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!
Question:
In relation to distributed database answer the following questions:
(i) Give a brief definition of distributed database. Support your answer with an appropriate diagram that shows the major component of the distributed database.
(ii) Differentiate between homogeneous distributed database and heterogeneous database system and explain which one will be appropriate for a company which has been using a database for the past 30 years and who now, wants to implement a distributed database.
(iii) Describe briefly two transparency features that exist in a distributed database environment.
(iv) Differentiate between horizontal partitioning and mixed partitioning with appropriate example.
(v) Briefly describe any three advantages of replication.
For every multivalued attribute 'A', we make a new relation R that contains an attribute corresponding to plus the primary key attribute k of the relation that shows the entity typ
What are the DBMS languages? Briefly explain? Data Definition language (DDL):A database schema is specified through a set of definitions expressed through a special language
Use inheritance as an implementation technique when you are going to use inheritance as an implementation technique, you can achieve same goal in a safer way by making one cla
What is assertion? Mention the forms available. An assertion is a predicate expressing a condition that we wish the database always to satisfy. Domain integrity constraints.
We define a view in SQL through using the create view command. To describe a view, we must provide the view a name and must state the query in which computers the view. The form of
explain normalization,and give the examples 1NF,2NF,3NF,BCNF.AND FUNCTIONAL DEPANDENACY AND DECOMPOSITION TECHNIQUES.
Define average latency time. The average latency time of the disk is one-half the time for a full rotation of the disk.
Drawbacks of Data Distribution: The primary drawbacks of distributed database systems are the added complexity needed to ensure proper coordination between the sites. This increas
What is known as heap file organization? In the heap file organization, any record can be placed anywhere in the file where there is space for the record. There is no ordering
, write the relational schema, and draw the new dependency diagrams. Identify the normal forms for each table structure you created
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