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
(a) Differentiate between the following terms:
(i) Distributed Database v/s Distributed Database management System (ii) Homogeneous Distributed Database v/s Heterogeneous Distributed Database
(b) Explain the following terminologies with regard to Distributed Database.
(i) Fragmentation (ii) Replication (iii) Transparency
(c) In the context of distributed database management systems, explain the following fragmentation rules and support your answer with an appropriate example of a Horizontal Fragmentation:
(i) Completeness (ii) Reconstruction (iii) Disjointness
a brief definition
Consistency error : These errors happen due to the inconsistent state of database caused may be due to wrong implementation of commands or in case of a transaction abort. To overc
education.
Explain Superkey Ans: A superkey is described in the relational model of database organization like a set of attributes of a relation variable for which it holds that in all re
In this practical assignment, we will run through a complete database application development cycle, starting with the schema design, from an initial data import to database applic
Shared lock or Read Lock It is requested by a transaction that needs to just read the value of data item. A shared lock on a data item does not permit an exclusive lock
aggregation
Draw an ER diagram that shows the organization of a simple student database. The database captures the information about letter grades obtained by university students who enrolled
Draw entity relationship diagram for the following scenario. A university has many departments whereas each department belongs to that particular uni. That uni has also many bui
CREATE TABLE prodtrans ( pno number (4) ptype char (1) CHECK (ptype in ('I','R','S')), qty number (5) FOREIGN KEY pno REFERENCES product (pno) ON DELETE CASCADE);
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