“Op”表示的是（ ）。[吉林2020]

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31274' and id < 2510115 and id<>'2510115' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31274' and id > 2510115 and id<>'2510115' order by id asc limit 5