UTC_TIMESTAMP() Return the current UTC date and time WEEK() Return the week number WEEKDAY() Return the weekday index WEEKOFYEAR() Return the calendar week of the date (1-53) YEAR() Return the year YEARWEEK() Return the year and week 注: 接收date参数的函数在收到datetime时,会忽略掉...
SELECT current_timestamp, current_timestamp(); MySQL 日期转换函数、时间转换函数 MySQL Date/Time to Str(日期/时间转换为字符串)函数:date_format(date,format)(日期转换), time_format(time,format)(时间转换) SELECT DATE_FORMAT(now(), '%Y-%m-%d %H:%i:%s'), TIME_FORMAT(now(),'%Y-%m-%d %H...
CURRENT_DATE(), CURRENT_DATESynonyms for CURDATE() CURRENT_TIME(), CURRENT_TIMESynonyms for CURTIME() CURRENT_TIMESTAMP(), CURRENT_TIMESTAMPSynonyms for NOW() CURTIME()Return the current time DATE()Extract the date part of a date or datetime expression DATE_ADD()Add time values (intervals) ...
Table 14.11 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(), ...
ROUND(DATEDIFF(end_date, start_date)/7, 0) AS weeksout 对于其他时间段,TIMESTAMPDIFF() 函数可能会有所帮助。它接受两个 TIMESTAMP 或 DATETIME 值(DATE 值将在 MySQL 中自动转换)以及我们想要差异的时间单位。例如,我们可以在第一个参数中指定 MONTH 作为单位: ...
UNIX_TIMESTAMP() Return a Unix timestamp UTC_DATE() Return the current UTC date UTC_TIME() Return the current UTC time UTC_TIMESTAMP() Return the current UTC date and time WEEK() Return the week number WEEKDAY() Return the weekday index WEEKOFYEAR() Return the calendar week...
CURRENT_TIMESTAMP和 CURRENT_TIMESTAMP()是NOW()的同义词。 DATE(expr) 提取日期或时间日期表达式expr中的日期部分。 mysql>SELECT DATE('2003-12-31 01:02:03'); -> '2003-12-31' DATEDIFF(expr,expr2) DATEDIFF() 返回起始时间expr和结束时间expr2之间的天数。Expr和expr2为日期或 date-and-time 表达式...
date_format格式参考MySQLdateFormat格式 【2】EXTRACT(unit FROM date):提取日期的指定部分 语法格式如下: SELECT EXTRACT(unit FROM date) 1. 示例如下: SELECT EXTRACT(second FROM SYSDATE()), EXTRACT(minute FROM SYSDATE()), EXTRACT(hour FROM SYSDATE()), ...
Date: February 19, 2005 04:47PM Hello - I have recently migrated from MS SQL Server. I have several tables in my new MySQL database that used to automatically insert the current date and time. I recall using a getdate() function in MS SQL as a seed for the fields in question. It...
In Java, the Job class has scheduledStartTime attribute in java.util.Date type. If I use java.util.Calendar.getInstance().getTime() to populate the Job instance in Java and then save it to the job table; and compare it to the result of MySQL statement "select CURRENT_TIMESTAMP", the...