Joins & Set Operations — Roadmap Step & Resources
Combining data across tables with INNER/LEFT/RIGHT/FULL joins, UNION and INTERSECT
- Level: beginner
- Estimated time: 1 days
- Roadmap: Data Science
Before this step
Interview questions
- INNER JOIN vs LEFT JOIN — what's the difference in the result set?
Study resources
- SQL Joins (Article) — W3Schools' clear, example-heavy reference for INNER/LEFT/RIGHT/FULL joins.
- SQL Joins Explained (Video) — A visual, practical walkthrough of every type of SQL join.
Part of
- SQL & Databases — section
- Data Science roadmap — the full learning path