什么是真分数和假分数和带分数

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select * from tbl_Articles WHERE ArticleID=3118447 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3118447 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3118447 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1069833,1096402,1086312,1067933,1131015,1096807,1080795,1073528,1067901,1127419,1068358,1126912,1061942,1100623,1060855,1076732,1093857,1128657,1084603,1081441,1071701,1045643,1070939,1089842,1525697,1063559,1076267,1049398,1047767,1053786) ORDER BY field (ArticleID,1069833,1096402,1086312,1067933,1131015,1096807,1080795,1073528,1067901,1127419,1068358,1126912,1061942,1100623,1060855,1076732,1093857,1128657,1084603,1081441,1071701,1045643,1070939,1089842,1525697,1063559,1076267,1049398,1047767,1053786)