Set Theory - Operator (Operations)

Relational Algebra - Expression and Operators

Relational algebra defines the relational database through a set of data operators (select, filter, join, sort, union, etc.) that defines an intermediate format for query planning/optimization. Inform "...

Set - Difference

difference is an operation between two sets. Articles Related Type Asymmetric In a asymmetric difference, the difference element come only from the first set. The asymmetric difference of 1 2 3 4 and "...

Set - Intersect

intersection is an operation between two sets Articles Related Visualisation with a venn diagram

Set Theory

A set has several interpretation: the original set that does not allow duplicate the multiset (also known as a bag) that allows duplicate This section is what's called the set theory (ie what rules "...

Set Theory - Cross Product (Cartesian product)

The cartesian product is a set operator between two set A and B that produces a set of all pairs (a, b) where: (ie a in A) and (ie b in B) Articles Related Notation Example Implementation Sql See "...

Set Theory - Relationship

The relationships between set structure is: given by a mathematical function and is described by the set operators. Articles Related List Visualisation You can visualize them with venn diagram. "...

Set Theory - Venn diagram

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