Question: Explain why the average search time to find a record in a file is shorter for an indexed sequential file than for a sequential file.

Explain why the average search time to find a record in a file is shorter for an indexed sequential file than for a sequential file.

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 Databases Questions!

Q:

QUESTION 11 1.The _____ method for accessing files is effective when a large number of records are processed less frequently, perhaps on a quarterly or yearly basis. a. random access file structure...

Q:

Lesson 12 Quiz (Show/Explain all Work) IST 230 Relations on Sets, Databases 1. Let A = {0, 1, 2, 3, 4, 5, 6, 7, 8} and B = {1, 2, 3, 4, 5, 6, 7, 8}. Now let R be a binary relation R from A to B such...

Q:

ttth Suppose that the sequence of bags {Bn | n N} is recursively enumerated by the computable function e(n, x) = fn(x), [7 marks] Hence prove that the set of all recursive bags cannot be recursively...

Q:

A creative engineer suggests structuring the TLB so that not all the bits of the presented address need match to result in a hit. Suggest how this might be achieved, and what might be the costs and...

Q:

PLEASE HELP!! UPVOTE GUaRANTEED! package a7; import java.util.Arrays; import java.util.Random; /** * This class has methods to compare the performance of sequential search and * binary search. * */...

Q:

T Problem: This program will read in a large US Coast Guard database of ship position information from the Automatic Identification System (AIS)1. The student provided functions will: Prompt the user...

Q:

Give brief and clear answers to the following: NOTE: THE ANSWER SHOULD BE MORE THAN FIVE LINES AND WITH CLEAR EXPLANATION. (a) Explain how hashing can be used to build an index (b) Explain why a...

Q:

s1 educated (SSE) student for every three public school educated (PSE) students. Reasoning that students are not very dissimilar from threads, he suggests the following entry and exit routines be...

Q:

Your assignment is to write a program that implements B+ tree indexing. It will read a text file containing data and build the index, treating the first n columns as the key, where n will be...

Q:

Problem: This program will read in a large US Coast Guard database of ship position information from the Automatic Identification System (AIS)1. The student provided functions will: Prompt the user...

Q:

The costs of purchasing 10,000 gallons of direct materials and processing it up to the split-off point to yield a total of 9,500 gallons (shrinkage of 500 gallons) of salable product was $975,000....

Q:

When n identical mercury droplets charged to the same potential V coalescence to form a single bigger drop. The potential of the new drop will be - (b) nV (c)nV V n (d) n/v

Q:

The borrower gives the lender a deed of trust. Is this a lien theory or title theory

Q:

Question 4 1 ptsHow does the Leader - Member Exchange model differ from other leadership

Q:

Should civil service employees be allowed to unionize? Why?

Q:

Is testing the best way to identify the best candidate for a job? Why or why not?

Q:

Describe the principal hazards in espousing a policy of development from within an organization while aggressively recruiting from the outside.