IF EXISTS(SELECT * FROM SYSOBJECTS WHERE NAME = 'ValueFromSql') DROP PROC ValueFromSql GO create proc ValueFromSql as begin declare @value varchar(100) exec sp_executesql N'select @value=''From Sql'' ',N'@value varchar(100) out ',@value out print @value end
执行结果为; From Sql
如果想把sql语句当成变量传入,定义应该如下,注意@sql的类型应该是nvarchar
IF EXISTS(SELECT * FROM SYSOBJECTS WHERE NAME = 'ValueFromSql') DROP PROC ValueFromSql GO create proc ValueFromSql as begin declare @value varchar(100) declare @sql nvarchar(4000) set @sql='select @value=''From Sql'' ' exec sp_executesql @sql,N'@value varchar(100) out ',@value out print @value end