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| Past year question papers of DOEACC - O Level, M2-R3 Business Systems Exm
Can you please give me the past year question papers of DOEACC - O Level, M2-R3 Business Systems Exam as it is very urgent for me? As you want to get the past year question papers of DOEACC - O Level, M2-R3 Business Systems Exam so here is the information of the same for you: Some content of the file has been given here: differences between database and data mining. (7x4) 2. a) Discuss various characteristics of object hierarchy and entity hierarchy? b) What is JDBC? How does it work? Explain in brief? c) How does a OODBMS exploit encapsulation in implementing support for Abstract Data Types (ADTs)? (6+6+6) 3. a) What is CORBA? Explain in brief the architecture of CORBA with special reference to ORB, IDL and protocols. b) What are the salient features of active database? How do you model an active database? c) Briefly discuss the general principles behind the C++ binding of the ODMG standards. (8+5+5) 4. a) What is the difference between constrained write and unconstrained write assumptions? Which is more realistic? b) Discuss, how serializability is used to enforce concurrency control in a database system. c) What is meant by transaction rollback? Which recovery techniques do not require any rollback? (7+6+5) 1. Answer question 1 and any FOUR questions from 2 to 7. 2. Parts of the same question should be answered together and in the same sequence. B5.2-R3 Page 2 of 2 January, 2009 5. a) Consider the following relations for a database that keeps track of business trips of sales persons in a sales office: SALESPERSON(SSN,NAME,START_YEAR,DEPT_NO) TRIP(SSN,FROM_CITY,TO_CITY,DEPARTURE_DATE,RETURN_D ATE,TRIP_ID) EXPENSE(TRIP_ID,ACCOUNT_NO,AMOUNT) i) Print the SSN of salesman who took trips of ‘ROME' ii) Print the total trip expenses incurred by the salesman with SSN=’48548’ b) How the above object-orientation can be supported in SQL? List the Characteristic features of SQL to deal with object orientation. (8+10) 6. a) FDBS (Federated Data Base) is an integration of autonomous database system. State whether FDBS is a type of Distributed Database System. Discuss various issues affecting the design of FDBS. b) SQL Extension and Extension to an OO Programming are two approaches used for Object Query Language. Compare and contrast between “SQL Extension” and “Extension of an OO Programming” language. c) “Under-estimating multiplicity can restrict the flexibility of an application in object oriented technique.” Justify your answer. (8+5+5) 7. Write short notes of any three of the followings: a) Database Authorization b) Virtual Functions and Static Functions c) Nested Transactions in OODBMS d) Distributed Updates For more detailed information I am uploading PDF files which are free to download: Contact Details: National Institute of Electronics and Information Technology Electronics Niketan, 6 CGO Complex, Jawaharlal Nehru Stadium Marg, CGO Complex, Pragati Vihar, New Delhi, Delhi 110003 011 2436 3330 India Map Location: Last edited by Neelurk; April 24th, 2020 at 11:27 AM. |
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