100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
WGU C170 SQL Data Management Exam Questions Terms with Accurate Answers 2024/2025 $11.49   Add to cart

Exam (elaborations)

WGU C170 SQL Data Management Exam Questions Terms with Accurate Answers 2024/2025

 5 views  0 purchase
  • Course
  • WGU 170
  • Institution
  • WGU 170

WGU C170 SQL Data Management Exam Questions Terms with Accurate Answers 2024/2025 cross join - correct answer cartesian product of T1 and T2 USING - correct answer returns only rows with matching values in column indicated ON - correct answer returns rows that meet specified join condition...

[Show more]

Preview 2 out of 10  pages

  • August 30, 2024
  • 10
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • WGU 170
  • WGU 170
avatar-seller
KieranKent55
WGU C170 SQL Data Management Exam
Questions Terms with Accurate Answers
2024/2025

cross join - correct answer cartesian product of T1 and T2


USING - correct answer returns only rows with matching values in column indicated


ON - correct answer returns rows that meet specified join condition


subquery can return: - correct answer single value (1 column, 1 row)


list of values (1 column, multiple rows)


virtual table (multicolumn, multirow)


union - correct answer combines 2 similar tables, returns distinct rows


union all - correct answer combines 2 tables, returns ALL rows


intersect - correct answer returns rows that both query returns


minus - correct answer returns unique rows of only FIRST query


video and audio files - correct answer blob
mediumblob
longblob

, binary files


SQL performance tuning - correct answer CLIENT side


fastest way to get SQL query to return correct answer


DBMS performance tuning - correct answer SERVER side


fastest way to responding clients requests


table scan - correct answer reads table sequentially


slowest


table access - correct answer row ID


fastest


5 things that causes bottleneck - correct answer RAM
CPU
hard disk
network
application mode


hash index - correct answer index based on ordered list of hash values
fast and simple


LNAME="Scott" and FNAME="Shannon"

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 KieranKent55. 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)

80202 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