The output successfully retrieves the date difference in months.
#Postgresql datediff how to
The below snippet demonstrates how to find the date difference in “Month” using the DATE_PART() function: SELECTĭATE_PART('Month', '' :: DATE)) AS month_diff Multiply the “date difference in years” with “12” and add it to the “date difference in months” to find the precise date difference in months.Įxample: Calculating the Date Difference in Months With DATE_PART() function, you can calculate the DateTime difference in "Month" as follows: (datediff_in_years) *12 + (DATE_PART('Month', end_date) - DATE_PART('Month', start_date)) įrom the above syntax, you can notice that to find the date difference in months, first, you need to find the date difference in years. The output successfully retrieves the date difference in years.
#Postgresql datediff code
The DATE_PART() is utilized in the following code snippet to calculate the difference between the given dates in “years”: SELECTĭATE_PART('YEAR', '' :: DATE) AS year_diff Where the “start_date” and “end_date” can be “Timestamps”, “Dates”, “Intervals”, etc.Įxample: Calculating the Date Difference in Years To find the DateTime difference in “Years” using DATE_PART() function, use the below syntax: DATE_PART('YEAR', end_date) - DATE_PART('YEAR', start_date) Year - Month - Week - Day - Hour - Minute - Second This section demonstrates how to use the DATE_PART() function to find date differences in: So, it can be used with the “-” operator to find the difference between the given DateTime values.
The DATE_PART() function is used in Postgres to get a specific field from a date. How to Find DateTime Difference in Postgres Via the DATE_PART() Function? This post presents a comprehensive guide on calculating the difference between different dates, times, timestamps, and intervals using examples.
Well! In PostgreSQL, the “-” operator, DATE_PART(), EXTRACT(), and AGE() functions are used to calculate the difference between various DateTime values. So, how to find the DateTime difference in Postgres?
However, Postgres doesn’t support the DATEDIFF function. Database management systems, such as SQL Server, Oracle, etc., utilize the DATEDIFF function to find the difference between given Dates.
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