摘要: 1:先分别建立两张表 sql> CREATE GLOBAL TEMPORARY TABLE tmp_session on commit preserve rows as select * from t where 1= 0; --会话结束,临时表中的数据就会消失 sql>CREATE GLOBAL 阅读全文
posted @ 2018-08-28 09:47 itcui 阅读(3197) 评论(0) 推荐(0)