①将 OUTPUT INTO 用于 INSERT 语句 GO --声明表变量,名为temptable declare @temptable table(pref_name varchar(50),population int ); --往表PopTbl插入数据,并且把insert语句完成之后但在触发器执行钱的值插入到表temptable 中 insert PopTbl output inserted.* into @temptable values('Operator3',0) select...
通过在 MERGE 语句中指定OPTION (<query_hint>)子句,可以强制使用某种特定联接。 建议不要将哈希联接用作 MERGE 语句的查询提示,因为该联接类型不使用索引。 有关参数化的最佳做法 如果在没有参数的情况下执行 SELECT 、 INSERT 、 UPDATE 或 DELETE 语句, SQL Server 查询优化器可能会选择在内部参数化语句。 也...
When used after MERGE, @@ROWCOUNT returns the total number of rows inserted, updated, and deleted to the client. At least one of the three MATCHED clauses must be specified when using MERGE statement; the MATCHED clauses can be specified in any order. However a variable cannot be updated ...
子OUTPUT <dml_select_list>句和OUTPUT <dml_select_list> INTO { @table_variable | output_table }子句可以在单个INSERT、UPDATE或DELETEMERGE语句中定义。 备注 除非另行指定,否则,引用 OUTPUT 子句将同时引用 OUTPUT 子句和 OUTPUT INTO 子句。 子OUTPUT句在或操作后INSERTUPDATE检索标识...
SQL Server并不支持原生的Upsert语句,通常使用组合语句实现upsert功能。 假设有表table_A,各字段如下所示: int型Id为主键。 方法1:先查询,根据查询结果判断使用insert或者update IFEXISTS(SELECT1FROMtable_AWHEREId=@Id)BEGINUPDATEdbo.table_ASETValue=@ValueWHEREId=@Id;ENDELSEBEGININSERTINTOdbo.table_A (Id,...
SQL Server Azure SQL Database Azure SQL Managed Instance 指定したバージョンの SQL エンジンと互換性があるように、Transact-SQL およびクエリ処理の動作を設定します。 ALTER DATABASE の他のオプションについては、「ALTER DATABASE」をご覧ください。
DistPub=%computername% SET PubDB=AdventureWorks2022 SET PubName=AdvWorksSalesPersonMerge "C:\Program Files\Microsoft SQL Server\120\COM\SNAPSHOT.EXE" -Publication %PubName% -Publisher %DistPub% -Distributor %DistPub% -PublisherDB %PubDB% -ReplicationType 2 -OutputVerboseLevel 1 -Distributor...
Sintaxe do SQL Server e do Banco de Dados SQL do Azure: syntaxsql Copiar [ WITH <common_table_expression> [,...n] ] MERGE [ TOP ( expression ) [ PERCENT ] ] [ INTO ] <target_table> [ WITH ( <merge_hint> ) ] [ [ AS ] table_alias ] USING <table_source> [ [ AS ] ...
For more information about the arguments of this clause, see UPDATE (Transact-SQL). Setting a variable to the same value as a column isn't supported.DELETESpecifies that the rows matching rows in target_table are deleted.<merge_not_matched>Specifies the values to insert into the target table...
-- To avoid storing the login and password in the script file, the value-- is passed into SQLCMD as a scripting variable. For information about-- how to use scripting variables on the command line and in SQL Server-- Management Studio, see the "Executing Replication Scripts" section in-...