i和o哪个是开

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select * from tbl_Articles WHERE ArticleID=2082848 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2082848 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2082848 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(483366,630001,586067,723418,570382,539913,702428,703407,571226,3149690,396016,374763,2438625,663935,536033,604542,1275209,630261,441405,601601,87434,517737,2864723,516311,435596,405118,691065,558531,564392,447969) ORDER BY field (ArticleID,483366,630001,586067,723418,570382,539913,702428,703407,571226,3149690,396016,374763,2438625,663935,536033,604542,1275209,630261,441405,601601,87434,517737,2864723,516311,435596,405118,691065,558531,564392,447969)