Calculating intervals
There are often many ways to achieve certain goals in PostgreSQL.
In the next steps, you will practice different ways of obtaining a specified date from a different specified date. Each time you will do so by adding a different interval to the second date to obtain the first date.
Deze oefening maakt deel uit van de cursus
Time Series Analysis in PostgreSQL
Interactieve oefening met praktijkervaring
Probeer deze oefening door deze voorbeeldcode aan te vullen.
-- Add days to 2017-02-01 to get 2017-02-01
SELECT '2017-02-01'::DATE + INTERVAL '___' AS date;