Glossary term
What is GROUP BY?
In Apex Flow Academy, "GROUP BY" means: A clause that puts rows into piles that share a value, so you get one summary row per pile. It is taught in SQL: Ask Any Database Any Question. Related terms include Aggregate function, HAVING, NULL and Join. Every Apex Flow Academy course lists the official sources it checked.
- 1 course teaches it
- plain-word definition
The facts
What is GROUP BY?
A clause that puts rows into piles that share a value, so you get one summary row per pile.
Where is GROUP BY taught?
GROUP BY is defined in SQL: Ask Any Database Any Question.
Which lessons cover GROUP BY?
These lessons name it in their title or objectives:
- SQL: Ask Any Database Any Question, lesson 3.2: GROUP BY: One Row for Each Group
Which terms are related to GROUP BY?
Next to GROUP BY in the course glossaries: Aggregate function, HAVING, NULL, Join, Alias, INNER JOIN, Clause and LEFT JOIN.
Aggregate functionHAVINGNULLJoinAliasINNER JOINClauseLEFT JOIN
The hard questions, answered straight
Bold questions people really ask. Each answer comes from the course data or a settled Academy fact.
Do I need experience before I learn GROUP BY?
It depends on the course. Each course that teaches it lists its own prerequisites, and all are listed at beginner level:
- SQL: Ask Any Database Any Question: No coding or database experience is needed.