sql取前几条记录

最新推荐文章于 2021-12-24 11:14:34 发布

原创最新推荐文章于 2021-12-24 11:14:34 发布 · 156 阅读

0 ·

CC 4.0 BY-SA版权

文章标签：

#SQL #SQL Server #Sybase #Oracle #DB2

本文介绍了多种数据库中获取前N条记录的方法，包括Oracle、Informix、DB2、SQL Server、Sybase、MySQL、FoxPro和Access等，提供了具体的SQL语句示例。

sql取前几条记录
2009-08-04 10:37
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 order by radom() LIMIT N
7. FOXPRO
SELECT * TOP N FROM TABLE ORDER BY COLUMN
8. ACCESS
SELECT TOP N * FROM TABLE1 where 1=1