时间管理的本质指的是什么

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select * from tbl_Articles WHERE ArticleID=175412 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=175412 LIMIT 0,1
select * from tbl_Articles_sphinx where id=175412 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1110157,1065533,1081247,1070474,1101319,1062392,1115203,1064345,1084303,1064601,1064643,1063929,1074618,1086063,1130444,1125544,1094615,1064147,1066612,1075714,1078869,1045314,1102388,1084777,1068150,1106232,1063213,1070352,1042114,1071199) ORDER BY field (ArticleID,1110157,1065533,1081247,1070474,1101319,1062392,1115203,1064345,1084303,1064601,1064643,1063929,1074618,1086063,1130444,1125544,1094615,1064147,1066612,1075714,1078869,1045314,1102388,1084777,1068150,1106232,1063213,1070352,1042114,1071199)