MySQL WEEKOFYEAR() function

WEEKOFYEAR() function

MySQL WEEKOFYEAR() returns the calendar week (as a number) of a given date. The return value is in the range of 1 to 53.

This function is useful in -

• WEEKOFYEAR() is valuable for aggregating data by week, which is common in financial and sales reporting.
• In business analytics, WEEKOFYEAR() is used to calculate various performance metrics on a weekly basis.
• This is particularly important for tracking short-term goals and targets.
• It's useful for filtering records or data based on a specific week or range of weeks.
• WEEKOFYEAR() can be used in applications for scheduling and planning tasks or events on a weekly schedule.
• It's used in resource allocation and workforce management systems to allocate resources on a weekly basis.
• In financial planning, WEEKOFYEAR() helps in budgeting and forecasting on a weekly time frame.
• When comparing data over time, WEEKOFYEAR() helps in comparing data point by point, making it easier to spot trends or anomalies.

Syntax:

WEEKOFYEAR(dt)

Where dt is a date.

Syntax Diagram:

MySQL Version: 8.0

Pictorial Presentation

Example: MySQL WEEKOFYEAR() function

The following statement will return the calendar week of the specified date 2009-05-19.

Code:

SELECT WEEKOFYEAR('2009-05-19');

Output:

mysql> SELECT WEEKOFYEAR('2009-05-19');
+--------------------------+
| WEEKOFYEAR('2009-05-19') |
+--------------------------+
|                       21 | 
+--------------------------+
1 row in set (0.00 sec)

Video Presentation

All Date and Time Functions:

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