将学习过的知识分门别类，并列出提纲，厲于（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30616' and id < 2469460 and id<>'2469460' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30616' and id > 2469460 and id<>'2469460' order by id asc limit 5