FREE Trial
Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Q4. Suppose we have the following relations: R(A,B,C) and S(D.E.F). Assume that R uses 500 blocks on disk, and S uses 6,000 blocks. Assume that

image text in transcribed

Q4. Suppose we have the following relations: R(A,B,C) and S(D.E.F). Assume that R uses 500 blocks on disk, and S uses 6,000 blocks. Assume that you got the best possible hash function and there are no overflows for the hash. Assuming that there are 102 blocks of memory space for query processing, what is the least cost in terms of disk block IOs) for partition hash join for the query R JOINC=D S

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

The Database Factory Active Database For Enterprise Computing

The Database Factory Active Database For Enterprise Computing

Authors: Schur, Stephen

1st Edition

0471558443, 9780471558446

More Books

Students also viewed these Databases questions

Question

Should emojis or emoticons have a place in business communication? Debate: Half the group should argue for; the other half should speak against their use.

Answered: 1 week ago

Question

★★★★★
Recently, Phil Harris, the production control manager at Brunswick, read an article on time- phased requirements planning. He was curious about how this technique might work in scheduling Brunswicks...

Answered: 1 week ago

Question

★★★★★
Q4. Suppose we have the following relations: R(A,B,C) and S(D.E.F). Assume that R uses 500 blocks on disk, and S uses 6,000 blocks. Assume that you got the best possible hash function and there are...

Answered: 1 week ago

Question

★★★★★
Suppose you are attempting to value a 1-year expiration option on a stock with volatility (i.e, annualized standard deviation) of o 0.49 1period of 1 year . b. 4 subperiods, each 3 months. 12...

Answered: 1 week ago

Question

★★★★★
4.- In a print run of 2500 books, it is estimated that the probability of having a badly bound book is 0.01%. Calculate the probability that the print run has two books with bad bindings. What is the...

Answered: 1 week ago

Question

★★★★★
Why does Barcelona COO Scott require managerial candidates write an essay about their experiences on the stage two "shop?" to determine the candidate's experience working with others to determine the...

Answered: 1 week ago

Question

★★★★★
Number 1 and 2 show all work please ? 1) Based on the graph below estimate the instantaneous velocity at the following times: (a) 1.0 s; (b) 2.5 s; (c) 3.5 s; (d) 4.5 s; (e) 5.0 s; x (m) 15 10 5 0 t...

Answered: 1 week ago

Question

★★★★★
5. Can you think of an example of another contentious issue that has been framed in an "either- or" way? What would be an ethically ideal way to resolve this issue and why?

Answered: 1 week ago

Question

★★★★★
What is a verb?

Answered: 1 week ago

Question

★★★★★
Question What is a Roth 401(k) feature?

Answered: 1 week ago

Question

★★★★★
Question What kinds of organizations can adopt Section 401(k) plans?

Answered: 1 week ago

Question

★★★★★
Question Can employees make contributions to a profit sharing plan?

Answered: 1 week ago

Previous Question Next Question