什么是越位图解

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select * from tbl_Articles WHERE ArticleID=779520 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=779520 LIMIT 0,1
select * from tbl_Articles_sphinx where id=779520 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1167158,1813605,488967,679048,3456846,755335,445379,2365741,381389,828991,762631,363765,494839,998007,597810,562590,1830086,2848714,1991628,2342084,3399793,871757,388173,2248916,3352205,3354322,1209673,1618255,2739639,382026) ORDER BY field (ArticleID,1167158,1813605,488967,679048,3456846,755335,445379,2365741,381389,828991,762631,363765,494839,998007,597810,562590,1830086,2848714,1991628,2342084,3399793,871757,388173,2248916,3352205,3354322,1209673,1618255,2739639,382026)