vb应用程序管理分为哪几层

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select * from tbl_Articles WHERE ArticleID=436387 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=436387 LIMIT 0,1
select * from tbl_Articles_sphinx where id=436387 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1092428,1947400,1873140,2538321,1121534,124531,1666512,1475243,1132435,2828540,2817259,1129209,1720518,1128921,1972127,1133365,1096861,3289541,1078995,3184018,1126380,473825,1126464,2533017,1117077,3359150,2121165,1042176,3260262,1083952) ORDER BY field (ArticleID,1092428,1947400,1873140,2538321,1121534,124531,1666512,1475243,1132435,2828540,2817259,1129209,1720518,1128921,1972127,1133365,1096861,3289541,1078995,3184018,1126380,473825,1126464,2533017,1117077,3359150,2121165,1042176,3260262,1083952)