mirror of https://github.com/dunwu/db-tutorial.git
44 lines
1.1 KiB
MySQL
44 lines
1.1 KiB
MySQL
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/**
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* Mysql TCL 语句示例
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* @author Zhang Peng
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* @date 2018/5/2
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*/
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#############################################################
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# 运行本例的预置操作
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#############################################################
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-- 新建数据表 user
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DROP TABLE IF EXISTS `user`;
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CREATE TABLE `user` (
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`id` int(10) unsigned NOT NULL AUTO_INCREMENT COMMENT 'Id',
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`username` varchar(64) NOT NULL DEFAULT 'default' COMMENT '用户名',
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`password` varchar(64) NOT NULL DEFAULT 'default' COMMENT '密码',
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`email` varchar(64) NOT NULL DEFAULT 'default' COMMENT '邮箱',
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PRIMARY KEY (`id`)
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) COMMENT='用户表';
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#############################################################
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# 事务操作
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#############################################################
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-- 开始事务
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START TRANSACTION;
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-- 插入操作A
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INSERT INTO `user`
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VALUES (1, 'root1', 'root1', 'xxxx@163.com');
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-- 创建保留点 updateA
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SAVEPOINT updateA;
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-- 插入操作B
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INSERT INTO `user`
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VALUES (2, 'root2', 'root2', 'xxxx@163.com');
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-- 回滚到保留点 updateA
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ROLLBACK TO updateA;
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-- 提交事务，只有操作A生效
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COMMIT;
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