删除数据库
DROP DATABASE 数据库名;
DROP DATABASE IF EXISTS 数据库名;
drop database testdb ;
删除table
drop table users ;
删除表格里的数据
DELETE FROM users
WHERE id = (
SELECT id FROM users
WHERE name = 'alice'
LIMIT 1
);
删除数据库
DROP DATABASE 数据库名;
DROP DATABASE IF EXISTS 数据库名;
drop database testdb ;
删除table
drop table users ;
删除表格里的数据
DELETE FROM users
WHERE id = (
SELECT id FROM users
WHERE name = 'alice'
LIMIT 1
);