从现实生活的实例中受到启发而找到解决问题的途径和法则叫（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30646' and id < 2471216 and id<>'2471216' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30646' and id > 2471216 and id<>'2471216' order by id asc limit 5