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Explain how the associations are implemented as classes. A general approach in this case is to transform an association class into a simple class linked to two original classes
how map binary relation one to one
average response time?
why older data models are being replaced by new data models.
The users who use easy-to-use menu are called ? The users who use easy to use menu are called as Naïve users.
what is view?explain
What are the advantages of DBMS ? 1. Centralized Management and Control - One of the major advantages of using a database system is in which the organization could exert, thr
What is Data Storage? The storage structures and access methods used by database system are specified by a set of explanation in a special type of DDL called data storage-defin
What Count function return in SQL? Count function within SQL returns the number of values. (Count function counts all the not null values in the exact column. If we need to cou
Explain degree of relation? Degree of a Relation - The degree or arity of a relation is the number of attributes n of its relation schema.
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