How to Find the Day of the Week for a Date in SQL Using DAYNAME

Learn how to find the day of the week from a date in SQL with DAYNAME and DAYOFWEEK functions. Easy examples included.

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To find the day of the week for a date in SQL, use the DAYNAME function. Example: `SELECT DAYNAME('2023-10-15');` This returns the day name ('Sunday') of the given date. DAYOFWEEK is another function that returns a number representing the day.

FAQs & Answers

  1. What does the DAYNAME function do in SQL? The DAYNAME function in SQL returns the full name of the day of the week for a given date, such as 'Sunday' or 'Monday'.
  2. How is DAYOFWEEK different from DAYNAME in SQL? DAYOFWEEK returns a numeric value representing the day of the week (e.g., 1 for Sunday), while DAYNAME returns the actual name of the day.
  3. Can I find the day of the week from any date format in SQL? You should use a valid date format recognized by your SQL database, like 'YYYY-MM-DD', to correctly retrieve the day of the week using functions like DAYNAME.

Watch More

For more SQL date and time manipulation tips, check out our tutorials on extracting month and year from dates, using date intervals, and formatting dates in SQL. Exploring these will enhance your database querying skills.

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