C中字段和属性的区别是什么

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select * from tbl_Articles WHERE ArticleID=2993760 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2993760 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2993760 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1099583,1085912,1084081,1101527,1079956,1072138,1127033,1086582,1089820,1049046,1098107,1109669,1094442,1100537,1100899,980889,1079431,1079315,1095888,1085390,1103348,1067089,1130262,1129153,1042959,1091304,1056384,1103780,1083618,1057545) ORDER BY field (ArticleID,1099583,1085912,1084081,1101527,1079956,1072138,1127033,1086582,1089820,1049046,1098107,1109669,1094442,1100537,1100899,980889,1079431,1079315,1095888,1085390,1103348,1067089,1130262,1129153,1042959,1091304,1056384,1103780,1083618,1057545)