误差按性质分为哪两类

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select * from tbl_Articles WHERE ArticleID=1886233 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1886233 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1886233 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1068506,2747340,134156,2291334,632326,502805,277463,2132046,2474267,748180,908585,2529887,2751149,346408,261554,2215358,208517,1092366,1314780,1288854,2049697,2573613,2436926,1132293,288848,220209,1421136,1795538,150821,2168725) ORDER BY field (ArticleID,1068506,2747340,134156,2291334,632326,502805,277463,2132046,2474267,748180,908585,2529887,2751149,346408,261554,2215358,208517,1092366,1314780,1288854,2049697,2573613,2436926,1132293,288848,220209,1421136,1795538,150821,2168725)