应聘时如何回答成本控制

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select * from tbl_Articles WHERE ArticleID=3112121 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3112121 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3112121 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1101193,1128375,1464793,1123835,2280862,3076713,1454178,173386,122474,247414,2314317,3324730,1118467,121156,2591485,3110658,849342,3206572,1070058,2274685,3395051,482920,3330062,1359174,1126620,460283,1798417,1641113,1080977,1817593) ORDER BY field (ArticleID,1101193,1128375,1464793,1123835,2280862,3076713,1454178,173386,122474,247414,2314317,3324730,1118467,121156,2591485,3110658,849342,3206572,1070058,2274685,3395051,482920,3330062,1359174,1126620,460283,1798417,1641113,1080977,1817593)