悖入悖出的意思是什么

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select * from tbl_Articles WHERE ArticleID=3374999 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3374999 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3374999 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(783311,1303912,853118,1104161,1089106,1097001,943900,972402,1090068,161621,1104385,1108708,683233,1089766,1106440,1114162,1119023,1094128,801846,426829,457731,1042784,1111672,1105303,1107475,864248,1103720,1118579,1114802,709744) ORDER BY field (ArticleID,783311,1303912,853118,1104161,1089106,1097001,943900,972402,1090068,161621,1104385,1108708,683233,1089766,1106440,1114162,1119023,1094128,801846,426829,457731,1042784,1111672,1105303,1107475,864248,1103720,1118579,1114802,709744)