时针走一小格是多少秒

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select * from tbl_Articles WHERE ArticleID=354782 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=354782 LIMIT 0,1
select * from tbl_Articles_sphinx where id=354782 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1088479,1094219,1096531,1127701,1738962,1069553,1087825,1072745,1072903,1071992,994629,1075635,1070993,1083249,1089454,1063229,1061598,1067933,1071203,1077268,1074820,1053224,1087779,1095178,1071501,1067915,997640,1074506,1069221,1076537) ORDER BY field (ArticleID,1088479,1094219,1096531,1127701,1738962,1069553,1087825,1072745,1072903,1071992,994629,1075635,1070993,1083249,1089454,1063229,1061598,1067933,1071203,1077268,1074820,1053224,1087779,1095178,1071501,1067915,997640,1074506,1069221,1076537)