Glossary term
What is Window function?
In Apex Flow Academy, "Window function" means: A function used with OVER that adds a calculation, such as a rank, to each row without collapsing the rows. It is taught in SQL: Ask Any Database Any Question. Related terms include CTE (WITH), Transaction, Subquery and Reconcile. Every Apex Flow Academy course lists the official sources it checked.
- 1 course teaches it
- plain-word definition
The facts
What is Window function?
A function used with OVER that adds a calculation, such as a rank, to each row without collapsing the rows.
Where is Window function taught?
Window function is defined in SQL: Ask Any Database Any Question.
Which lessons cover Window function?
These lessons name it in their title or objectives:
- SQL: Ask Any Database Any Question, lesson 6.1: Window Functions: Rank Without Collapsing Rows
Which terms are related to Window function?
Next to Window function in the course glossaries: CTE (WITH), Transaction, Subquery, Reconcile, Fan-out, SQLite and Grain.
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 Window function?
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.