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Authorisation Authorisation is the culmination of the administrative policies of the organisation. As the name shows, authorisation is a set of rules that can be used to verif
What is DML Query Langauge? Data Manipulation Language (DML) - A data manipulation language is a language in which enables users to access or manipulate data as organized throu
Performance of Various Concurrency Control Mechanisms
What is meant by the degree of relationship set? The degree of relationship type is the number of participating entity types.
explaination
#question.ERD of any car
Consider the two relations given below Given that A is the primary key of R, D is the primary key of S and there is a referential integrity among S.A and R.A, discuss all
Define the notation for classes and atrributes The notation for class, attribute, and operations are shown below: Figure: Class with attributes and operations A
The natural join is equal to which product? The natural join is equal to Combination of projection and Cartesian product
Database Administrator One of the main perpose for having the database management system is to have control of both data or programs accessing that data. The person having li
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