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Probelm:
a) In the context of OODBMS, define the following terms with appropriate examples.
(i) Object class. (ii) Abstract class. (iii) Aggregation. (iv) Overriding.
b) Parallelism deals with the issue of processing two or more activities in parallel.
(i) Flynn's taxonomy uses the relationship of program instructions to program data. Explain briefly on any one category of the Flynn's classification. Support your answer with appropriate diagram.
(ii) Distinguish between multiprocessing systems and multiprogramming systems. Support your answer with appropriate diagram.
(iii) Explain briefly any two needs of parallel database.
(iv) Briefly explain three advantages of parallel database.
What are the responsibility of File manager? File Manager : Manager allocation of space on disk storage and the data structures used to represent within stored on disk. It is a
Every School has many teachers and many students. Each student is assigned to one school and each teacher works for one school only. Each teacher teaches more than one subject but
Problem : AirwaysCentre, an international airline booking company currently uses a relational database system for their operations, which includes the following relations: P
Explain DML with some examples? DML - Data Manipulation Language: statements used for managing data within schema objects. Some examples: • SELECT - retrieve data from the a da
Cardinality of Relationship One-to-One Only one entity of the first set is linked to only one entity of the second set. E.g. A teacher teaches a student. Only one teacher
The natural join is equal to which product? The natural join is equal to Combination of projection and Cartesian product
Determine the Strong and Weak Entity Based on the method of foreign key, there might be arise a situation when we have to relate an entity having a primary key of its own and a
What is the way a particular application views the data from the database that the application uses? Sub schema is the way a particular application views the data from the data
What is deadlock? How can it be avoided? How can it be resolved once it occurs? Deadlock happens when two transactions are each waiting on a resource that the other transaction
Problem: (a) Data mining is one of the best ways to analyse data and using software techniques, hidden and unexpected patterns and relationships in sets of data can be extrac
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