优点有哪些 优点举例

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select * from tbl_Articles WHERE ArticleID=2342992 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2342992 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2342992 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1434297,1088802,1869710,1638671,1131912,1079007,1071934,1128910,2738188,1128341,751251,2563717,1132085,1072551,1065049,1092454,1068356,1997622,1126583,1108365,1075492,1128237,2615747,1066738,1109719,1115463,1067531,2327587,1074712,2751677) ORDER BY field (ArticleID,1434297,1088802,1869710,1638671,1131912,1079007,1071934,1128910,2738188,1128341,751251,2563717,1132085,1072551,1065049,1092454,1068356,1997622,1126583,1108365,1075492,1128237,2615747,1066738,1109719,1115463,1067531,2327587,1074712,2751677)