2011年12月9日
Oracle 聚合函数（Aggregate Functions）说明
摘要： Oracle Aggregate Functions用过很多，官网的说明如下：Aggregate Functionshttp://docs.oracle.com/cd/E11882_01/server.112/e26088/functions003.htm#SQLRF20035 Aggregatefunctions return a single result row based on groups of rows, rather than onsingle rows. Aggregate functions can appear in select lists and inORDERBYan 阅读全文
posted @ 2011-12-09 15:22 davedba 阅读(253) 评论(0) 推荐(0)
Oracle 聚合函数（Aggregate Functions）说明
摘要： Oracle Aggregate Functions用过很多，官网的说明如下：Aggregate Functionshttp://docs.oracle.com/cd/E11882_01/server.112/e26088/functions003.htm#SQLRF20035 Aggregatefunctions return a single result row based on groups of rows, rather than onsingle rows. Aggregate functions can appear in select lists and inORDERBYan 阅读全文
posted @ 2011-12-09 15:22 davedba 阅读(170) 评论(0) 推荐(0)