CREATE[DEFINER= {user|CURRENT_USER}]PROCEDUREsp_name([proc_parameter[,...]])[characteristic...]routine_bodyproc_parameter: [IN|OUT|INOUT]param_nametypecharacteristic:COMMENT'string'|LANGUAGESQL| [NOT]DETERMINISTIC| {CONTAINSSQL|NOSQL|READSSQLDATA|MODIFIESSQLDATA} |SQLSECURITY{DEFINER|INVOKER}routin...
【转载】mysql 存储过程(Stored Procedure)基础详解 1. mysql 存储过程简介 我们常用的操作数据库语言SQL语句在执行的时候需要要先编译,然后执行,而存储过程(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参数)来调用执行它。 ...
MySQL [test]> create procedure ll() -> begin -> declare done int default false; -> declare i int default 0; -> declare cur cursor for select distinct id from test; -> declare continue handler for not found set done = true;
CREATEPROCEDUREp1()SET@last_procedure='p1';CREATEPROCEDUREp2()SELECTCONCAT('Last procedure was ',@last_procedure);CALLp1();CALLp2();+---+|CONCAT('Last procedure was ',@last_procedure|+---+|Lastprocedurewasp1|+---+ 1、用户变量名一般以@开头 2、滥用用户变量会导致程序难以理解及管理 MySQL...
I can't get the stored procedure to start. The debugger is saying that there is something wrong in the first 3 lines. Can someone help me with this? Thanks Mike *** // PROCEDURE pbackup1(IN mContinue) mContinue
MySQL存储过程(Stored Procedure)主要的知识点: 分隔符(delimiter) 变量(variable) 参数(parameters) 分隔符(DELIMITER) MySQL通过delimiter来区分不同的SQL语句(SQL Statement),默认的分隔符是;; 对于procedure,会有多条SQL Statement,且MySQL的每个statement都需要以分隔符结束; ...
We will provide more examples on cursors soon. Access Control for Stored Programs Stored programs and views are defined prior to use and, when referenced, execute within a security context that determines their privileges. These privileges are controlled by their DEFINER attribute, and, if there is...
这个事件会在创建后每 5 分钟自动调用MyStoredProcedure存储过程。 4. 查看和管理事件 你可以使用以下 SQL 语句来查看和管理事件: 查看所有事件: SHOW EVENTS; 1. 禁用一个事件(但不删除它): ALTER EVENT MyEvent DISABLE; 1. 启用一个之前被禁用的事件: ...
(6)存储过程(Stored Procedure) 是一组为了完成特定功能的SQL语句集,是利用SQL Server所提供的Transact-SQL语言所编写的程序。经编译后存储在数据库中。存储过程是数据库中的一个重要对象,用户通过指定存储过程的名字并给出参数(如果该存储过程带有参数)来执行它。存储过程是由流控制和SQL语句书写的过程,这个过程经编...
MySQL stored procedure MySQL 5.0 later began to support stored procedures, stored procedures, consistency, efficiency, security and architecture characteristics, this section will explain the adoption of specific examples of how to manipulate MySQL stored PHP process. 261 examples: the creation of ...