define the terms i entity set ii relationship
Define the terms i) Entity set ii) Relationship set
Entity set: The set of all entities of the similar type is termed as an entity set.
Relationship set: The set of all relationships of the similar type is termed as a relationship set.
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what are attributes give examplesan entity is shown by a set of attributes attributes are descriptive properties possessed by every member of an
q are nematodes triploblastic or diploblastic animalsjust like platyhelminthes nematodes are triploblastics that is they present three germ layers
what is relationship give examplesa relationship is an association between several entitiesexample a depositor relationship associates a customer
q what is the major evolutionary innovation presented by nematodes what is the benefits of that innovationthe major evolutionary innovation of
define the terms i entity set ii relationship setentity set the set of all entities of the similar type is termed as an entity setrelationship set
define single valued and multivalued attributessingle valued attributes attributes with a single value for a particular entity are known as single
q compared to platyhelminthes which physiological problems have the cylindrical body of nematodes brought how was that problem solvedthe cylindrical
what are stored and derived attributesstored attributes the attributes keeps in a data base are known as stored attributesderived attributes the
q how does the excretory system of nematodes workthe metabolic residuals of nematodes are together by two longitudinal lateral excretory channels
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