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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 entities of the similar type is termed as an entity set.
What is Cross Product? Simply Cross product is Binary Operator
#question benefits and limitations of data models..
Lossless-Join Decomposition Let us show an intuitive decomposition of a relation. We require a better basis for deciding decompositions since intuition may not always be r
What is D command work in the respect of QBE? D: It is the command inside QBE to delete tuple(s) from the relation.
Which component is not included in database environment ? A users component is not included in database environment.
A collection of a same kind of entities is known as an Entity Set or entity type. Example: For the COLLEGE database defines earlier objects of concern are Students, Faculty,
What are the comparison operator in SQL? Comparison operator in SQL are =, LIKE and BETWEEN
a need some real life examples of database management systems three level of ANSI SPARC architecture life teacher and student ,company and employee or for NGO etc.
Why older data models are being replaced by new data modelling 100 words accepted#
What is the aim of object design The aim of object design is to identify object which the system contains and the interactions among them. The system implements specification
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