Oracle分析函数(Analytic Function)入门
2010-09-08 13:19 by Snowtoday, 559 visits, 网摘, 收藏, 编辑
摘要:(1)分析函数(Analytic function)与聚合函数(Aggregate function);
(2)基本语法;
(3)AVG, SUM, MAX, MIN, COUNT;
(4)RANK, DENSE_RANK, ROW_NUMBER;
(5)LEAD, LAG;
(6)FIRST_VALUE, LAST_VALUE;
(7)Window子句 阅读全文