数据库复制表
1、既复制bai表结构也复制表内容的SQL语句:
CREATE TABLE tab_new AS SELECT * FROM tab_old;
2、只复制表结构zhi不复制表内容dao的SQL语句:
CREATE TABLE tab_new AS SELECT * FROM tab_old WHERE 1=2;
3、不复制表结构,只复制内容的sql语句:
SELECT vale1, value2 into Table2 from Table1
1、既复制bai表结构也复制表内容的SQL语句:
CREATE TABLE tab_new AS SELECT * FROM tab_old;
2、只复制表结构zhi不复制表内容dao的SQL语句:
CREATE TABLE tab_new AS SELECT * FROM tab_old WHERE 1=2;
3、不复制表结构,只复制内容的sql语句:
SELECT vale1, value2 into Table2 from Table1