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Define the terms i) Entity type ii) Entity set Entity type: An entity type describes a collection of entities that have the similar attributes. Entity set: The set of all en
define anomalies and different types of anomalies with example
Distributed query and transaction processing a. Construct a query around any one of the functional divisions you made in 4a such that if executed in the distributed design of 4
Define Assertions in SQL a. An assertion is a predicate that is expressing a condition we wish the database to always satisfy. b. Domain constraints, functional dependency
Illustrate how you can use QBE to perform logical AND and OR operation
education.
Explain Domain calculus Domain calculus is one of the types of the relational calculus. The formal specification of the domain calculus was planned after the development of the
How do I begin
how the string works as keyword?
What is a primary key? Primary key is chosen by the database designer as the principal means of identifying an entity in the entity set.
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