100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
CS430 Midterm 1 Exam Questions and Answers $9.99   Add to cart

Exam (elaborations)

CS430 Midterm 1 Exam Questions and Answers

 1 view  0 purchase
  • Course
  • 2024/2025
  • Institution
  • 2024/2025

CS430 Midterm 1 Exam Questions and Answers Match the component of a DBMS to its associated responsibility. A. Query optimizer B. File and access methods layer C. Buffer manager D. Disk space manager E. Transaction manager ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUB...

[Show more]

Preview 3 out of 16  pages

  • October 23, 2024
  • 16
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • 2024/2025
  • 2024/2025
avatar-seller
GraceAmelia
©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED

FIRST PUBLISH OCTOBER 2024




CS430 Midterm 1 Exam Questions and
Answers

Match the component of a DBMS to its associated responsibility.




A. Query optimizer




B. File and access methods layer




C. Buffer manager




D. Disk space manager




E. Transaction manager


Page 1/16

, ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED

FIRST PUBLISH OCTOBER 2024




F. Lock manager




G. Recovery manager - Ans:✔✔-A. Uses information about how the data is stored to produce an efficient

execution plan for evaluating the query.




B. Supports the concept of a file, which in a DBMS is a collection of pages or a collection of records.




C. Brings pages in from disk to memory as needed in response to read requests.




D. Deals with management of space on disk, where the data is stored.




E. Ensures that transactions request and release locks according to a suitable locking protocol.




F. Keeps track of requests for locks and grants locks on database objects when they become available.

Page 2/16

, ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED

FIRST PUBLISH OCTOBER 2024




G. Responsible for maintaining a log and restoring the system to a consistent state after a crash.


The types of access for a data manipulation language are: - Ans:✔✔-Insertion and deletion of data




Retrieval of information


What are the components of the query processor? - Ans:✔✔-DML Compiler




DDL Interpreter




Query Evaluation Engine


A transaction is a single operation that performs multiple logical functions within a database. - Ans:✔✔-

False


A data dictionary contains ____________________, data about data. - Ans:✔✔-metadata


Match the database users to their definition.




Page 3/16

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 GraceAmelia. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $9.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

77254 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
$9.99
  • (0)
  Add to cart