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Beginner About 25 min
JOINs Deep Dive
Combine rows from multiple tables with INNER, LEFT, RIGHT, and FULL OUTER JOIN.
What you'll learn
- Combine rows from two tables with INNER JOIN
- Keep unmatched rows with LEFT, RIGHT, and FULL OUTER JOIN
- Join on multiple conditions and multi-column keys
- Write self-joins to compare rows within the same table
- Chain three or more tables in a single query