The DATE type is used for values with a date part but no time part. MySQL retrieves and displays DATE values in '*YYYY-MM-DD*' format. The supported range is '1000-01-01' to '9999-...
4. 获得当前 UTC 日期时间函数:utc_date(), utc_time(), utc_timestamp() mysql> select utc_timestamp(), utc_date(), utc_time(), now() +---+---+---+---+ | utc_timestamp() | utc_date() | utc_time() | now() | +---+---+---+---+ | 2008-08-08 14:47:11 ...
https://dev.mysql.com/doc/refman/8.0/en/date-and-time-functions.html#function_convert-tz .net 时间时区 Console.WriteLine(TimeZoneInfo.ConvertTimeFromUtc(DateTime.UtcNow, TimeZoneInfo.Utc)); Console.WriteLine(TimeZoneInfo.ConvertTimeFromUtc(DateTime.UtcNow, TimeZoneInfo.Local)); Console.WriteLine...
MySQL Manual 中是这样描述 sysdate() 的:Return the time at which the function executes。 sysdate() 日期时间函数,一般情况下很少用到。 2. 获得当前日期(date)函数:curdate() mysql> select curdate(); +---+ | curdate() | +---+ | 2008-08-08 | +---+ 其中,下面的两个日期函数等同于 curda...
MySQL converts TIMESTAMP values from the current time zone to UTC for storage, and back from UTC to the current time zone forretrieval. MySQL 会将 TIMESTAMP 值从当前时区转换到 UTC 以进行存储,并在检索时从 UTC 转换回当前时区。 (This does not occur for other types such as DATETIME.) By ...
MySQL 会将 TIMESTAMP 值从当前时区转换到 UTC 以进行存储,并在检索时从 UTC 转换回当前时区。 (This does not occur for other types such as DATETIME.) By default, the current time zone for each connection is the server’s time. (默认情况下,每个连接的当前时区是服务器时间。
In MySQL 8.0.19 and later, you can specify a time zone offset when inserting aTIMESTAMPorDATETIMEvalue into a table. SeeSection 9.1.3, “Date and Time Literals”, for more information and examples. 在MySQL 8.0.19 及更高版本中,在表中插入TIMESTAMP或DATETIME值时,可以指定时区偏移。更多信息和...
只需简单更改下日期即可...当然不是… 此时就需要对日期时间进行格式化处理 方法: date_format(sysdate(),’%Y-%m-%d’) -- 时间格式化为 “YYYY-MM-DD” SELECT content...date_format( createTime, '%Y-%m-%d' ) AS createTime FROM TABLE WHERE createTime > '2018-12-10'; 经过格式化的日期显示为...
Note:If set to SYSTEM, every MySQL function call that requires a timezone calculation makes a system library call to determine the current system timezone. This call may be protected by a global mutex, resulting in contention. 小结:system_time_zone是在MySQL启动后读取操作系统的时区作为MySQL serv...
Time zone offsets are also supported for inserted datetime values; seeSection 13.2.2, “The DATE, DATETIME, and TIMESTAMP Types”, for more information. For information about time zone settings in replication setups, seeSection 19.5.1.14, “Replication and System Functions”andSection 19.5.1.33,...