以下哪种情况属于肯定性训练？（ ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='23798' and id < 2067990 and id<>'2067990' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='23798' and id > 2067990 and id<>'2067990' order by id asc limit 5