网申中开放式问题一般集中在哪些方面?

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select * from tbl_Articles WHERE ArticleID=3335849 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3335849 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3335849 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(960205,903141,3492356,508184,490877,89159,3195019,901493,600627,775295,1061231,1440300,2394573,947565,1426353,1075377,1957933,2495639,1301676,3185321,1901524,2092227,3327256,1228506,1192752,3129977,2092255,3330857,3212501,2819056) ORDER BY field (ArticleID,960205,903141,3492356,508184,490877,89159,3195019,901493,600627,775295,1061231,1440300,2394573,947565,1426353,1075377,1957933,2495639,1301676,3185321,1901524,2092227,3327256,1228506,1192752,3129977,2092255,3330857,3212501,2819056)