Accounting
Anthropology
Archaeology
Art History
Banking
Biology & Life Science
Business
Business Communication
Business Development
Business Ethics
Business Law
Chemistry
Communication
Computer Science
Counseling
Criminal Law
Curriculum & Instruction
Design
Earth Science
Economic
Education
Engineering
Finance
History & Theory
Humanities
Human Resource
International Business
Investments & Securities
Journalism
Law
Management
Marketing
Medicine
Medicine & Health Science
Nursing
Philosophy
Physic
Psychology
Real Estate
Science
Social Science
Sociology
Special Education
Speech
Visual Arts
Question
Which of the following is not true about surrogate keys?A) They are identifiers that are supplied by the system, not the users.
B) They have no meaning to the users.
C) They are nonunique within a table.
D) They can be problematic when combining databases.
E) The DBMS will not allow their values to be changed.
Answer
This answer is hidden. It contains 1 characters.
Related questions
Q:
What are the elements of a graph database?
Q:
What is an XML DTD?
Q:
What is XML, and why is it significantly better than HTML?
Q:
Graph databases are composed of ________.
Q:
XML documents that conform to their DTD are said to be ________.
Q:
The CAP theorem defines the three properties of ________, ________, and ________.
Q:
The document type declaration for an XML document begins with the keyword ________.
A) XML
B) DTD
C) TYPE
D) DOCTYPE
E) TYPEDECL
Q:
An example of a document database is ________.
A) Dynamo
B) Couchbase Server
C) Bigtable
D) Neo4j
E) MySQL
Q:
Graph databases are composed of three elements, one of which is the edge.
Q:
In XML Schema, there are two types of elements, simple and composite.
Q:
XML documents and XML Schemas are created in different languages.
Q:
XML documents that conform to an XML Schema are validated against that schema.
Q:
XML documents that do not conform to their DTD are said to be non-type-valid XML documents.
Q:
JSON stands for Jason Script Object Notation.
Q:
The CAP theorem defines the three properties, one of which is authorization.
Q:
What is data mining application?
Q:
Market basket analysis, as described in the text, uses the statistical technique of ________.
Q:
A report that is sent to users on a predetermined schedule is called a(n) ________ report.
Q:
Refer to the table above. What is the confidence of Drug B being purchased given that Drug A has been purchased?
A) .200
B) .250
C) .333
D) .400
E) .500
Q:
Refer to the table above.What is the support for Drug A and Drug B?
A) .025
B) .075
C) .100
D) .125
E) .200
Q:
A report generated by a reporting system is delivered to the appropriate users via a printed report. This system uses which of the following report modes?
A) Push
B) Pull
C) Query
D) OLAP
E) None of the above
Q:
A BI reporting system:
A) creates meaningful information from disparate data sources.
B) delivers information to users on a timely basis.
C) uses statistical procedures to predict future events.
D) Both A and B
E) All of the above
Q:
In unsupervised data mining, explanations are created after patterns are found.
Q:
A report that is sent to users only upon the users' request is called an on-demand report.
Q:
A report that is sent to users on a predetermined schedule is called a push report.
Q:
Reports that rely on the most current data when they are prepared are called dynamic reports.
Q:
Report modes include dynamic and static.
Q:
Below installing the NetBeans IDE, we have to install ________.
A) the Java JRE
B) the Java SDK
C) the Java JDK
D) the Java SRE
E) Any of the above will work.
Q:
There is only one way to install PHP.
Q:
When running the NetBeans IDE for the first time, use a file workspace named NetBeansProjects.