100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
ISQS Delgadillo Exam 3 TTU Questions and Correct Answers the Latest Update and Recommended Version $11.49   Add to cart

Exam (elaborations)

ISQS Delgadillo Exam 3 TTU Questions and Correct Answers the Latest Update and Recommended Version

 4 views  0 purchase
  • Course
  • ISQS
  • Institution
  • ISQS

Data Resource Management → -when you use technology to mange data. Database Administrator (DBA) → -Responsible for managing the data, work with programmers and systems analyst to design and implement database. → -Also work with users and managers of the firm to establish policies for ma...

[Show more]

Preview 3 out of 18  pages

  • October 19, 2024
  • 18
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • ISQS
  • ISQS
avatar-seller
TestTrackers
2 0 2 4 /2025 | © copyright | This work may not be copied for profit gain Excel!


ISQS Delgadillo Exam 3 TTU Questions
and Correct Answers the Latest Update
and Recommended Version
Data Resource Management


→ -when you use technology to mange data.


Database Administrator (DBA)

→ -Responsible for managing the data, work with programmers and systems analyst to
design and implement database.
→ -Also work with users and managers of the firm to establish policies for managing.


Why is there a demand for more and better data?

→ -competitive environment.
→ -powerful workstations that can handle data quickly.
→ -more computer literate personnel.


Equivalent of DBMS : Office

→ Database: file cabinet
→ File: file drawer
→ Record: file folder
→ Record Attributes: Report


Hierarchy of data




1|Page| GradeA+ | 2 0 0 2 5

,2 0 2 4 /2025 | © copyright | This work may not be copied for profit gain Excel!

→ -Database
→ -Files
→ -Records
→ -Attributes
→ -Characters
→ -Bits


Database


→ -Integrated collection of logically related data elements.
→ -Personnel File, Payroll File, Department File


File

→ -(e.g. personnel file)
→ ◦ 098-40-1370 Clooney, George 1-20-2010
→ ◦ 594-39-3948 Kidman, Nicole 3-24-2009
→ ◦ 234-34-3483 Hanks, Tom 2-02-2009
→ ◦ 457-74-3854 Winslet, Kate 1-23-2009


Record

→ -(Record containing SSN, Last and
→ First name, Hire date)
→ -594-41-3955 Bullock, Sandra 4-24-07


Attribute


→ -(last name)
→ ◦ Bullock
→ -Characters (bytes)
→ ◦ 01100010 (Letter "B" in Binary Code)




1|Page| GradeA+ | 2 0 0 2 5

, 2 0 2 4 /2025 | © copyright | This work may not be copied for profit gain Excel!

Bits

→ - 0 or 1


flat file

→ -A table storing all database information in one large two-dimensional table.


Traditional approach disadvantages


→ - you have to change your address at every place where everyone has their own file
on you.
→ -Data are stored, organized and processed in independent files
→ -Data duplication- everyone has your address.
→ -Lack of integration- its impossible to combine two different databases or files.
→ -data dependence- when you change files you have to change program.


Database approach


→ -when you need to change an address now just change it on raider link. Its from one
central location.
→ -files are consolidated into a common pool of records available to many different
application programs.
→ -requires the use of a database management system.


advantages of database approach

→ -minimal data redundancy (data duplication minimized)
→ data integration
→ -program-data independence (no data dependence)


hierarchal model




1|Page| GradeA+ | 2 0 0 2 5

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller TestTrackers. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $11.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

75632 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$11.49
  • (0)
  Add to cart