sql 語句實現分頁查詢

SELECT * FROM
(
SELECT A.*, ROWNUM RN
FROM (SELECT * FROM TABLE_NAME) A
WHERE ROWNUM <= 40
)
WHERE RN >= 21

查詢記錄 21至40的數據記錄

頁數page pagesize

開始記錄值 RN>=(page-1)*pagesize+1

結束記錄索引值ROWNUM<=page*pagesize