Oracle常用函数
摘要:
* SQL Group Function * s (num can be a column or ex pression) (null values are ign * ored, default between distin ct and all is all) ******************** *************** **************************** *... 阅读全文
posted @ 2007-09-19 08:58 David.net 阅读(286) 评论(0) 推荐(0) 编辑