--建表AB 和已知表AA一样create table AB like AA--把已知表AA中数据插入表AB Insert into AB(A1,A2) select A1,A2 from AA--把已知表AA中符合条件的数据插入表AB Insert into AB(A1,A2) select A1,A2 from AA where A1='11'
--把表名AAA改成AArename AAA to AA