Set Theory - Union

Venn Diagram

Language implementation

SQL

Sql - Union

Relational Algebra

Relational Algebra - Union operator





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Venn Diagram
Set Theory - Operator (Operations)

operator in Set Theory that applies to set structure (set, bag) A data operator produce another set. All relational algebra operator are set-operator. A relationship operator produce...
Venn Diagram
Set Theory - Venn diagram

The familiar Venn Diagrams is used to visualize illustrate set operations such as: set intersection and set union.



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