Free course · AI & Data
SQL for Data Analysis
Ask a database the questions a business actually has.
5lessons
10quiz questions
5exercises
What you'll be able to do
- Write a query and know why it works.
- Combine tables without losing or duplicating rows.
- Turn rows into the numbers people want.
- Break a hard question into readable steps.
- Write SQL that survives being reused.
Course content
- 1 SELECT, WHERE and the order things happen Write a query and know why it works.
- 2 Joining tables Combine tables without losing or duplicating rows. Sign in to open
- 3 Aggregation and the questions managers ask Turn rows into the numbers people want. Sign in to open
- 4 Subqueries and CTEs Break a hard question into readable steps. Sign in to open
- 5 Queries somebody else can rely on Write SQL that survives being reused. Sign in to open