sql 模版

SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
-- =============================================
-- Author:        <Author,,Name>
-- Create date: <Create Date,,>
-- Description:    <Description,,>
-- =============================================
alter PROCEDURE CourseProcedure
    @C# int,
    @Cname nvarchar(50),
    @MESSAGE nvarchar(100) output----提示信息(输出参数)
AS
BEGIN
    declare @Cnames nvarchar(20),@errmsg nvarchar(100),@sql nvarchar(200)
    
    --动态执行sql语句 输出输入参数
    set @sql='select @Cnames=Cname from Course where C#=@C#'
    exec sp_executesql @sql,N' @Cnames nvarchar(20) out,@C# int',@Cnames  out,@C#
    
    --exec 执行没有带参数的动态sql
    --直接执行sql语句
    --exec ('select * from mytable')  
    --拼接sql语句
    --SET @sql = N'SELECT COUNT(*) FROM ' + QUOTENAME(@schemaname) + N'.' + QUOTENAME(@tablename) + N';'  
    --exec(@sql)
    --exec @sql
    
    select * into #Course from Course
    IF @@ROWCOUNT>0
    begin
       SELECT * FROM #Course
       SELECT @MESSAGE  =N'测试信息!'
       RETURN
    end
    
    begin transaction --开始事务
    begin try
      select * from Course
      commit transaction --提交事务
      select @MESSAGE='成功'
    end try
    begin catch
      rollback transaction --回滚事务
      --返回错误信息
      if (ERROR_SEVERITY()<>11)
      begin
         SELECT @errmsg='错误信息：' + Error_Message() + ' 过程：' + isnull(Error_Procedure(),'未知') + '。 行号：' + convert(varchar
         ,Error_Line()) + '。';
         raiserror(@errmsg, 16, 1);
      end
      else
      begin
         SELECT @errmsg=Error_Message();
         raiserror(@errmsg, 11, 1);
      end
    end catch
END
GO

--存储过程调用
DECLARE @C# int, @Cname nvarchar(80), @MESSAGE nvarchar(80)
set @C#=1
set @Cname='11'
exec CourseProcedure @C#,@Cname,@MESSAGE output 
select @MESSAGE
exec CourseProcedure 1,'11',''