oracle/db2/sqlserver/sybase/mysql 数据库取前几条数据写法

数据库取前几条记录的语句

1. ORACLE

SELECT * FROM TABLE1 WHERE ROWNUM<=N

2. INFORMIX

SELECT FIRST N * FROM TABLE1 where 1=1

3. DB2
SELECT * ROW_NUMBER() OVER(ORDER BY COL1 DESC) AS ROWNUM WHERE ROWNUM<=N
或者

SELECT COLUMN FROM TABLE where 1=1 FETCH FIRST N ROWS ONLY  

4. SQL SERVER
SELECT TOP N * FROM TABLE1 where 1=1
or

SET ROWCOUNT N SELECT * FROM TABLE1 where 1=1 SET ROWCOUNT N1

5. SYBASE

SET ROWCOUNT N SELECT * FROM TABLE1 where 1=1 SET ROWCOUNT N1

6. MYSQL

SELECT * FROM TABLE1 where 1=1 LIMIT N

7. FOXPRO

SELECT * TOP N FROM TABLE ORDER BY COLUMN

8. ACCESS
SELECT TOP N * FROM TABLE1 where 1=1