求一句关于日期差的查询语句
2007-08-17 15:17:00 跟2007-08-17 15:17:30 差30秒，要怎么写啊
[解决办法]
select datediff(second, '2007-08-17 15:17:00 ', '2007-08-17 15:17:30 ')
[解决办法]
select datediff(second, '2007-08-17 15:17:00 ', '2007-08-17 15:17:30 ')
[解决办法]
select datediff(ss, '2007-08-17 15:17:00 ', '2007-08-17 15:17:30 ')
[解决办法]
select datediff(second, '2007-08-17 15:17:00 ', '2007-08-17 15:17:30 ')
.........
好快啊...LS的
