请问瓷砖分为哪几种等级

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select * from tbl_Articles WHERE ArticleID=3008742 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3008742 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3008742 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(2350897,279018,1394713,141442,1871721,373836,1398882,863985,2777423,327067,188339,1131347,349823,3241750,563597,1757520,3171841,1129395,295540,1365151,2544555,1117884,1127187,392830,201060,2688578,208075,2763991,1066684,1121668) ORDER BY field (ArticleID,2350897,279018,1394713,141442,1871721,373836,1398882,863985,2777423,327067,188339,1131347,349823,3241750,563597,1757520,3171841,1129395,295540,1365151,2544555,1117884,1127187,392830,201060,2688578,208075,2763991,1066684,1121668)