SQL在不同数据库中查询前几条记录的用法分类

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 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 n