關于數据庫取表的前N條記錄

介紹取一表前N筆記錄的各种數据庫的寫法...

作者﹕CCBZZP

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