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How do I count the number of days between two dates in MySQL?

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How do I count the number of days between two dates in MySQL?

MySQL: DATEDIFF Function

  1. Description. The MySQL DATEDIFF function returns the difference in days between two date values.
  2. Syntax. The syntax for the DATEDIFF function in MySQL is: DATEDIFF( date1, date2 )
  3. Note. Only the date portion of date1 and date2 is used in the DATEDIFF calculation.
  4. Applies To.
  5. Example.

How do I calculate the number of days between two dates in SQL?

Use the DATEDIFF() function to retrieve the number of days between two dates in a MySQL database. This function takes two arguments: The end date.

How can I get the difference between two dates in a month in MySQL?

Month-difference between any given two dates: Have a look at the TIMESTAMPDIFF() function in MySQL. What this allows you to do is pass in two TIMESTAMP or DATETIME values (or even DATE as MySQL will auto-convert) as well as the unit of time you want to base your difference on.

How do I add 365 days to a date in SQL?

  1. SELECT @myCurrentDate + 360 – by default datetime calculations followed by + (some integer), just add that in days.
  2. SELECT DateADD(DAY, 365, @myCurrentDate) or DateADD(dd, 365, @myCurrentDate) will give you ‘2015-04-11 10:02:25.000’.
  3. So what I think you meant was SELECT DateADD(year, 1, @myCurrentDate)

What is To_char in MySQL?

In Oracle, TO_CHAR function converts a datetime value to string using the specified format. In MySQL, you can use DATE_FORMAT function.

How can I calculate hours between two dates in MySQL?

If you have an index on the departure_time column, then you might get better results if you use something like this:

  1. SELECT DATEDIFF(hour, a.
  2. ALTER TABLE airlines ADD HourDiff Integer AS DATEDIFF(hour, departure_time, arrival_time);
  3. ALTER TABLE airlines ADD INDEX HoursDiff_IX (HourDiff);

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