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Discuss along with examples about several types of attributes present in the ER model? Types of Attributes are: • SIMPLE attributes are attributes which are drawn from the ato
Discuss how the bi-directional Implementations are made. In bi-directional implementation of the association, a pair of references must implement every link. The declarations a
Write short notes on extension and intension? In any data model, it is significant to distinguish among the description of the database and the database itself the description
explain various steps uses in evaluation and maintenance of MIS.
List some instances of collection types? a) sets b) arrays c) multisets
What's the difference between a primary key and a unique key? Both primary key and unique key enforces uniqueness of the column on which they are explained. But by default prim
What is Message switching Message switching transmits data units which can be arbitrarily long. Packet switching has a utmost packet size, if any message longer than that, it s
Describe Parameteric end users? Parametric end users might be given update access, but are commonly not permitted to change the structure of data.
Ask questiwhat is row indicator in database on #Minimum 100 words accepted#
Objectives After Reading this part, you should be able to: Explain the term CONCURRENCY; Describe the term transaction and concurrent transactions; Talk about co
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