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CIT427

Question:	DBMS organizes data in
a tabular form.
Answer:  Relational

Question: In mapping cardinalities, An entity in A is associated with at most one entity in B and vice versa is refered to
Answer:  one - to - one

Question: Instances correlate with programming languages as	
Answer:  value of a variable

Question:
Mapping.
depicts a many -to-one
Answer:  An entitiy in A is associated with at most one entity in B

Question:	enable DBMS to interact
with the data without causing damage to the integrity of the data itself.
Answer:  Data structures

Question: The following are two common types of Object-based logical models
Answer:  Entity - Relationship and Object Oriented

Question: Another name for a relation is
Answer:  table

Question:	is the information in a
database at a particular point in time.
Answer:  Instance

Question: Schemes correlate with programming languages as	
Answer:  data type definition

Question:	is the ability to modify
the physical scheme without causing application programs to be rewritten.
Answer:  Physical data independence

Question:	consist of data about
data called data dictionary.
Answer:  Metadata






Email: bbcnoun@gmail.com
Whatsapp: 08131667008