Question: Assume that a student table in a university database had an index on StudentID (the primary key) and indexes on Major, Age, MaritalStatus, and HomeZipCode

Assume that a student table in a university database had an index on StudentID (the primary key) and indexes on Major, Age, MaritalStatus, and HomeZipCode (all secondary keys). Further, assume that the university wanted a list of students majoring in MIS or computer science, over age 25, and married OR students majoring in computer engineering, single, and from the 45462 zip code. How could indexes be used so that only records that satisfy this qualification are accessed?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

A row selection qualification clause will be used WHERE Major MIS or Major Co... View full answer

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!

Assume that a student table in a university database had an index on StudentID (the primary key) and indexes on Major, Age, MaritalStatus, and HomeZipCode (all second- ary keys). Further, assume that...

Task 2 [11 marks] using the Pulse Learning database For task 2, we have provided you with the creation script for the Pulse Learning database. You must run this script in MySQL Workbench and use this...

True-False Questions 1. Normalizing accounting data refers primarily to eliminating errors and outliers, thus creating ?normal data.? 2. An important reason for normalizing data is to eliminate data...

Question1 (40 marks) Refer to Table 1. Write the Excel formula for each cell marked with "" in column C such that formula could be copied and pasted into columns D and E using Microsoft Excel without...

Consider the following schema for a university database. and suppose you know that the following queries are the five most common queries in the workload for this university and all five are roughly...

Assume we have the following information about the University database: All tables are stored in packed form in blocks of length 4096 bytes. Student has 10,000 tuples, each 200 bytes long. It is...

Find the read cost only of Class |x| Enroll using nested loops with: 1 - Class as the outside loop and buffer size of only two blocks 2 - Enroll as the outside loop and buffers size of two blocks 3 -...

Assume we have the following information about a University database: All tables are stored in packed form in blocks of length 4096 bytes. Student has 10,000 tuples, each 200 bytes long. It is hashed...

a. Nationally, the population as a whole watches 6.2 hours of TV per day. A random sample of 1,017 senior citizens report watching an average of 5.9 hours per day, with a standard deviation of 0.7....

Read casestudy and write a paper Many of you have been inundated with news coverage of the Jan. 6th insurrection at the Capitol. However, you may not be aware that this was the first time the U.S....

Net working capital is equal to Blank _ _ _ _ _ _ . Multiple choice question. all assets minus all liabilities income minus expenses fixed assets minus long - term liabilities current assets minus...

Why does fiscal policy have a smaller effect on aggregate demand the greater the crowding-out effect?

How should organizations allocate grid computing resources so they address only important research projects?

What would be the advantages for a university computer lab to install thin clients rather than standard desktop personal computers? Can you identify any disadvantages?

What is a quad-core processor? What advantages does it offer users?

A contractual right to pay cash or another financial asset to another party is a financial asset. Select one: True O False

Sara Hall is the production manager of a specialty toy manufacturer. The business has grown significantly over the past several years. As the company grows, Sara has found it more difficult to manage...

Cullumber Supply Corporation provided the following schedule detailing the changes in the shareholders' equity accounts during 2023 and 2024, 2024 2023 Number Number of Shares Amount of Shares Amount...