s*i
2 楼
don't know what database you use, but at least
with some you can compare date/time directly.
with some you can compare date/time directly.
相关阅读
外行请教performance questionOracle里怎么选唯一的项?菜鸟请教:unix下如何建立数据库供windows用户访问看了上面,我也来说说俺当年没答出的面试题。BusinessWeek website attacked and hosts malware(ZZ)请教 sql server index问题MySQL founder quits Sun(ZZ) 再问个 subquery的问题sql server 面试题 (6)How to find intersection of two tables sql server 面试题 (4)sql面试题3小心地问问:Oracle DBA 哪本书最好呢?error file或者exception fileWhich design is better?请教一个新手的shift column问题Cheat sheet for Zenny's interview questions你们等几天再出sql server题呀!问一个小问题