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.
Diese Übung ist Teil des Kurses
Time Series Analysis in PostgreSQL
Interaktive Übung
Vervollständige den Beispielcode, um diese Übung erfolgreich abzuschließen.
-- Add days to 2017-02-01 to get 2017-02-01
SELECT '2017-02-01'::DATE + INTERVAL '___' AS date;