【1】關於MySql limit offset 語法請參考以下測試示例SQL語句：
1 # limit后面顯示1條數據，從索引為0行開始讀取 2 SELECT *
3 FROM cfg_acct_free_res 4 WHERE product_id = '01086391522'
5 ORDER BY call_type DESC
6 LIMIT 1; 7 # 換句話說，LIMIT n 等價於 LIMIT 0, n 8
9 # limit后面顯示1條數據，從索引為1行開始讀取 10 SELECT *
11 FROM cfg_acct_free_res 12 WHERE product_id = '01086391522'
13 ORDER BY call_type DESC
14 LIMIT 1, 1; 15
16 # limit后面顯示3條數據，從索引為1行開始讀取 17 SELECT *
18 FROM cfg_acct_free_res 19 WHERE product_id = '01086391522'
20 ORDER BY call_type DESC
21 LIMIT 1, 3; 22
23 # limit后面顯示3條數據，offset后面是從第1條開始讀取 24 SELECT *
25 FROM cfg_acct_free_res 26 WHERE product_id = '01086391522'
27 ORDER BY call_type DESC
28 LIMIT 3 OFFSET 1; 29
30 # 換句話說，LIMIT語法與OFFSET的等價關系：從索引為1位置向后取3條記錄 31 # 1.limit 1, 3
32 # 2.limit 3 offset 1 等價於limit 1, 3
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