Skip to Main Content
Distributed Database Systems, 1st Edition by Chhanda Ray
book

Distributed Database Systems, 1st Edition by Chhanda Ray

by Chhanda Ray
May 2024
Intermediate to advanced content levelIntermediate to advanced
325 pages
12h 2m
English
Pearson India
Content preview from Distributed Database Systems, 1st Edition by Chhanda Ray
Distributed Query Processing
211
(viii) Redundant predicates are eliminated in
a. Normalization step
b. Simplification step
c. Query restructuring step
d. Analysis step.
(ix) Reduction techniques are used in
a. Query decomposition
b. Query fragmentation
c. Global query optimization
d. Local query optimization.
(x) Which of the following techniques is used in
reduction of horizontal fragmentation?
a. Reduction with selection operation
b. Reduction with join operation
c. None of these
d. All of these.
(xi) Which of the following is done in reduction
of mixed fragmentation?
a. Removal of empty relations
b. Removal of useless relations
c. Removal of ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Distributed Systems, 2nd Edition

Distributed Systems, 2nd Edition

Sukumar Ghosh
Algorithms and Data Structures for Massive Datasets

Algorithms and Data Structures for Massive Datasets

Dzejla Medjedovic, Emin Tahirovic, Ines Schweigert
Architecting Distributed Transactional Applications

Architecting Distributed Transactional Applications

Guy Harrison, Andrew Marshall, Charles Custer

Publisher Resources

ISBN: 9781282652521Publisher WebsitePurchase Link