delete from 表名 where 条件
delete from t_user ;
删除学号为1学生数据
delete from t_user where id = 1 ;
删除名字为ww学生数据
delete from t_user where name = ‘ww‘ ;
删除所有数据
truncate table t_user;
Delete:一行一行的把数据删除
Truncate:先删除表(drop),重新创建(create)表
原文:https://www.cnblogs.com/w365/p/14675468.html