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set - A collection of well defined and distinct objects. eg:emp={001,002,003,004....}
Relation - table(employee)
tuple -row(which employee)
attribute-column(details about that employee)
set theory says what all can be done with relation(table) with various operators
union ,intersection,=,!=,<> etc
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Earn +20 ptsQ: What is the contribution of set theory in rdbms?
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What is domain in rdbms?
• Domain is the set of allowable values for one or more attributes.
What is the difference between classical set theory and fuzzy set theory?
Classical theory is a reference to established theory. Fuzzy set theory is a reference to theories that are not widely accepted.
Who founded set theory?
Set theory was founded by Georg Cantor in 1873.
Who does the set theory explain about sets?
Who: Basically, the set theory was developed by Georg Cantor.
Prove the demorgan's laws for crisp set theory?
prove the intersction for crisp set theory
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