Introduction
Course introduction
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Agenda
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Setting expectations
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1. What Is Relational Division?
Relational algebra
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Cartesian product
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Relational division
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The HR demo database
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2. The Aggregation Technique
Relational division using aggregations
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Challenge: Exact relational division
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Solution: Exact relational division
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3. The Set Operator Technique
Relational division using set operators
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Challenge: Exact relational division
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Solution: Exact relational division
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4. The Nested Subqueries Technique
Relational division using nested subqueries
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Challenge: Exact relational division
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Solution: Exact relational division
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5. Multiple Divisors and Zero Divisions
Multiple divisors
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Zero divisions
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Challenge: Exact division
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Solution: Exact division
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Conclusion
The pros and cons of these techniques
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Next steps, feedback solicitation, and goodbye
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Ex_Files_Adv_SQL_Relational_Div.zip
(27 KB)