MySQL YEARWEEK() function

YEARWEEK() function

MySQL YEARWEEK() returns year and week number for a given date. It combines the year and week information into a single value.

This function is useful in -

• YEARWEEK() is crucial for analyzing data based on both the year and the week it belongs to. This is especially useful for businesses that operate on a weekly schedule.
• YEARWEEK() is used in resource allocation and workforce management systems to allocate resources efficiently on a weekly basis.
• Event planners use YEARWEEK() to schedule and coordinate events, conferences, and gatherings throughout the year.
• The function enables the creation of custom reports based on combined year and week intervals, meeting specific reporting requirements.
• In project management, YEARWEEK() helps in scheduling tasks and milestones, making it easier to track progress and timelines.
• It helps in scheduling tasks and assignments, ensuring that tasks are evenly distributed across weeks.
• For businesses with non-standard fiscal years, YEARWEEK() is used to generate reports based on fiscal weeks, providing a more accurate representation of financial data.

Syntax:

YEARWEEK()

Syntax Diagram:

MySQL Version: 8.0

Pictorial Presentation:

Example: MySQL YEARWEEK() function

The following statement will return the year and week number of the date 2009-05-18.

Code:

SELECT YEARWEEK('2009-05-18');

Output:

mysql> SELECT YEARWEEK('2009-05-18');
+------------------------+
| YEARWEEK('2009-05-18') |
+------------------------+
|                 200920 | 
+------------------------+
1 row in set (0.00 sec)

Example: YEARWEEK() using different day of same week

The following statement will return the year and week for the dates 2007-12-31 and 2008-01-01.

Code:

SELECT YEARWEEK('2007-12-31'),
YEARWEEK('2008-01-01');

Output:

mysql> SELECT YEARWEEK('2007-12-31'),YEARWEEK('2008-01-01');
+------------------------+------------------------+
| YEARWEEK('2007-12-31') | YEARWEEK('2008-01-01') |
+------------------------+------------------------+
|                 200752 |                 200752 | 
+------------------------+------------------------+
1 row in set (0.00 sec)

Video Presentation:

All Date and Time Functions:

Click here to see the MySQL Date and time functions.

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