Problem assumptionsthere are 20000 blocks on the, Ask an Expert

Engineering

Problem Assumptions:

There are 20,000 blocks on the CSC342.Person table file.

The table file is structured as a Heap file.

There is a ‘Last_Name' index on the table

The index has 4 levels.

It takes 1 millisecond to read a block from disk.

There is one person row with the last name = 'DePratti'

You want to do an equality search looking for all people with the last_name = ‘DePratti'.

How long will it take to find the block with the DePratti row?

Choose one from below

5 ms

4 ms

10 ms

20 ms

View complete question

Computer Engineering, Engineering

Category:- Computer Engineering
Reference No.:- M93091427

Have any Question?Write your Review or question?

Related Questions in Computer Engineering

Why are standards needed in data communication and

Why are standards needed in data communication and networking? What are the advantages and disadvantages of standards? How do standards fit in with regulations at the federal, manufacturing, and organizational levels? Gi ...

The expectations theory suggests thata the slope of the

The expectations theory suggests that a.) the slope of the yield curve reflects the risk premium incorporated into the yields on long-term bonds. b.)the yield curve should usually be upward-sloping. c.)the slope of the y ...

What is the supply curve how do you apply the law of supply

What is the supply curve, how do you apply the law of supply in economics?

There are sorted sequences l1 and l2 with 5 and 4 elements

There are sorted sequences L1 and L2, with 5 and 4 elements respectively. a) How many comparisons will it take to merge L1 and L2 in the best case? How many for worst case? Explain your answers. b)Let [54, 26, 93, 17, 77 ...

Answer the following questions whats the synchronous

Answer the following Questions : What's the synchronous distribution ? What are the guidelines for menu layout or list them?

Explain the two real world examples of database what are

Explain the two real world examples of database. What are they? How do people use them? Discuss at least one situation that would arise from problems in these database, such as redundant information, breach of informatio ...

Research pythons dictionary data type dict discuss its

Research Python's dictionary data type (dict). Discuss its interface and usage. Include examples. Discuss practical applications of dictionaries. And also Discuss the concepts and purpose of hashing. Include examples of ...

Task you want to calculate a students gpa for a number of

Task: You want to calculate a student's GPA for a number of classes taken by the student during a single semester. (In C# (C sharp)) Inputs: 1. the student's name 2. Class names for the classes taken by the student 3. Cl ...

Some seem to believe that we should be pure maximizers

Some seem to believe that we should be pure maximizers. Others say that we do better as constrained maximizers. Which view does David Schmidtz endorse and why?

Give a recursive algorithm that generates a similar series

Give a recursive algorithm that generates a similar series of coins for changing n cents. Don't use dynamic programming for this problem.

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Computer Engineering Expert