四个掌握是什么

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select * from tbl_Articles WHERE ArticleID=104905 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=104905 LIMIT 0,1
select * from tbl_Articles_sphinx where id=104905 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1111348,1128331,1114276,1130710,1122907,1108538,1073349,1125947,1129715,1126510,1104729,1127633,1127017,1127901,1105737,1108526,1124352,1115293,1113710,1117351,1110758,1128949,1123911,1133065,1107569,1104210,1122980,1100701,1107909,1108043) ORDER BY field (ArticleID,1111348,1128331,1114276,1130710,1122907,1108538,1073349,1125947,1129715,1126510,1104729,1127633,1127017,1127901,1105737,1108526,1124352,1115293,1113710,1117351,1110758,1128949,1123911,1133065,1107569,1104210,1122980,1100701,1107909,1108043)