Data type is a classification that specifies which type of value a variable has and what type of mathematical,relational,or logical operations can be applied to it without causing an error e.g String, Double,Float etc.
mzitoh123 answered the question on March 3, 2018 at 06:59
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March 1, 2018
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March 1, 2018
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March 1, 2018
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March 1, 2018
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March 1, 2018
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A union, intersection or difference can only be performed between two relations if they are type compatible. What is meant by type compatibility? Give an...
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A union, intersection or difference can only be performed between two relations if they are type compatible. What is meant by type compatibility? Give an example of two type compatible and two non type compatible relations?
Date posted:
March 1, 2018
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Bring out the reasons why relational model became more popular?
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March 1, 2018
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Mention the pros and cons of relational data model?
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Give an example of supertype/subtype relationship where the overlap rule applies?
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March 1, 2018
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What is inheritance in generalization hierarchies?
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March 1, 2018
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