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NEED FOR A DATABASE MANAGEMENT SYSTEM
A Database is a structured, persistent collection of data of an organisation. The database management system (DBMS) manages the database of an enterprise. But why do we need the database management system? To explain it, let us first discuss the alternative to it that is the file-based system.
It defines that the tuple in one relation that refers to another relation must refer to an existing tuple in that relation. This constraint is states on two relations (not essentia
explain various steps uses in evaluation and maintenance of MIS.
Hierarchical
domain
Difference between LEFT OUTER JOIN and RIGHT OUTER JOIN In left outer join tuples from the left-hand-side relation which do not match any tuple in the right-hand-side relation
give some example real-life situations where DBMS are most suiitabe
Although how will the system recover The selection of REDO or UNDO for a transaction for the recovery is completed on the basis of the state of the transactions. This state is
What is disadvantage of multiple inheritances? There is potential ambiguity if the similar variable or method can be inherited from more than one superclass.eg: student class m
01a_Broadway_LastFirst_yyyy-mm-dd Capstone Exercises You work as a production assistant in the office of the Green Man Theatre. One of your duties is to maintain the company datab
Need a sample of a clinic database relationships
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