SQL Queries and Subqueries（10gR2）
摘要：
Before start reading this article, you need to pay attention to the words in red.About Queries and SubqueriesCreating Simple QueriesHierarchical QueriesThe UNION [ALL], INTERSECT, MINUS OperatorsSorting Query ResultsJoinsUsing SubqueriesUnnesting of Nested SubqueriesSelecting from the DUAL TableDist 阅读全文
posted @ 2013-04-15 14:41 kramer 阅读(798) 评论(0) 推荐(0) 编辑
