oracle 基本sql语句

1。查找所有的表

select * from user_tables

2.表结构复制

Insert into SYSTEM.LS_CP select * from SYSTEM.SS_CP2

create table System.Ls_Cp as select * from system.ss_cp2 where 1= 1

3。表数据复制

Insert into SYSTEM.LS_CP select * from SYSTEM.SS_CP2

4。表删除

drop table system.ls_cp

drop table system.ss_cp2

5。表数据清空

truncate table system.ls_cp