Oracle DATEDIFF Function Explained

1 year ago
Olivia Parker
1 minute

The DATEDIFF function is a function in Oracle database used to calculate the difference between two dates. It can calculate the difference in days, weeks, months, or years between two dates. The DATEDIFF function uses the following syntax:

Calculate the difference between the start date and end date in the specified unit.

In this case, the unit represents the difference unit to be calculated, which can be one of the following values:

  1. ‘DAY’: calculate the difference in days
  2. ‘WEEK’: Calculate the difference in weeks.
  3. Calculate the difference in months: ‘MONTH’.
  4. ‘YEAR’: Calculate the difference in years.

start_date and end_date represent the start and end dates for calculating the difference.

For example, you can use the following statement to calculate the difference in days between two dates:

Calculate the difference in days between January 1, 2021 and January 10, 2021.

This will return 9, indicating that there are a total of 9 days from January 1, 2021 to January 10, 2021.

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