查询前几条记录SQL在不同数据库中的用法

查询前几条记录SQL在不同数据库中的用法; 
1. ORACLE 
SELECT * FROM TABLE1 WHERE ROWNUMSELECT FIRST N * FROM TABLE1 
3. DB2 
SELECT * ROW_NUMBER() OVER(ORDER BY COL1 DESC) AS ROWNUM WHERE ROWNUMSELECT COLUMN FROM TABLE FETCH FIRST N ROWS ONLY 
4. SQL SERVER 
SELECT TOP N * FROM TABLE1 
5. SYBASE 
SET ROWCOUNT N 
GO 
SELECT * FROM TABLE1 
6. MYSQL 
SELECT * FROM TABLE1 LIMIT N 
7. FOXPRO 
SELECT * TOP N FROM TABLE ORDER BY COLUMN

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