a sql query can return multiple result sets, and out of band messages, and is stored procedure call, the return value (which is actually a type of output parameter). the return value is only available after all result sets for the stored procedure are returned. the return value of a st...
存储过程(procedure)类似于C语言中的函数 用来执行管理任务或应用复杂的业务规则 存储过程可以带参数,也可以返回结果 存储过程可以包含数据操纵语句、变量、逻辑 控制语句等 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...
Return Data From a Stored Procedure - SQL Server Learn how to return data from a procedure to a calling program by using result sets, output parameters, and return codes. Retrieve values in Stored Procedures with ADO - SQL Server This article describes how to retrieve values in ...
问StoredProcedure使用设计器将多个结果集Sql返回给linq.EN不能对存储过程的结果集使用已定义的类型。所以...
Accept input parameters and return multiple values in the form of output parameters to the calling program. Contain programming statements that perform operations in the database. These include calling other procedures. Return a status value to a calling program to indicate success or failure ...
DECLARE@ReturnintEXEC@Return=spTestReturns//第一个RETURNSELECT@Return //返回100 5、执行存储过程: 对于调用存储过程需要注意以下几点: 对于存储过程声明中的输出参数,需要使用OUTPUT关键字。 和声明存储过程时一样,调用存储过程时,必须使用OUTPUT关键字。这样就对SQL Server作了提前通知,告诉它参数所需要的特殊处理...
问SQL选择多个值StoredProcedureEN
Execute the stored procedure above as follows: Example EXECSelectAllCustomers @City ='London'; Stored Procedure With Multiple Parameters Setting up multiple parameters is very easy. Just list each parameter and the data type separated by a comma as shown below. ...
Return multiple values from store procedure Return number of rows affected for multiple queries in one SQLCommand. Return the ID of a newly inserted row. Returning integer/string value from LINQ query Returning Multiple Tables into a DataSet ...
INSERT INTO tb_user VALUES(@max_id+1,@username); END; END; GO --调用,可选用下列任一方式执行 exec usp_useradd_MS 'Mike' exec usp_useradd_MS @username='John' --验证结果 SELECT * FROM tb_user; 1. 2. 3. 4. 5. 6. 7.