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.
Questo esercizio fa parte del corso
Time Series Analysis in PostgreSQL
Esercizio pratico interattivo
Prova a risolvere questo esercizio completando il codice di esempio.
-- Add days to 2017-02-01 to get 2017-02-01
SELECT '2017-02-01'::DATE + INTERVAL '___' AS date;