Question: Estimate the number of block accesses required by your solution to Exercise for r1 r2, where r1 and r2 are as defined in Exercise.

Estimate the number of block accesses required by your solution to Exercise for r1 Θ r2, where r1 and r2 are as defined in Exercise.

Step by Step Solution

★★★★★

3.39 Rating (168 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

occupies 800 blocks and r occupies 1500 blocks Let there be n pointers per index leaf block we assum... View full answer

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

Document Format (1 attachment)

Word file Icon

16-CS-DB (295).docx

120 KBs Word File

Students Have Also Explored These Related Databases Questions!

Q:

Estimate the number of Ping-Pong balls that would fit into a typical-size room (without being crushed). In your solution state the quantities you measure or estimate and the values you take for them.

Q:

Estimate the number of times a human heart beats during its lifetime.

Q:

Estimate the number of molecules in a typical automobile tire. Estimate the number of atoms?

Q:

Let relations r1 (A, B, C) and r2 (C, D, E) have the following properties: r1 has 20,000 tuples, r2 has 45,000 tuples, 25 tuples of r1 fit on one block, and 30 tuples of r2 fit on one block. Estimate...

Q:

Let the relations r_1(A, B, C) and r_2(C, D, E) have the following properties: r_1 has 20,000 tuples, r_2 has 45,000 tuples, 25 tuples of r_1 fit on one block, and 30 tuples of r_2 fit on one block....

Q:

(Query Processing) Let relation r1(A,B,C) and r2(C,D,E) have the following properties: r1 has 40000 tuples, r2 has 30000 tuples, 20 tuples of r1 fit on one block, and 10 tuples of r2 fit on one...

Q:

Let relations r 1 ( A , B , C ) and r 2 ( C , D , E ) have the following properties: r 1 has 2 0 , 0 0 0 tuples, r 2 has 4 5 , 0 0 0 tuples, 2 5 tuples of r 1 fit on one block, and 3 0 tuples of r 2...

Q:

Solve only C and D Let relations r1(A, B,C) and r2(C, D, E) have the following properties: r1 has 10,000 tuples, r2 has 15,000 tuples, 25 tuples of r1 fit on one block, and 30 tuples of r2 fit on one...

Q:

Let relations r 1 ( A , B , C ) and r 2 ( C , D , E ) have the following properties: r 1 has 2 0 , 0 0 0 tuples r 2 has 4 5 , 0 0 0 tuples 2 5 tuples of r 1 fit on one block 3 0 tuples of r 2 fit on...

Q:

4 . ( 1 0 pts ) Let relations r 1 ( A , B , C ) and r 2 ( C , D , E ) have the following properties: r 1 has 2 0 , 0 0 0 tuples, r 2 has 4 5 , 0 0 0 tuples, 2 5 tuples of r 1 fit on one block, and 3...

Q:

essay IN LIFE CHANGE IS THE ONLY CONSTANT- Introduction - Changes in our life is an inevitable part of our life which occur on the constant basis and can be seen in everyone's and in everyday life....

Q:

A Johnson and Johnson 5.65% coupon bond is yielding 2.27%. The current date is February 14, 2021 and the bond matures on June 28, 2028. How much will you earn only on the reinvestment of coupons if...

Q:

Written Reflection for boy in 9 th grade Guided by the following questions, provide your thoughts and responses in your journal: What events in your life might make you consider entrepreneurship for...

Q:

Compare and contrast the management information systems (MIS) in place in 2 distinctly different organizations. Compare each organization's use of information systems to help manage internal...

Q:

differentiate between product cost and period cost in evaluating product profitability we can ignore marketing costs because they are not considerd product costs do you agree or disagree

Q:

When other labor markets that are relatively close have higher wage rates than the local labor market, the equilibrium wage rate in the local job market will _____ and the equilibrium quantity of...

Q:

1. Explain how business ethics is interpreted by the economics department. 2. Explain the core issues in environmentalism as they relate to business activities. 3. Explain the important role played...

Q:

The portion of the population that is selected for analysis is called: (a) a sample (b) a frame (c) a parameter (d) a statistic

Q:

Based on your solution to exercise F: 1. Design an interface template. 2. Create Windows Layout Diagrams for the interface design. 3. Develop an HTML prototype. 4. Develop a real use case.

Q:

Based on the use-case diagram for the Of-the-Month- Club in exercise S in Chapter 5: 1. Develop two use scenarios. 2. Develop the interface standards (omitting the interface template). 3. Draw a WND....

Q:

SQL has no formal row array literals. Explain and justify this observation.

Q:

What do you understand by the term cardinality?

Q:

Write tuple selector invocations for a typical tuple from each of the relvars in the suppliers-parts-projects database.

Q:

PLEASE TYPE |1 9.1. Estimate the unknown parameter 0 from a sample 3, 3, 3, 3, 3, 7,7, 7 drawn from a discrete distribution with the probability mass function P(3) = 9 P(7) - 10' Compute two...