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What is Cross Product?
Simply Cross product is Binary Operator
What is conceptual schema? The schemas at the view level are known as subschema that describe dissimilar views of the database.
Prepare Heart Failure Registry database How are you today? Please I would like you to design a Heart Failure registry where doctors will log in to enter information about their
Preliminary entities and attributes of human resourse management database management system
Explain the ISA relationship Answer: ISA relationship - ISA notation is employed in generalization/ specialization to depict relationship among lower and higer level entity s
Which component is not included in database environment ? A users component is not included in database environment.
Define the notation for classes and atrributes The notation for class, attribute, and operations are shown below: Figure: Class with attributes and operations A
2NF Normal Form : A relation schema process R is in 2NF if it is in 1NF and each non-prime attribute A in R is fully functionally related on primary key. Second normal form (2N
What are the comparison operator in SQL? Comparison operator in SQL are =, LIKE and BETWEEN
how many hourse have been spent on a certain project
what is completeness constrent?
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