下列行为中，属于学习的有（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='23630' and id < 2055957 and id<>'2055957' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='23630' and id > 2055957 and id<>'2055957' order by id asc limit 5