sql 查询一段时间内某个时间点数据

 SELECT  CONVERT(VARCHAR(10), dtCreateTime, 120) AS dtStatisticsCreateDate, COUNT(1) AS nStatisticsCount
                    FROM    Web_Statistics
                    WHERE datepart(hh,dtCreateTime)>=10 AND datepart(hh,dtCreateTime)<11 AND dtCreateTime>'2015-01-01' AND dtCreateTime＜'2015-01-03'