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
Describe entity referential integrity and integrity. Give an example of each. Entity Integrity Rule - If there is a attribute A of relation R is a prime attribute of R then A
Define garbage collection. Garbage may be formed also as a side effect of crashes. Periodically, it is essential to find all the garbage pages and to add them to the list of fr
Mention the various user privileges All privileges directly granted to the user or role. All privileges granted to roles that have been granted to the user or role.
You are required to program (in a high level language such as C, C++, Java) and implement a cache simulator which will have the following inputs and outputs:- INPUTS
losers with new information systems
Explain the Aggregation implies concurrency Concurrency actually is: This in objects can be identified by the way they change state. Present objects can change state independen
how the string works as keyword?
Explain five duties of Database Administrator? 1. DBA administers the three stages of the database and, in consultation along with the whole user community, sets up an defin
Define the terms i) DDL ii) DML DDL: Data base schema is specified by a set of definitions expressed by a special language known as a data def
Durability : This property necessitates that once a transaction has committed, the changes made by it be never lost because of subsequent failure. Thus, a transaction is also a bas
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: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd