通过设置默认值,可以确保当插入数据时,如果没有显式提供date类型列的值,则会使用默认值。此外,我们还可以使用CURRENT_DATE函数将当前日期作为默认值。这些功能可以使数据库设计更加灵活和方便。希望本文对你理解MySQL中date类型列的默认值设置有所帮助。 参考: [MySQL Date Functions](
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...
如果你需要更多关于 MySQL 日期和时间函数的信息,可以参考 MySQL 官方文档:MySQL Date and Time Functions。 相关搜索: mysqldate函数的使用 mysqldate数据 mysqldate和timstamp mysqldate类型用法 mysqldate类型转换 mysqldate数据类型 mysqldate格式化 函数运行函数 ...
【1】:12.7 Date and Time Functions 【2】: MySQL 获得当前日期时间 函数 【3】:一文搞定Mysql日期时间函数 本文参与 腾讯云自媒体同步曝光计划,分享自作者个人站点/博客。 原始发表:2020-12-09 ,如有侵权请联系 cloudcommunity@tencent.com 删除 前往查看 unix 编程算法 数据库 云数据库 SQL Server sql ...
DATE() MySQLDATE()Function ❮Previous❮ MySQL FunctionsNext❯ ExampleGet your own SQL Server Extract the date part: SELECTDATE("2017-06-15"); Try it Yourself » Definition and Usage The DATE() function extracts the date part from a datetime expression....
官网:https://dev.mysql.com/doc/refman/8.0/en/date-and-time-functions.html#function_yearweek select now(),current_date,current_time; 格式: 查询每个月1号 select*fromlagouokwhereright(date_format([字段],'%Y-%m-%d'),2)=1 获取星期几 ...
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 result in several possible format strings (for the specifiers used, see the table in theDATE_FORMAT()function description)....
| required_DATE | +---+ | 2008-05-17 | +---+ 1 row in set (0.00 sec) Video Presentation: All Date and Time Functions : Clickhereto see the MySQL Date and time functions. Previous:DATE_SUB() Next:DATEDIFF()
STR_TO_DATE() MySQLSTR_TO_DATE()Function ❮Previous❮ MySQL FunctionsNext❯ ExampleGet your own SQL Server Return a date based on a string and a format: SELECTSTR_TO_DATE("August 10 2017","%M %d %Y"); Try it Yourself »