--Oracle的方式判断记录是否存在不存在则插入---insert into a(a.user_id,a.user_name) select
Oracle 与 SQL Server的简单常用的插入语句的区别
[日期：2011-06-29] 来源：Linux社区 作者：w5q7c3 [字体：]
--Oracle的方式判断记录是否存在不存在则插入---
insert into a(a.user_id,a.user_name) select '2','李四' from dual where not exists
(select 1 from a where a.user_id='2')
--sql server的方式--
if not exists(select Test_TB.ID from Test_TB where)
insert into Test_TB values('2','李四',GETDATE())
解决在Oracle数据库中使用hibernate生成表不能正确创建表的问题
Oracle EBS APP-MRP-22064: 出现内部错误 (mrlups_update_supply，，5)
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