摘要: 1. ORACLE SELECT * FROM TABLE1 WHERE ROWNUM<=N 2. INFORMIX SELECT FIRST N * FROM TABLE1 3. DB2 SELECT * ROW_NUMBER() OVER(ORDER BY COL1 DESC) AS ROWNUM WHERE ROWNUM<=N DB2 SELECT COLUMN FROM TABLE F... 阅读全文
posted @ 2007-07-03 18:16 RobotTech 阅读(368) 评论(0) 推荐(0) 编辑