利润表的概念与作用分别是什么

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select * from tbl_Articles WHERE ArticleID=2339641 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2339641 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2339641 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(3315151,1051135,1091621,1041287,1131239,1104847,1047309,1117884,2918219,1055341,990402,1099819,1132303,1059839,1066362,3030228,1052191,1067115,1129921,1062364,1065449,1123429,1074865,1049174,1064631,1074129,1054392,1056858,1055149,1088774) ORDER BY field (ArticleID,3315151,1051135,1091621,1041287,1131239,1104847,1047309,1117884,2918219,1055341,990402,1099819,1132303,1059839,1066362,3030228,1052191,1067115,1129921,1062364,1065449,1123429,1074865,1049174,1064631,1074129,1054392,1056858,1055149,1088774)