وظيفة MySQL YEARWEEK ()

إرجاع رقم السنة والأسبوع لتاريخ:

SELECT YEARWEEK("2017-06-15");

التعريف والاستخدام

ترجع الدالة YEARWEEK () رقم السنة والأسبوع (رقم من 0 إلى 53) لتاريخ معين.

YEARWEEK(date, firstdayofweek)

Parameter	Description
date	Required. The date or datetime value to extract the year and week number from
firstdayofweek	Optional. Specifies what day the week starts on. Can be one of the following: 0 - First day of week is Sunday 1 - First day of week is Monday and the first week has more than 3 days 2 - First day of week is Sunday 3 - First day of week is Monday and the first week has more than 3 days 4 - First day of week is Sunday and the first week has more than 3 days 5 - First day of week is Monday 6 - First day of week is Sunday and the first week has more than 3 days 7 - First day of week is Monday

Parameter

Description

date

Required. The date or datetime value to extract the year and week number from

firstdayofweek

Optional. Specifies what day the week starts on. Can be one of the following:

يعمل في:	من MySQL 4.0

إرجاع رقم السنة والأسبوع لتاريخ:

SELECT YEARWEEK("2017-10-25");

قم بإرجاع رقم السنة والأسبوع لتاريخ النظام الحالي:

SELECT YEARWEEK(CURDATE());