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Test bank ch 6 business driven information systems
Business management
جامعة القاهرة
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- Completeness, consistency, accuracy, timeliness, uniqueness INCORRECT No answer given THE ANSWER Common characteristics of high-quality information
2. integrity, increased information securityIncreased flexibility, increased scalability and performance, reduced data redundancy, increased information
INCORRECT
No answer given THE ANSWER Advantages of relational databases
3. Enforce business rules vital to an organization's success and often require more insight and knowledge than
relational integrity constraints. e. no product returns are accepted after 15 days past delivery in case of fresh produce suppliers (chance of spoilage of the produce) INCORRECT No answer given THE ANSWER Business-critical integrity constraints
4. Contains a subset of data warehouse information.
INCORRECT
No answer given THE ANSWER Data mart
5. The duplication of data, or the storage of the same data in multiple places.
INCORRECT
No answer given THE ANSWER
Data redundancy
1. 5 Matching questionsData quality audits
INCORRECTNo answer given THE ANSWERD. Determine the accuracy and completeness of a company's data.
Associated detection INCORRECT No answer given THE ANSWER B. Reveals the relationship between variables along with the nature and frequency of the relationships.
Data-driven website INCORRECT No answer given THE ANSWER A. An interactive website kept constantly updated and relevant to the needs of its customers using a database.
Statistical analysis INCORRECT No answer given THE ANSWER C. Performs such functions as information correlations, distributions, calculations, and variance analysis.
Relational database model INCORRECT No answer given THE ANSWER E. Stores information is the form of logically related two dimensional tables. A. An interactive website kept constantly updated and relevant to the needs of its customers using a database. B. Reveals the relationship between variables along with the nature and frequency of the relationships.
- Provides details about data. e. metadata for an image could include its size, resolution, and date created integrity
Data models
Metadata
Database
Associated detection
5 True/False questions
- Complies all the metadata about the data elements in the data model. → Data dictionary INCORRECT No answer given THE ANSWER True
2. group are as close together as possible to one another and the different groups are as far apart as A technique used to divide information sets into mutually exclusive groups such that the members of each
possible. → Cluster analysis INCORRECT No answer given THE ANSWER True
3. Stores information about a person, place, thing, transaction, or event. Each one of them
is stored in a different two-dimensional table (with rows and columns). → Primary key INCORRECT No answer given THE ANSWER False It should be → Entity (= table)
4. Analyzes unstructured data to find trends and patterns in words and sentences. → Data mining
INCORRECT
No answer given THE ANSWER False It should be → Text mining
5. granualitiesThe extent of detail within the information (fine and detailed or coarse and abstract). → Information
INCORRECT
No answer given THE ANSWER False It should be → Information granularity
Test bank ch 6 business driven information systems
Course: Business management
University: جامعة القاهرة
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