一个口字加一个最字是啥意思啊

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select * from tbl_Articles WHERE ArticleID=2744749 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2744749 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2744749 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1121404,1300577,1904787,2174684,1128829,1084303,2712382,1593584,1117580,1074290,1078194,1081757,1861325,2708127,1005452,2414555,1533249,1092724,1049862,1842311,1133391,2382643,1104579,1080086,1053752,1370312,1884037,1697095,2063578,1050301) ORDER BY field (ArticleID,1121404,1300577,1904787,2174684,1128829,1084303,2712382,1593584,1117580,1074290,1078194,1081757,1861325,2708127,1005452,2414555,1533249,1092724,1049862,1842311,1133391,2382643,1104579,1080086,1053752,1370312,1884037,1697095,2063578,1050301)