a) 插入新表 select * into newtable from table b) 插入已经存在的表 insert into table select * from table2 where... 相关文章: 2021-11-22 2021-05-18 2022-12-23 2022-12-23 2022-12-23 2022-12-23 2022-01-08 2021-12-07