Question d’entretien chez Fugro
Write a SQL query to count distinct values from each sensor. Database was PostgreSQL.
Réponse à la question d'entretien
Utilisateur anonyme
17 mars 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.
Utilisateur anonyme
It was also easy, I solved using DISTINCT and GROUP BY.