发布网友 发布时间:2022-05-02 17:14
共2个回答
懂视网 时间:2022-05-02 21:35
//从一个表插入到另外一个表 insert into gh_qytc_ls SELECT * FROM gh_qytc tc; 快速copy一张表数据到另外一张表 1、创建一个临时表,字段和要用的表相同 create table gh_qyghgx_temp as select * from gh_qyghgx where qybm=‘F227‘; 2、查询临时表是否创建成功 select * from gh_qyghgx_temp; 3、删除临时表的那条记录 truncate table gh_qyghgx_temp; 4、把要备份的表的数据放入临时表 insert into gh_qyghgx_temp select * from gh_qyghgx 5、查询是否插入成功 select count(*) from gh_qyghgx_temp;
Oracle快速复制表
标签:select trunc span table HERE 记录 from ble oracle
热心网友 时间:2022-05-02 18:43
1.导出