DATABASE FUNDAMENTALS
DATA WAREHOUSING AND DATA MINING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Transient data is ____
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data in which changes to existing records cause the previous version of the records to be eliminated.
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data in which changes to existing records do not cause the previous version of the records to be eliminated.
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data that are never altered or deleted once they have been added.
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data that are never deleted once they have been added.
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Explanation:
Detailed explanation-1: -With transient data, changes to existing records are written over previous records, thus destroying the previous data content.
Detailed explanation-2: -Transient data is a type of data that is relevant for a limited time period. In a task UI, this time period is the duration of a task instance.
Detailed explanation-3: -Transient data is data that is created within an application session, which is not saved in the database after the application is terminated. Whereas physical memory is actually saved in RAM or on the hard-drive.
Detailed explanation-4: -Data remanence is the residual representation of digital data that remains even after attempts have been made to remove or erase the data.
There is 1 question to complete.