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MIS 183 Exam 1
Terms in this set (27)
A database is an organized collection of related data:
Because applications are often developed independently in file processing systems:
Unplanned duplicate data files are the rule rather than the exception
Data that describe the properties of other data are:
Is a tool even non-programmers can use to access information from a database
Structured Query Language
The analysis of summarized data to support decision making is called:
Which of the following advances in information systems contributed to the emergence of data warehousing?
Advances in middleware products that enabled enterprise database connectivity across heterogeneous platforms.
Which of the following organizational trends does not encourage the need for data warehousing?
Informational systems are designed for all of the following EXCEPT:
Running a business in real-time
A data mart is a(n):
Data warehouse that is limited in scope
The real-time data warehouse is characterized by which of the following?
Data are immediately transformed and loaded into the warehouse
All of the following are some beneficial applications for real-time data warehousing EXCEPT:
Data that are never physically altered once they are added to the store are called ______ data.
The level of detail in a fact table determined by the intersection of all the components of the primary key, including all foreign keys and any other primary key elements, is called the:
Factless fact tables may apply when:
We are deleting correlated data.
An expanded version of a star schema in which all of the tables are fully normalized is called a(n):
Is/are a new technology which trade(s) off storage space savings for computing time.
Quality data can be defined as being:
One characteristic of quality data which pertains to the expectation for the time between when data are expected and when they are available for use is:
Datatype conflicts is an example of a(n) reason for deteriorated data quality.
External data source
One way to improve the data capture process is to:
Check entered data immediately for quality against data in the database.
A technique using artificial intelligence to upgrade the quality of raw data is called:
At a basic level, analytics refers to:
Analysis and interpretation of data
Generally processes the largest quantities of data.
The NoSQL model that incorporates 'column families' is called a:
An organization that decides to adopt the most popular NoSQL database management system would select:
Apache Cassandra is a leading producer of NoSQL database management systems.
Includes NoSQL accommodation of various data types.
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