Re: How to get the time zone from UTC offset + DST Rick James September 15, 2010 09:53PM Sorry, you can't reply to this topic. It has been closed.Content reproduced on this site is the property of the respective copyright holders. It is not reviewed in advance by Oracle and does...
绝大多数数据库存储了大量的“时态”数据。时态数据只是表示时间状态的简单数据。一个组织可能出于各种原因...
在R中读取表示为UTC+offset (no DST)的日期时间,可以使用lubridate包来处理。lubridate是一个用于处理日期和时间的R包,它提供了一系列函数来解析、操作和格式化日期时间数据。 首先,需要安装lubridate包。可以使用以下命令安装: 代码语言:txt 复制 install.packages("lubridate") 安装完成后,可以使用以下代码...
Date: September 13, 2010 03:29PM David, I wouldn't recommend storing dates/times in anything other than UTC. As soon as you have two rows with different time zones, you add a lot of unnecessary overhead, IMO. You also don't need to submit the time zone info to the database. Just...
Re: How to get the time zone from UTC offset + DST Rick James September 15, 2010 09:53PM Sorry, you can't reply to this topic. It has been closed. Content reproduced on this site is the property of the respective copyright holders. It is not reviewed in advance by Oracle and does...
You can just store dates/times in UTC. Then, in your client, get the UTC offset and add it (or subtract it) from the date/time from the server (UTC). When sending date/time values back to the database, just reverse the math on the client before sending. ...
I finally did run into a killer problem when I realized that for one UTC offset and DST flag there are multiple possible time zones in the TZ database. Meaning I truly can't do the mapping automatically. Therefore I think I will be going with letting the user select "system default" as...
Date: September 13, 2010 01:12PM From javascript I can obtain the current UTC offset and whether the users timezone uses DST. With that information I need to choose the correct time zone as stored in the mysql time_zone_* tables. ...