考试注意时应该注意哪几点

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select * from tbl_Articles WHERE ArticleID=291305 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=291305 LIMIT 0,1
select * from tbl_Articles_sphinx where id=291305 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1122905,1484894,1045123,453442,1914261,1288643,1348580,1131225,139770,1090082,1728206,1045246,1465035,2098603,2107267,2120785,1096687,1670273,1103780,1123180,1071137,1125660,1128081,139582,2375711,1895786,247251,2240063,2371988,2568499) ORDER BY field (ArticleID,1122905,1484894,1045123,453442,1914261,1288643,1348580,1131225,139770,1090082,1728206,1045246,1465035,2098603,2107267,2120785,1096687,1670273,1103780,1123180,1071137,1125660,1128081,139582,2375711,1895786,247251,2240063,2371988,2568499)