SQL查询前几条记录

各种不同的数据库查询前N条记录，都不一样，现在总结了一下，列了出来：

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 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

8.postgres查询前几条记录SQL
SELECT * FROM TABLE LIMIT