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
|