Join and Combine Data with SQL in PostgreSQL
Real business questions always cross these boundaries: comparing commitment by seniority, salaries by department. Relational databases are designed precisely for this.
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What's inside
7 sections- 1 Table of Contents
- 2 Fundamentals of Data Combination
- 3 Working with JOINs
- 4 Combine the results with set operations
- 5 Subqueries and CTE (Common Table Expressions)
- 6 Combine and validate results
- 7 Setting up the course database
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