省略万位后面的尾数是什么意思

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select * from tbl_Articles WHERE ArticleID=1609759 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1609759 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1609759 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(2724460,3092874,1508742,1643400,1745480,860273,789983,777162,614923,965163,3182237,2679140,619833,799700,2308637,693341,1184156,637904,878875,2076775,1401633,1092655,821813,3498734,1439631,642386,2765216,486918,3401023,1412294) ORDER BY field (ArticleID,2724460,3092874,1508742,1643400,1745480,860273,789983,777162,614923,965163,3182237,2679140,619833,799700,2308637,693341,1184156,637904,878875,2076775,1401633,1092655,821813,3498734,1439631,642386,2765216,486918,3401023,1412294)