Sollicitatievraag bij Fugro
Write a SQL query to count distinct values from each sensor. Database was PostgreSQL.
Antwoord op sollicitatievraag
Anoniem
17 mrt 2018
It was also easy, I solved using DISTINCT and GROUP BY.
Write a SQL query to count distinct values from each sensor. Database was PostgreSQL.
Anoniem
It was also easy, I solved using DISTINCT and GROUP BY.