Recall
Set 1: Quick Check
Build the core vocabulary, table-grain, and key relationship mental model.
Relational Databases and Safe Querying
Understand tables, grain, keys, relationships, data dictionaries, and a safe read-only analysis workflow.
Start Chapter PracticeChapter plan
What you will be able to do
- Distinguish a database, schema, table, row, column, and query result.
- State what one row represents before querying a table.
- Recognize primary and foreign keys in a relationship map.
- Use a data dictionary and a read-only preview safely.
- Study time
- 22–26 minutes, self-paced
- Course
- SQL for Data Analysis (Beginner)
- Practice order
- Four sets, completed in sequence
Chapter practice
Practice in chapter order
10 activities · 80% mastery target
Start set 1
Guided application
Set 2: Core Practice
Choose the correct source, read a data dictionary, and order a safe read-only workflow.
Hands-on
Set 3: Workplace Task
Run two real read-only previews against the bundled fictional workplace database.
Independent check
Set 4: Mastery Check
Diagnose a grain change and independently build a safe named-column preview.