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27 Aug 2010 The OUTPUT clause itself first specifies the built-in $action variable, which returns one of three nvarchar(10) values-INSERT, UPDATE, or DELETE. The variable is available only to the MERGE statement. I follow the variable with a set of column prefixes (DELETED and INSERTED) for each column in the target table. In SQL Server 2008, you can perform insert, update, or delete operations in a single statement using the MERGE statement. The MERGE statement allows you to join a data source with a target table or view, and then perform multiple actions against the target based on the results of that join. Use the SQL MERGE statement to synchronize changes made in one table with another. Perfect for combining INSERT, UPDATE, and DELETE into one Assuming you want an actual SQL Server MERGE statement: MERGE INTO . I often used Bacon Bits great answer as I just can not memorize the syntax. But I usually add a CTE as an addition to make the DELETE part more Use the MERGE statement to select rows from one or more sources for you must also have the DELETE object privilege on the target table. Syntax. merge::=. SQL Statements: ALTER TABLE to ALTER TABLESPACE Use the MERGE statement to select rows from one or more sources for update or insertion you must also have the DELETE object privilege on the target table. Syntax. merge::=. 10 Jun 2009 Introduction. One of the fantastic new features of SQL Server 2008 is Merge Statement. Using a single statement, we can Add/Update records in 12 May 2017 SQL Server (starting with 2008) yes Transact-SQL Syntax Conventions Because the MERGE statement performs a full table scan of both 10 Mar 2009 The MERGE statement basically works as separate insert, update, and delete statements all within the same statement. You specify a "Source" Because the MERGE statement performs a full table scan of both the source and about the syntax and arguments of this clause, see FROM (Transact-SQL).
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