mysql> select weekday('2023-01-01'), weekday('2024-01-01'); +---+---+ | weekday('2023-01-01') | weekday('2024-01-01') | +---+---+ | 6 | 0 | +---+---+ 获取当前日期的周一 用当前日期 减去 当前日期的周序号 就是周一的日期 SELECT DATE_SUB(NOW(), ...
The `WEEK()` function in MySQL is used to extract the week number from a given date. It helps in organizing and analyzing data based on weekly intervals. Usage The `WEEK()` function is typically used when you need to group or filter records by week. It returns an integer representing ...
❮ Previous ❮ MySQL Functions Next ❯ ExampleGet your own SQL ServerReturn the week number for a date:SELECT WEEK("2017-06-15"); Try it Yourself » Definition and UsageThe WEEK() function returns the week number for a given date (a number from 0 to 53)....
The week function includes the sunday as the first day in the week. In germany (where i come from) monday is the first day in the week. But the WEEKDAY function returns 0 (the first day of the week) which stands for monday. Bye Tom...
解决方法: MySQL的WEEK()函数会自动处理跨年的情况。只要正确设置了mode参数,函数会根据指定的模式返回正确的周数。如果需要特别处理跨年数据,可以在查询中加入额外的条件来过滤数据。 参考链接 MySQL WEEK() Function MySQL Date and Time Functions 请注意,以上链接可能会随着时间的推移而发生变化,建议在需要时直接访...
MySQL WEEK()的哪种模式符合ISO 8601 在MySQL中,WEEK() 函数用于从日期值中提取周数。根据ISO 8601标准,一周的开始是周一,第一周是包含该年第一个周四的周。为了使 WEEK() 函数的行为符合ISO 8601标准,你需要正确设置该函数的模式参数。 MySQL的 WEEK() 函数有一个可选的模式参数,该参数决定了周的计算方...
WEEK() function MySQL WEEK() returns the week number for a given date. The argument allows the user to specify whether the week starts on Sunday or Monday and whether the return value should be in the range from 0 to 53 or from 1 to 53. If no argument is included with the function...
❮Previous❮ MySQL FunctionsNext❯ ExampleGet your own SQL Server Return the weekday number for a date: SELECTWEEKDAY("2017-06-15"); Try it Yourself » Definition and Usage The WEEKDAY() function returns the weekday number for a given date. ...
Category:MySQL Server: ViewsSeverity:S3 (Non-critical) Version:5.0.11/BK SourceOS:MacOS (Mac OSX 10.4/Linux) Assigned to:Alexander IvanovCPU Architecture:Any [6 Sep 2005 0:28] [ name withheld ] Description:When used in a view, weekday function is changed from weekday(field) to weekday(...
i found a little inconsistency by using the calendar functions WEEK and WEEKDAY. If i wanna see some output which has been added this week, i use the function WEEK(time). The week function includes the sunday as the first day in the week. In germany (where i come from) monday is the...