坚持三个代表是指哪三个

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select * from tbl_Articles WHERE ArticleID=1689370 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1689370 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1689370 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(723204,1024676,666742,1053594,1083219,98449,1069111,1162545,830003,924504,3343650,549556,1803095,394148,1090471,1113216,1127959,416271,1302378,1524566,848390,939697,1057338,957602,728023,574572,390705,1012603,1065932,974131) ORDER BY field (ArticleID,723204,1024676,666742,1053594,1083219,98449,1069111,1162545,830003,924504,3343650,549556,1803095,394148,1090471,1113216,1127959,416271,1302378,1524566,848390,939697,1057338,957602,728023,574572,390705,1012603,1065932,974131)