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What is conceptual schema?
The schemas at the view level are known as subschema that describe dissimilar views of the database.
does tables are called relations
what is Lossless-join decomposition
Isolation or Independence : The isolation property shows that the updates of a transaction should not be visible till they are committed. Isolation assurance that the progresses of
What is a dataset? A dataset is an in-memory database that is disconnected from any regular database, but has all the significant characteristics of a regular database. Dataset
Explain the Relational Completeness Codd described the term relational completeness to consider to a language that is complete with respect to first-order predicate calculus ex
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What is called an evaluation primitive? A relational algebra operation annotated with instructions on how to evaluate is known as an evaluation primitive.
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Attributes and its types explain?
what is the relationship between receipt and owner entities in computer sales and service company
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