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  1. Prepare
  2. Databases
  3. Relational Algebra
  4. Basics of Sets and Relations #2

Basics of Sets and Relations #2

  1. Prepare
  2. Databases
  3. Relational Algebra
  4. Basics of Sets and Relations #2
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You are given two sets.
Set A = {1,2,3,4,5,6}
Set B = {2,3,4,5,6,7,8}

How many elements are present in ?
Only enter the correct integer in the answering box. Do not include any extra spaces, tabs or newlines.