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Q1. For the relation R with attributes A, B, C, D and set of FDs. F = {A → BC, B → C, A → B, AB → C, AC → D}. find out the canonical cover of F.

Q2. What do you mean by shadow page recovery scheme? describe how does it compare and contrast with the log-based recovery methods in terms of ease of implementation and overhead costs?

Q3. Describe the deferred database modification. Illustrate its merits?

Q4. Describe the ACID properties of a transaction.

Q5. Describe the relative benefits of centralized and distributed databases.

Q6. prepare detail notes on any three of the given:

a) Granularity of data items.
b) Multivalued Dependency and 4NF.
c) Join Dependency and 5NF.
d) Web Databases.

DBMS, Programming

  • Category:- DBMS
  • Reference No.:- M911525

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