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Explain Object oriented Model ?
Object Oriented Model - This model is based on the object-oriented programming language paradigm. It involves the features of OOP such as inheritance, encapsulation, object-identity, etc. It also supports a rich category system, involving structured and collection types.
Discuss the types of integrity constraints in which must be checked for the update operations - Insert and Delete. Give examples. Insert operation can violet any of the subse
What is the use of Union and intersection operation? Union: The result of this operation contains all tuples that are either in r1 or in r2 or in both r1 and r2.Duplicate tuple
List the types of authorization. A) Read authorization B) Write authorization C) Update authorization D) Drop authorization
Normal 0 false false false EN-US X-NONE X-NONE
Explain the functions of data manager? Functions of Data Manager : - Convert operations in user's queries coming directly through query processor or indirectly in an applicatio
A database to track your progress in your college program will track your progress towards graduation! A database that has information containing the classes that you have taken, c
A Relation Schema represented by R(A1, A2, ..., An) is made up of the relation name the list of attributes and R Ai that it contains. A relation is described as a set of tuples
what is attribute is attribute inheritance in dbms?
What is a PROJECT operation? The project operation is a unary operation that returns its argument relation with particular attributes left out. Projection is shown by pie (π).
The primary key is selected from the
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