Sql Server中存储过程中输入和输出参数(简单实例 一看就懂)

[sql]
— ===================【创建存储过程】=====================
USE [Message]
GO
/****** Object: StoredProcedure [dbo].[读取外部数据库查询] Script Date: 10/24/2012 05:39:16 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
— ============================================= // Working没有变1，错误码没有测试,计划时间测试,企业名称
create PROCEDURE [dbo].[数据库查询]
@SmsContent varchar(20)=’1231′, — 输入参数
@bj1 int out — 输入出参数
AS
BEGIN
SELECT @bj1=count(Id) from sss
END
— ===============【调用】==================
USE [Message]
DECLARE @return_value int
EXEC [dbo].[数据库查询] ‘1231’,@return_value output
SELECT @return_value