初学SQL，问个根据日期查询的有关问题

初学SQL，问个根据日期查询的问题？
记录如下：

khzj khsj
162012-01-26 23:11:18.280
172012-01-26 23:11:21.750
182012-01-26 23:11:25.187
192012-01-26 23:11:31.233
202012-01-26 23:11:34.937
212012-01-26 23:11:38.123
222012-01-27 14:26:48.500
232012-01-27 14:28:51.967
242012-01-27 14:32:05.890
252012-01-27 14:33:47.373
262012-01-27 14:36:15.343

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我想查询当日的记录，用GETDATE()什么也查不出来

select * from t where khsj=getdate()

改怎样写才能查出当日的记录呢？

[解决办法]

SQL code

select * from t where datediff(day,khsj,getdate())=0