GROUP BY is an integral part of SQL and PostgreSQL. You might not know that the GROUP BY expression can handle more than just simple fields.
Databases
PostgreSQL: GROUP BY expression
GROUP BY is an integral part of SQL and PostgreSQL. You might not know that the GROUP BY expression can handle more than just simple fields.
HS
·August 19, 2020Hans-Jürgen SchönigCYBERTEC PostgreSQL
