Oracle數據庫中備份表數據。
例子:
1 create table table_name_bak as select * from table_name
1 create table table_name_bak as select * from table_name 2 where table_name.date between TO_DATE('2018-09-25','yyyy-MM-dd') and TO_DATE('2018-09-26','yyyy-MM-dd') and table_name = '1'
備份完成之后。可以刪除原有數據或者表
1 delete form table_name where table_name.date between TO_DATE('2018-09-25','yyyy-MM-dd') and TO_DATE('2018-09-26','yyyy-MM-dd') and table_name = '1'
?