摘要：
smalldatetime不能到秒.不過它占的空間小.(4位)datetime(8位)而且兩者的時間範圍不一樣.datetime占8字节，精度3.33毫秒，时间从1753.1.1到9999.12.31smalldatetime占4字节，精度1分钟，时间从1900.1.1到2079.6.6datetimeDate and time data from January 1, 1753, to December 31, 9999, with an accuracy of three-hundredths of a second, or 3.33 milliseconds.smalldatetimeD 阅读全文
posted @ 2011-01-04 10:43 Rainbow.ding 阅读(33013) 评论(2) 推荐(0) 编辑