what is a candidate keyminimal super keys are
What is a candidate key?
Minimal super keys are known as candidate keys.
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q how are the circulatory systems of animals classifieda circulatory system is classified as open or closed in open circulatory systems blood gets
q what is the kind of circulatory system present in annelidsin beings of the phylum annelida the circulatory system is closed that is blood
define tuple variabletuple variable is a type of variable whose domain is the set of all
define the term domainfor each n every attribute there is a set of permitted values known as the domain of that
what is a candidate keyminimal super keys are known as candidate
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what is a super keya super key is a set of one or more attributes that collectively permits us to recognize uniquely an entity in the entity
define- relational algebrathe relational algebra is a procedural query language it having of a set of operations that take one or two relation as
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