主流資料庫查詢前幾條記錄SQL語句

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