CREATE PROCEDURE return_test (IN p_empno CHAR(6), IN p_emplastname VARCHAR(15) ) LANGUAGE SQL SPECIFIC return_test BEGIN DECLARE v_lastname VARCHAR (15); SELECT lastname INTO v_lastname FROM employee WHERE empno = p_empno; IF v_lastname = p_emplastname THEN RETURN 1; ELSE RETURN ...
以这种方式定义的函数会比用 SQL 定义的函数效率更高,并且在 SQL 中无法执行的计算可以由这些函数来执行。 外部过程和函数可以通过这样的方式来指定(请注意,确切的语法取决于你所使用的特定数据库系统): create procedure dept_count_proc(in dept_name varchar(20), out count integer) language C external name...
--print 'serviceid '+ convert(varchar(10),@serviceid) + ' already exists in the tg_services table' return end else BEGIN INSERT into tg_services VALUES(@serviceid,@name) end end end my question is: in the above code they are returning from the procedure if rowcount <>0 ...
雇员名:SCOTT 执行到大Begin 中的小Begin 中了方法了 执行到大Begin的末尾了 PL/SQL procedure successfully completed v_resultcode --- -1 v_resultinfo --- 下面是从网上摘来的,有兴趣的人可以看看: create or replace procedure Test5(o_cellphone in varchar2) is v_cellphone cc_quiz_stat.cellphone %...
EXECUTE @letters= #HowManylettersInWord 'level-crossing gates'; --execute our sample procedure SELECT @letters 当被逼到角落时,任何灰色的数据库开发人员都会承认使用RETURN代码执行此操作。现在我们没有必要对这个SQL Code Smell视而不见。当您从一个过程传递值时,您可以在丰富的数据类型中拥有任意数量的OUTPU...
在执行了当前过程的 batch 或过程中,返回状态值可包含在后续 Transact-SQL 语句中,但必须按以下格式输入:EXECUTE @return_status = <procedure_name>。 示例 A. 从过程返回 下面的示例说明,如果在执行 findjobs 时没有指定用户名作为参数,则 RETURN 将使过程向用户屏幕发送一条消息后退出。 如果指定了用户名,则...
When a RETURN statement is used within an SQL procedure: If a RETURN statement with a specified return value was used to return from a procedure, the SQLCODE, SQLSTATE, and message length in the SQLCA are initialized to zeros and the message text is set to blanks. An error is not retur...
CREATE PROCEDURE `proc_withdraw_approve`( IN p_apply_id INT, IN p_handleuserid INT, IN p_handlestate INT, IN p_handletype INT, IN p_bankreceipt VARCHAR(200), IN p_apply_mark VARCHAR(2000), IN p_cash_serial VARCHAR(200))
Error #1313 RETURN is only allowed in a FUNCTION”错误错误消息告诉你问题所在--你不能在PROCEDURE...
SQLWays converts T/SQL procedures, triggers, functions from SQL Server, Sybase to MySQL http://www.ispirer.com Subject Written By Posted return statement in procedure ravi thati February 17, 2009 11:17PM Re: return statement in procedure ...