100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Previously searched by you
Previously searched by you
logo
WGU D426 Objective Assessment (Latest 2023/ 2023 Update) Data Management Foundations | Questions and Verified Answers|100% Correct| Grade A CA$15.28   Add to cart
Quickly navigate to
Preview
  2.  
  3. WGU D426
  4.  
  5. WGU D426

Exam (elaborations)

WGU D426 Objective Assessment (Latest 2023/ 2023 Update) Data Management Foundations | Questions and Verified Answers|100% Correct| Grade A

2 reviews
 274 views  3 purchases
  • Course
  • WGU D426
  • Institution
  • WGU D426

WGU D426 Objective Assessment (Latest 2023/ 2023 Update) Data Management Foundations | Questions and Verified Answers|100% Correct| Grade A Q: The storage manager translates Answer: the query processor instructions into low-lev- el file-system commands that modify or retrieve data Q: D...

[Show more]

Preview 4 out of 38  pages

Document information

  • November 21, 2023
  • 38
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

Subjects

  • wgu d426 objective assessment latest u
  • the analysis phase specifies
  • the storage manager translates answer the query
  • wgu d426d426 data management foundationsd426 oa
  • d426wgu d426 data management foun

Written for

  • WGU D426
  • WGU D426

2  reviews

review-writer-avatar

By: bgibix • 5 months ago

This contains no questions

review-writer-avatar

By: lizreckow • 7 months ago

Seller

avatar-seller
nurse_steph

Reviews received

Content preview

WGU D426 Objective Assessment (Latest 2023/ 2023 Update) Data Management Foundations | Questions and Verified Answers|100% Correct| Grade A Q: The storage manager translates Answer: the query processor instructions into low -lev- el file -system commands that modify or retrieve data Q: Database sizes range from Answer: from megabytes to many terabytes, Q: the storage manager uses what to quickly locate data Answer: indexes Q: Metadata is Answer: data about the database, such as column names and the number of rows in each table. Q: A relational database stores Answer: data in tables, columns, and rows, similar to a spreadsheet. Q: All relational database systems support what query language model Answer: SQL Q: Relational systems are ideal for Answer: databases that require an accurate record of every transaction, such as banking, airline reservation systems, and student records. Q: The newer non -relational systems are called Answer: NoSQL, for 'not only SQL' Q: NoSQL, for 'not only SQL' is optimized for Answer: big business Q: MongoDB is what type of database Answer: NoSQL Q: An SQL statement is a Answer: database command, such as a query that inserts, selects, updates, or deletes data: Q: INSERT Answer: inserts rows into a table. Q: SELECT Answer: retrieves data from a table. Q: UPDATE Answer: modifies data in a table. Q: DELETE Answer: deletes rows from a table. Q: The SQL CREATE TABLE statement creates Answer: creates a new table by specify - ing the table and column names. Q: Each column is assigned a data type that indicates Answer: the format of column values. Data types can be numeric, textual, or complex Q: INT Answer: stores integer values. Q: DECIMAL Answer: stores fractional numeric values. Q: V ARCHAR Answer: stores textual values Q: DATE Answer: stores year, month, and day. Q: For large, complex databases, the process has three phases Answer: 1.Analysis 2.Logical design 3.Physical design Q: The analysis phase specifies Answer:

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 nurse_steph. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for CA$15.28. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

76449 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
CA$15.28  3x  sold
  • (2)
  Add to cart