Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
A distributed database is defined as "a collection of multiple logically interrelated database which are physically distributed over a computer network"
(a) Give any three advantages of implementing a distributed database system.
(b) Provide any two difficulties that database designer has to face when implementing a distributed database system.
(c) The components of a Distributed Database include the following: Network Processor, Remote data processor, Data dictionary, and local data processor. Explain the function of each of the above components.
(d) Differentiate between a Homogeneous Distributed Database and a Heterogeneous Distributed Database.
(e) In the context of distributed database, explain the term „Fragmentation?
(f) Briefly discuss why data fragmentation could be useful in such distributed database systems, and explain each of the following fragmentation rules:
- Completeness- Reconstruction- Disjointness
Problem 1 Why are the operational system keys not recommended for forming data warehouse primary keys? Give any two examples 2 Explain the following performance tuning techn
Use of partial data by applications : In common, applications work with views rather than whole relations. Thus, it may be more appropriate to work with subsets of relations rather
All edges of a cube are expanding at a rate of 6 centimeters per second. How fast is the surface area changing when each edge is (a) 2 centimeters and (b) 10 centimeters?
What are the several kinds of the update operations on relations? Also explain the constraints on these update operation. Give instance in support of your answer. There are th
Define physical image of a global relation at a site
In the first unit of this block, you have been given with the details of the Database Management System, its structure, advantages etc. This unit is an attempt to give you informat
Explain the shadow paging recovery technique. Ans: Shadow paging is a method used to acquire atomic and durable transactions, and provides the capability to manipulate pages i
Define upgrade and downgrade? It gives a mechanism for conversion from shared lock to exclusive lock is called as upgrade. It gives a mechanism for conversion from exclusive
random file orgnization
The Incident table, with an auto-incrementing incident number, etc, looks like: incident_num reporter date time incide
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd