Glossary term
What is Grain?
In Apex Flow Academy, "Grain" means: What one row of a result means, such as one order or one order line. It is taught in SQL: Ask Any Database Any Question, Data Analytics From Scratch: Answer Real Business Questions and Power BI: Build Dashboards People Actually Use. Related terms include LEFT JOIN, Fan-out, INNER JOIN and Subquery.
- 3 courses teach it
- plain-word definition
The facts
What is Grain?
What one row of a result means, such as one order or one order line. (From SQL: Ask Any Database Any Question. 2 other courses define it for their own subject, so each definition follows.)
What does Grain mean in SQL: Ask Any Database Any Question?
What one row of a result means, such as one order or one order line.
What does Grain mean in Data Analytics From Scratch: Answer Real Business Questions?
What one row of a table stands for, such as one order for one product.
What does Grain mean in Power BI: Build Dashboards People Actually Use?
What one row of a table stands for, such as one product sold in one store on one day.
Where is Grain taught?
Grain is defined in SQL: Ask Any Database Any Question, Data Analytics From Scratch: Answer Real Business Questions and Power BI: Build Dashboards People Actually Use.
SQL: Ask Any Database Any QuestionData Analytics From Scratch: Answer Real Business QuestionsPower BI: Build Dashboards People Actually Use
Which lessons cover Grain?
These lessons name it in their title or objectives:
- Power BI: Build Dashboards People Actually Use, lesson 1.2: Create the Practice Files
Which terms are related to Grain?
Next to Grain in the course glossaries: LEFT JOIN, Fan-out, INNER JOIN, Subquery, Join, CTE (WITH), HAVING, Window function, CSV file and Key.
LEFT JOINFan-outINNER JOINSubqueryJoinCTE (WITH)HAVINGWindow functionCSV fileKey
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 Grain?
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.
- Data Analytics From Scratch: Answer Real Business Questions: You can save and find a file on your computer.
- Power BI: Build Dashboards People Actually Use: You have access to a Windows computer; no coding or database experience is needed.