statement separator in DbVisualizer. The following example show how to re-define the statement delimiter to%%. @delimiter %%; ...
When you run a query by using the MERGE statement in Microsoft SQL Server, you notice that the MERGE statement fails and returns an access violation error at BTreeRow::DisableAccessReleaseOnWait. Status Microsoft has confirmed th...
在SQL Server 2008 中,您可以使用 MERGE 语句在一条语句中执行插入、更新或删除操作。MERGE 语句允许您将数据源与目标表或视图联接,然后根据该联接的结果对目标执行多项操作。例如,您可以使用 MERGE 语句执行以下操作: 有条件地在目标表中插入或更新行。
Applies ToSQL Server 2014 Developer - duplicate (do not use) SQL Server 2014 Enterprise - duplicate (do not use) SQL Server 2014 Enterprise Core - duplicate (do not use) SQL Server 2014 Standard - duplicate (do not use) Symptoms When y...
Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse AnalyticsThe 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 inserting, updating, or deleting ro...