SQL DROP
DROP DATABASE
Syntax
DROP {DATABASE | SCHEMA} [IF EXISTS] db_name
Examples
DROP DATABASE IF EXISTS sql_hr; -- 删库
DROP TABLE
Syntax
DROP [TEMPORARY] TABLE [IF EXISTS] [/*COMMENT TO SAVE*/]
tbl_name [, tbl_name] ...
[WAIT n|NOWAIT]
[RESTRICT | CASCADE]
Examples
DROP TABLE IF EXISTS emplyees ; --删表