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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 is foreign key? A relation schema r1 derived from an ER schema may contain among its attributes the primary key of another relation schema r2.this attribute is known as a
1 NF Normal Form The domain of attribute must add only atomic (simple, indivisible) values First normal form (Minimal Form or 1NF) is a normal form need in database normalizat
Competition entrants can be either Individuals, or Teams. A Team is usually sponsored by a business, and, in that case, the team members would all wear T-shirts with the sponsoring
Physical Database Design Issues The database design includes the process of logical design with the use of E-R diagram, normalisation, etc., followed by the physical design.
Question: (a) What are the challenges in the development of Large Scale Distributed Real Systems? (b) What is backward engineering and forward engineering in a design packa
#Use the following database schema: 1) Patient—PatientID, Name, DOB 2) Doctor—DoctorID, Name, MedLicenseNumber, Phone 3) Medication—MedicationID, BrandName, GenericName 4) Prescrip
A file of employee have 10,000 blocks on a cylinder of a disk with characteristics r=8ms and btt=0.6ms I want to know the cost of read inthe file under following conditions for a q
Produce a set of relations (equivalent to the Finkelstein entity list) in third normal form (3NF) from the following un-normalised relation. You must use the Finkelstein methodolog
Suppose that in an organisation, an employee may do different roles in dissimilar projects. Say, RAM is doing coding in one project and doing designing in another. Suppose that the
For the relations R and S given below: R S A B C 1 4 7 2 5 8 3 6 9
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