Function to calculate the number of days between two dates in oracle

The function in Oracle to calculate the number of days between two dates is DATEDIFF(). The specific usage is as follows: Specify the time interval unit: interval (such as day, month, year) Specify two date values: date1 and date2DATEDIFF(interval, date1, date2) Return the difference in days

The function in Oracle that calculates the number of days between two dates

Answer:
The function in Oracle that calculates the number of days between two dates is DATEDIFF().

Detailed description:

DATEDIFF() The syntax of the function is:

<code>DATEDIFF(interval, date1, date2)</code>

Among them:

• interval Specify the unit of time interval, such as:

  • day: day
  • month: Month
  • year: Year
• date1 and date2 are to calculate the number of days The difference between the two date values.

Usage:

For example, to calculate the number of days difference between March 8, 2023 and April 1, 2023, you can use the following SQL query:

<code>SELECT DATEDIFF('day', '2023-03-08', '2023-04-01');</code>

This will return the following results:

<code>24</code>

NOTE:

• If date1 is greater than date2, the result is a negative number.
• If interval is month or year, the result will be approximate because the month and year lengths may be different.
• DATEDIFF() The function can also calculate the number of days difference between two timestamps (TIMESTAMP data type).

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