Select Top在不同数据库中的使用用法: 1. Oracle数据库 SELECT * FROM TABLE1 WHERE ROWNUM<=N 2. Infomix数据库 SELECT FIRST N * FROM TABLE1 3. DB2数据库 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数据库 SELECT TOP N * FROM TABLE1 5. Sybase数据库 SET ROWCOUNT N GO SELECT * FROM TABLE1 6. MySQL数据库 SELECT * FROM TABLE1 LIMIT N 7. FoxPro数据库 SELECT * TOP N FROM TABLE ORDER BY COLUMN
1. Oracle数据库 SELECT * FROM TABLE1 WHERE ROWNUM<=N 2. Infomix数据库 SELECT FIRST N * FROM TABLE1 3. DB2数据库 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数据库 SELECT TOP N * FROM TABLE1 5. Sybase数据库 SET ROWCOUNT N GO SELECT * FROM TABLE1 6. MySQL数据库 SELECT * FROM TABLE1 LIMIT N 7. FoxPro数据库 SELECT * TOP N FROM TABLE ORDER BY COLUMN