从完整的问题解决过程来看，（ ）是首要环节。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='23640' and id < 2056566 and id<>'2056566' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='23640' and id > 2056566 and id<>'2056566' order by id asc limit 5