DROP TABLE在不同数据库中的写法
1,MySql中
DROP TABLE IF EXISTS [table_name]
2,Oracle中:
BEGIN EXECUTE IMMEDIATE 'DROP TABLE [table_name]'; EXCEPTION WHEN OTHERS THEN NULL; END;
3,在Sql Server中
IF EXISTS ( SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = '[table_name]') DROP TABLE [table_name]