Exam (elaborations)
ISDS 3003 Final Exam Review(latest update)questions & answers
- Course
- Institution
ISDS 3003 Final Exam Review(latest update)questions & answers
[Show more]
Content preview
ISDS 3003 Final Exam Review(latestupdate)questions & answers
A relational database is ________
A. a self-describing collection of related tables
B. a library of queries and data files for querying
C. a set of applications and the data sets for those applications
D. a set of metadata
E. a collection of forms and reports that support a given purpose - correct answer ✔✔a self-describing
collection of related tables
Data mining applications are used to accomplish all of the following tasks except ________
A. incorporate results into some other report/system
B. facilitate decision making
C. classify entities
D. make predictions
E. perform what-if analysis - correct answer ✔✔classify entities
Business Intelligence (BI) reporting systems can do which of the following operations?
A. Filter data
B. Group data
C. Modify data
D. Both Filter data and Group data
E. Secure data - correct answer ✔✔Both Filter data and Group data
, A relational database stores data in the form of ________
A. forms
B. tables
C. lists
D. columns
E. spreadsheets - correct answer ✔✔tables
SQL stands for ________
A. Standard Question Language
B. Structural Question Language
C. Structured Query Language
D. Structured Question Language
E. Standard Query Language - correct answer ✔✔Structured Query Language
Which of the following is not true about null values?
A. A null value can mean that no value for the field is appropriate.
B. A null value is ambiguous.
C. A null value can mean that the value is unknown.
D. Null values cannot be avoided.
E. A null value can mean that the value is known to be blank - correct answer ✔✔Null values cannot be
avoided
Which of the following terms is synonymous with "relation"?
A. Row
The benefits of buying summaries with Stuvia:
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
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
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 kirus27. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
84146 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now