what is an entity relationship modelthe entity
What is an entity relationship model?
The entity relationship model is a set of basic objects known as entities and relationship between those objects. An entity is a thing or object in the actual world that is distinguishable from other objects.
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q cnidarians and poriferans do not have excretory systems do platyhelminthes have an excretory systemplatyhelminthes have a primitive excretory
define external broaching - types of broachingexternal broaching is employee for machining a flat surface the broach is in the form of a small length
q what are instances of nematodesascaris filaria and hookworm all parasites of humans are instance of nematodes also known as roundwormsq are
q what is the usual morphological feature of nematodes that differentiates them from platyhelminthesnematodes are also called as roundworms as the
what is an entity relationship modelthe entity relationship model is a set of basic objects known as entities and relationship between those objects
q what are the morphological differences and similarities between nematodes and annelidsnematodes like annelids have a cylindrical elongated body
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
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