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                ## 獲取部分行 * 當數據量過大時,在一頁中查看數據是一件非常麻煩的事情 * 語法 ~~~ select * from 表名 limit start,count ~~~ * 從start開始,獲取count條數據 * start索引從0開始 ## 示例:分頁 * 已知:每頁顯示m條數據,當前顯示第n頁 * 求總頁數:此段邏輯后面會在python中實現 * 查詢總條數p1 * 使用p1除以m得到p2 * 如果整除則p2為總數頁 * 如果不整除則p2+1為總頁數 * 求第n頁的數據 ~~~ select * from students where isdelete=0 limit (n-1)*m,m ~~~
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