delete 语句用于删除表中的数据, 基本用法为:
delete from 表名称 where 删除条件;
使用示例:
删除id为2的行: delete from students where id=2;
删除所有年龄小于21岁的数据: delete from students where age<20;
删除表中的所有数据: delete from students;
delete from 表名称 where 删除条件;
使用示例:
删除id为2的行: delete from students where id=2;
删除所有年龄小于21岁的数据: delete from students where age<20;
删除表中的所有数据: delete from students;
本文地址:https://www.freemoban.com/mysql/2015/0119/218.html
Copyright:www.freemoban.com 免费模板网 All Rights Reserved 网站备案:辽ICP备19014872号-2 辽公网安备:42900402000182号
免责声明:本站部分资源来自互联网收集,版权归原创者所有,如果侵犯了你的权益,我们会及时删除侵权内容,联系QQ:1615187561 谢谢合作!