1比400怎么计算

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select * from tbl_Articles WHERE ArticleID=3472395 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3472395 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3472395 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(444900,516405,362954,402271,539953,482485,511924,362089,451182,473047,358855,513847,87080,86028,135543,492777,522606,529713,446052,468060,419465,483712,473496,404019,493967,513729,474070,497608,375711,374387) ORDER BY field (ArticleID,444900,516405,362954,402271,539953,482485,511924,362089,451182,473047,358855,513847,87080,86028,135543,492777,522606,529713,446052,468060,419465,483712,473496,404019,493967,513729,474070,497608,375711,374387)