Question: If a parallel data - store is used to store two relations r and s and we need to join r and s , it

If a parallel data

-

store is used to store two relations

r

and

s

and we need to join

r

and

s,

it may be useful to maintain the join as a materialized view. What are the benefits and overheads in terms of oyerall throughput, use of space, and response time to user queries? Explain in detail.

If a parallel data-store is used to store two relations r

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Programming Questions!

If a parallel data-store is used to store two relations r and s and we need to join r and s, it may be useful to maintain the join as a materialized view. What are the benefits and overheads in terms...

If a parallel data - store is used to store two relations r and s and we need to join r and s , it may be useful to maintain the join as a materialized view. What are the benefits and overheads in...

We have a shared - nothing system with four processing nodes ( PNs ) . The ABJ algorithm is used to join two relations R and S as discussed in class, each stored in 1 0 , 0 0 0 pages. We make the...

Let A, B be sets. Define: (a) the Cartesian product (A B) (b) the set of relations R between A and B (c) the identity relation A on the set A [3 marks] Suppose S, T are relations between A and B, and...

Chapter 2 User-Centered Systems Design: A Brief History Abstract The intention of this book is to help you think about design from a user-centered perspective. Our aim is to help you understand what...

Provide a summary technical report with your own words about Pipelined Execution which is also named as Instruction Level Parallelism, addressing mainly the following areas: 1. What is Pipelined...

INTERNATIONAL REVIEW OF L AW C OMPUTERS & TECHNOLOGY , VOLUME 11, N UMBER 2, P AGES 251-261, 1997 The Data Mart: A New Approach to Data Warehousing PAM ELA PIPE Introduction Vendors have recently...

111 100% + si Case (1).pdf Coke versus Pepsi Case study: Please note that even though it is a team exercise, and you will be tempted to divide and conquer, it is extremely important that every member...

TOPIC: Business Ethics Evaluate John Mackeys paradigm of conscious capitalism and his argument that, 'There is no inherent reason why business cannot be ethical, socially responsible, and profitable....

Describe a conflict situation in which to resolve the problem you would use 1) Avoidance, 2) Defusion, and 3) Confrontation.

Assume the following for a one-year rate adjustable rate mortgage loan that is tied to the one-year Treasury rate: Loan amount: ............... $150,000 Annual rate cap: .............. 2%...

Discuss the philosophy and operation of the Bretton Woods system of adjustable pegged exchange rates.

. (20 points) Branch Instructions Write an assembly program that calculates the sum as given below. Variable n is sa register re, and the sum is saved in register r1. Please show flow chart, and...

=+ c. Now what happens to the infl ation rate when the natural rate of unemployment rises?

=+ a. In the model as developed so far, what happens to the infl ation rate when the natural rate of unemployment rises?

=+ Follow steps similar to those in the text to solve for the infl ation rate under discretionary policy.