Flash cards
Review the key moves
1/4
Core idea
What is the main idea behind MySQL WEEK() Function?
Lesson checks
Practice each idea before moving on
Short Mimo-style checks built from this lesson's code, terms, and sequence.
1Quick choice
Which statement best captures the main point of this lesson?
2Fill blank
Complete the missing token from the example code.
___ WEEK("2017-06-15");3Order
Put the learning moves in the order that makes the concept easiest to apply.
The WEEK() function returns the week number for a given date (a number from 0 to 53).
Definition and Usage
MySQL WEEK() Function
Example
SELECT WEEK("2017-06-15");Definition and Usage
The WEEK() function returns the week number for a given date (a number from 0 to 53).
Syntax
WEEK(
date
,
firstdayofweek
)Parameter Values
| Parameter | Description |
|---|---|
| date | Required. The date or datetime to extract the week number form |
| 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 of the year has more than 3 days 2 - First day of week is Sunday 3 - First day of week is Monday and the first week of the year has more than 3 days 4 - First day of week is Sunday and the first week of the year has more than 3 days 5 - First day of week is Monday 6 - First day of week is Sunday and the first week of the year has more than 3 days 7 - First day of week is Monday |
- 0 - First day of week is Sunday
- 1 - First day of week is Monday and the first week of the year has more than 3 days
- 2 - First day of week is Sunday
- 3 - First day of week is Monday and the first week of the year has more than 3 days
- 4 - First day of week is Sunday and the first week of the year has more than 3 days
- 5 - First day of week is Monday
- 6 - First day of week is Sunday and the first week of the year has more than 3 days
- 7 - First day of week is Monday
Technical Details
| Works in: | From MySQL 4.0 |
|---|