控制变量法介绍

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select * from tbl_Articles WHERE ArticleID=393630 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=393630 LIMIT 0,1
select * from tbl_Articles_sphinx where id=393630 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1030704,726339,1140565,1474052,1040980,974957,599263,443245,759063,374064,363961,587341,1164725,478736,1098510,1205571,366243,633789,920039,1105400,1148362,471667,995880,518054,630093,3441133,873170,559718,1171088,752122) ORDER BY field (ArticleID,1030704,726339,1140565,1474052,1040980,974957,599263,443245,759063,374064,363961,587341,1164725,478736,1098510,1205571,366243,633789,920039,1105400,1148362,471667,995880,518054,630093,3441133,873170,559718,1171088,752122)