Frage im Vorstellungsgespräch bei Fugro
Write a SQL query to count distinct values from each sensor. Database was PostgreSQL.
Antwort im Vorstellungsgespräch
Anonym
17. März 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.
Anonym
It was also easy, I solved using DISTINCT and GROUP BY.