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最快 select id,name,content,time,re_id,is_replay from tb_content where re_id = 0 and id between 19993 and 19998 order by id desc 大于10000条以上用 select id,name,content,time,re_id,is_replay from tb_content where re_id = 0 and id >=(select id from tb_content where re_id = 0 limit 19992, 1) limit 6 少于10000条用 select id,name,content,time,re_id,is_replay from tb_content where re_id = 0 limit 19987, 6
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原文地址：http://www.cnblogs.com/flying-tx/p/4347644.html
