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Database - The Database Environment

Exercise : The Database Environment - General Questions
1.
A data warehouse uses:
partial operational data.
historical operational data.
future operational data.
health care data.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
Metadata enables database designers and users to do all of the following except:
sample data.
understand what data exist.
what the fine distinctions are between similar data items.
what the data mean.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
Duplicate data often results in loss of data integrity because:
the data formats may be inconsistent.
data values may not agree.
Both A & B.
Neither A & B.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
Legacy data is which of the following?
Data contained in a newly-installed system
Data rejected during the installation of a new system
Data contained in a file system
Data contained by a system used prior to the installation of a new system
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
A database management system (DBMS) is a:
hardware system used to create, maintain, and provide controlled access to a database.
hardware system used to create, maintain, and provide uncontrolled access to a database.
software system used to create, maintain, and provide controlled access to a database.
software system used to create, maintain, and provide uncontrolled access to a database.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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