07 2011 档案
摘要:SQL在不同数据库中查询前几条记录的用法分类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 或者Select COLUMN FROM TABLE FETCH FIRST N ROWS ONLY4. SQL SERVER Select TOP N * FROM TABLE1 5. SYBASE SET
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