摘要:
方法1: create table mdmuser20120801 as select * from mdmuser 方法2: create table mdmuser20120801 as select * from mdmuser where 1=2; insert into mdmuser20 阅读全文
摘要:
1.INSERT INTO SELECT语句 语句形式为:Insert into Table2(field1,field2,...) select value1,value2,... from Table1 要求目标表Table2必须存在,由于目标表Table2已经存在,所以我们除了插入源表Tabl 阅读全文
摘要:
--1. 创建dblink连接 create database link mdm66 connect to lc019999 identified by aaaaaa using '10.24.12.66/orcl'; --mdm66为连接名称,可自己命名,lc019999为访问数据库用户名,aaa 阅读全文