SQL Day From DateTime

SQL Day From DateTime is a SQL function that allows you to extract the day from a date or datetime value. This function is useful when you want to group your data by day or perform calculations based on the day of the month.

Syntax

The syntax for the SQL Day From DateTime function is as follows:

DAY(date)

Where date is a valid date or datetime value.

Example

Here is an example of how to use the SQL Day From DateTime function:

SELECT DAY('2021-05-27 09:22:00') AS day;

This will return the day of the month as an integer value.

| day |
| --- |
| 27  |

Code Snippet

Here is a code snippet that shows how to use the SQL Day From DateTime function in a SQL query:

SELECT DAY(date_column) AS day, COUNT(*) AS count
FROM table_name
GROUP BY DAY(date_column)
ORDER BY day;

This query groups the data by day and returns the count of rows for each day. The results are sorted by day in ascending order.

Conclusion

In conclusion, SQL Day From DateTime is a useful function for extracting the day from a date or datetime value in SQL. It can be used for grouping data by day or performing calculations based on the day of the month.