In the following section, you learn how to create and delete stored procedures in your MySQL database.Note: You can not update the body of a stored procedure object after creation. To update the logic stored in
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;
use mysql_practice;drop procedureifexists sp_get_customer_basic_info;--#1:吧默认的分隔符从';'改为'$$';--注:$$ 后面没有';'DELIMITER$$ create proceduresp_get_customer_basic_info(INlimitCountINT,OUTtotalCountINT)BEGINdeclare total_count intdefault0;--定义局部变量:scope 在BEGIN和END之间 set...
So when developing application you should balance between them to choose whether to use stored procedure or not. The following tutorial we will guide you how to leverage stored procedure in your database programming task with a couple of practical examples. Getting Started with MySQL Stored ...
MySQL存储过程可使用两种风格的注释 双模杠:-- 该风格一般用于单行注释 c风格: 一般用于多行注释 例如: mysql > DELIMITER // mysql > CREATE PROCEDURE proc1 --name存储过程名 -> (IN parameter1 INTEGER) -> BEGIN -> DECLARE variable1 CHAR(10); -> IF parameter1 = 17 THEN -> SET variable1 =...
This section provides examples of stored functions (seeChapter 27,Stored Objects) which you can create using some of the built-in functions provided by MySQL for use with GTID-based replication, listed here: SeeSection 14.18.2, “Functions Used with Global Transaction Identifiers (GTIDs)”, more...
解决“mysql 创建函数出现invalid stored procedure” 的问题 整件事情的流程 下面是解决 “mysql 创建函数出现invalid stored procedure” 问题的整体流程: 操作步骤和代码 步骤1:检查 MySQL 版本和配置 首先,我们需要确保使用的 MySQL 版本符合创建函数的要求。某些旧版本的 MySQL 可能不支持某些函数特性。
For more information on MySQL stored procedures, please refer toUsing Stored Routines. Connector/J exposes stored procedure functionality through JDBC'sCallableStatementinterface. The following example shows a stored procedure that returns the value ofinOutParamincremented by 1, and the string passed in ...
注意:在某些 MySQL 配置中,你可能需要在my.cnf或my.ini配置文件中设置event_scheduler=ON来确保事件调度器在 MySQL 服务器启动时自动开启。 2. 创建存储过程 假设你已经有一个存储过程,我们在这里创建一个简单的示例存储过程: DELIMITER // CREATE PROCEDURE MyStoredProcedure() ...
I am trying to create a table with it's name assign from the procedure itself. For example. mysql>create procedure tableName(tableName varchar(10)) >begin >create table if not exists tableName (var1 int, var int); >end;