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11. The Binary Set Operators

Like mathematical sets, but different

• 11.1. Introduction to the Binary Set Operations
  • 11.1.1. Union and Intersect: the Symmetric Operators
  • 11.1.2. Minus: the Non-Symmetric Operator
  • 11.1.3. Important Points about Union, Intersect, and Minus
  • 11.1.4. Times, another Symmetric Operator
• 11.2. Simplest Examples of Union, Intersect, and Minus
  • 11.2.1. Visualize an Example
  • 11.2.2. Union example
  • 11.2.3. Intersect example
  • 11.2.4. Minus examples
  • 11.2.5. Exercises
• 11.3. Complex Examples of Union, Intersect, and Minus
  • 11.3.1. Queries using all columns
  • 11.3.2. Queries with some, but not all columns
  • 11.3.3. Additional Exercises
• 11.4. Times
  • 11.4.1. Example 1: different bases as input relations
  • 11.4.2. Example 2: Same relation inputs
  • 11.4.3. What is the base?
  • 11.4.4. Exercises
• 11.5. Summary of Binary Set Operators

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