Exam (elaborations)
OMIS EXAM III questions and answers graded A+
- Course
- Institution
OMIS EXAM III questions and answers graded A+
[Show more]
Content preview
OMIS EXAM III________ creates confusion that hampers the creation of information systems that integrate data from
different sources. - correct answer ✔✔Data redundancy
________ tools are used to analyze large unstructured data sets, such as email, memos, and survey
responses to discover patterns and relationships. - correct answer ✔✔Text mining
A characteristic or quality that describes a particular database entity is called a(n): - correct answer
✔✔attribute.
A database ________ describes a database entity. - correct answer ✔✔record
A DBMS makes the: - correct answer ✔✔physical database available for different logical views.
A distributed database: - correct answer ✔✔...
A field identified in a record as holding the unique identifier for that record is called the: - correct answer
✔✔key field.
A field identified in a table as holding the unique identifier of the table's records is called the: - correct
answer ✔✔primary key
A household appliances manufacturer has hired you to help analyze its social media datasets to
determine which of its refrigerators are seen as the most reliable. Which of the following tools would
you use to analyze this data? - correct answer ✔✔Sentiment analysis software
A one-to-many relationship between two entities is symbolized in a diagram by a line that ends with: -
correct answer ✔✔a crow's foot topped by a short mark.
, A schematic of the entire database that describes the relationships in a database is called a(n): - correct
answer ✔✔entity-relationship diagram
A(n) ________ represent data as two-dimensional tables. - correct answer ✔✔relational DBMS
All of the following are issues with the traditional file environment except: - correct answer ✔✔inability
to develop specialized applications for functional areas.
All of the following are technologies used to analyze and manage big data except: - correct answer
✔✔cloud computing
An organization's rules for sharing, disseminating, acquiring, standardizing, classifying, and inventorying
information is called a(n): - correct answer ✔✔information policy
Data ________ occurs when the same data is duplicated in multiple files of a database. - correct answer
✔✔redundancy
Data mining allows users to: - correct answer ✔✔find hidden relationships in data
DBMSs typically include report generating tools in order to: - correct answer ✔✔display data in a more
structured and polished format than would be possible just by querying.
In a large organization, which of the following functions would be responsible for physical database
design and maintenance? - correct answer ✔✔Database administration
In a large organization, which of the following functions would be responsible for policies and
procedures for managing internal data resources? - correct answer ✔✔Data administration
In a relational database, a record is referred to in technical terms as a(n): - correct answer ✔✔tuple
In a relational database, the three basic operations used to develop useful sets of data are: - correct
answer ✔✔select, project, and join.
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 BravelRadon. 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)
78310 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now