SQL Server Stored Procedure and Trigger 概述 存储过程(Stored Procedure) 是一组完成特定功能的Transact- SQL语句的集合,即将一些固定的操作集中起来由SQL Server服务器来完成,应用程序只需调用它就可以实现某个特定的任务。 存储过程是可以通过用户、其他存储过程或触发器来调用执行。SQL
存储过程(Stored Procedure)是一组为了完成特定功能的SQL语句集,经编译后存储在数据库中,用户通过指定存储过程的名字并给定参数(如果该存储过程带有参数)来调用执行它。外部程序可以直接调用数据库里面定义好的存储过程,另外数据库内部的触发器(trigger)、或者其他存储过程也可以调用它。 存储过程的优点 (1)执行速度快:...
create or replace proceduremypro(p_idinnumber,p_salinnumber)is v_countnumber(3);v_nonumber(3);begin selectcount(*)into v_count from emp where empno=p_id;ifv_count>0then update empsetsal=sal+p_sal where empno=p_id;v_no:=sql%rowcount;commit;dbms_output.put_line(v_no||'rows updat...
Executing a ROLLBACK TRANSACTION or COMMIT TRANSACTION Transact-SQL statement inside a stored procedure or trigger is possible, but doing so may cause errors. In Stored Procedures If @@TRANCOUNT has a different value when a stored procedure finishes than it had when the procedure was executed, an...
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问在Sql Server中混合使用Create Stored Procedure和Insert语句EN你肯定有过这样的烦恼，同样的表，不同的...
A USE database statement is not allowed in a procedure, function or trigger. A week this year Against a week this time last year in SQL (NOT MDX) A WITH keyword and parenthesis are now required Accent Sensitivity Access Code - DELETE Statement with DISTINCTROW and T-SQL Access Now() vs...
In SQL Server, a stored procedure is a set of T-SQL statements which is compiled and stored in the database. The stored procedure accepts input and output parameters, executes the SQL statements, and returns a result set if any. By default, a stored procedure compiles when it gets execute...
SQL EXEC SalesLT.uspGetCustomerCompany N'Cannon', N'Chris'; GO If a nonqualified user-defined procedure is specified, the Database Engine searches for the procedure in the following order: Thesysschema of the current database. The caller's default schema if the procedure executes in a bat...
SQL EXEC SalesLT.uspGetCustomerCompany N'Cannon', N'Chris'; GO If a nonqualified user-defined procedure is specified, the Database Engine searches for the procedure in the following order: Thesysschema of the current database. The caller's default schema if the procedure executes in a bat...