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please describe the data base management with the easy example &give the application?
Explain the Project-Join normal form A relation R is in PJNF along with respect to a set of functional dependencies D if for all join dependencies of the outline *(R 1 , R 2 ,
need a DBMS system on any data for assignment.
Describe five main functions of a database administrator. Ans: A database administrator (DBA) is a person who is accountable for the environmental aspects of a database. Genera
What are axioms? Axioms or rules of inference give a simpler technique for reasoning about
Describe briefly models which define the operations on classes. The three models which are used to define operations on classes are as: Object Model = data dictionary + Obje
What is a relationship called when it is maintained between two entities? A relationship is called Binary relationship when it is maintained between two entities.
explain the level architectures of the database management system
Which operation is used if we are interested in only certain columns of a table? PROJECTION operation is used if we are interested in only certain columns of a table.
how draw er diagram
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