Table 12.11 Date and Time Functions NameDescription ADDDATE() Add time values (intervals) to a date value ADDTIME() Add time CONVERT_TZ() Convert from one time zone to another CURDATE() Return the current date CURRENT_DATE(), CURRENT_DATE Synonyms for CURDATE() CURRENT_TIME(), ...
This section describes the functions that can be used to manipulate temporal values. See Section 13.2, “Date and Time Data Types”, for a description of the range of values each date and time type has and the valid formats in which values may be specified. Table...
SELECTDATE_FORMAT('2006-06-00','%d'); GET_FORMAT({DATE|TIME|DATETIME}, {'EUR'|'USA'|'JIS'|'ISO'|'INTERNAL'}) Returns a format string. This function is useful in combination with theDATE_FORMAT()and theSTR_TO_DATE()functions. The possible values for the first and second arguments ...
now(),current_timestamp();--当前日期时间current_date();--当前日期current_time();--当前时间date('yyyy-mm-dd hh:ii:ss');--获取日期部分time('yyyy-mm-dd hh:ii:ss');--获取时间部分date_format('yyyy-mm-dd hh:ii:ss','%d %y %a %d %m %b %j');--格式化时间unix_timestamp();--...
希望本文能够帮助您理解MySQL中datetime时间相减的方法,并为您的实际应用带来便利。 流程图 开始定义datetime_expr1和datetime_expr2计算时间差值返回时间差值结束 状态图 计算时间差值 参考链接 [MySQL Date and Time Functions]( [MySQL TIMESTAMPDIFF() Function](...
Description: Date and time functions are inconsistently named. It makes it difficult to recall what the function name should be without looking up the manual every time. For example, this is one flavor of naming convention (verb in front): ADDDATE() ADDTIME() SUBDATE() SUBTIME() Here is ...
Date and Time Functions Posted by:mikal mcdonough Date: November 24, 2010 12:29PM Hi, I'd appreciate some guidance if possible, fairly straightforward for someone well versed in (my)sql I'm sure, but a bit tricky for me. Ultimately I need to create a trigger to perform the following,...
https://dev.mysql.com/doc/refman/8.0/en/date-and-time-functions.html#function_date-format 里面有1个%f,但是是6位的,如果毫秒只需要3位,再套一层substring,效果如下: 上图也顺便给了另1个小技巧:默认情况下now()和current_timestamp()函数,只精确到秒,如果需要到毫秒,传入3或6这样的精度值即可。
0、2、5、7以第一个完整周为第1周,其余以>=4天判定为第1周.0和5代表前面为第0周,2和7代表前面为上年最后一周 ^不仅可以进行年月日时分秒的转化,还可以进行周、星期等的转化 https://dev.mysql.com/doc/refman/8.0/en/date-and-time-functions.html#function_date-format...
DATE:日期,格式为YYYY-MM-DD,例如2022-01-01。 TIME:时间,格式为HH:MM:SS,例如10:30:00。 DATETIME:日期和时间,格式为YYYY-MM-DD HH:MM:SS,例如2022-01-01 10:30:00。 TIMESTAMP:时间戳,格式为YYYY-MM-DD HH:MM:SS,与 DATETIME 格式相同。