Domanda di colloquio di Fugro
Write a SQL query to count distinct values from each sensor. Database was PostgreSQL.
Risposta di colloquio
Anonimo
17 mar 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.
Anonimo
It was also easy, I solved using DISTINCT and GROUP BY.