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
Versuche dich an dieser Übung, indem du diesen Beispielcode vervollständigst.
-- Add days to 2017-02-01 to get 2017-02-01
SELECT '2017-02-01'::DATE + INTERVAL '___' AS date;