簡體   English   中英

休眠-兩個日期之間的差額

[英]Hibernate - difference between two dates

我如何計算兩個日期之間的差異,以使查詢與:MySql,H2和SqlServer兼容?

  • SQL DATEDIFF您可以使用DATEDIFF函數,該函數返回指定DATEPART差異

SELECT DATEDIFF(dd,'1/20/2014,'1/22/2014')

http://technet.microsoft.com/zh-CN/library/ms189794.aspx


  • MySQL- DATEDIFF()稍有不同,

SELECT DATEDIFF('2008-11-30','2008-11-29') AS DiffDate

http://dev.mysql.com/doc/refman/5.1/zh-CN/date-and-time-functions.html#function_datediff


  • H2- DATEDIFF

DATEDIFF('YEAR', T1.CREATED, T2.CREATED)

http://www.h2database.com/html/functions.html#datediff

在SQL Server中-

  datediff (day,startdate,enddate)

暫無
暫無

聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.

 
粵ICP備18138465號  © 2020-2024 STACKOOM.COM