The statement 'a data mart is the operational database for the company' is true.
We can define a data mart as a subject-oriented database that focuses on a particular area in an organization.
It is through data mart that the employees of a company can access data faster. Data mart, functioning as the operational database, helps employees as they do not have to manually add all the data again. Also, any piece of data needed by an employee can easily be accessed through the data mart of the company.
One of the advantages of using data mart is that it eradicates human-made errors which can arise if data is added manually by an employee.
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Answer:
V-chip technology works much like closed captioning and uses the vertical blanking interval in the television signal.
Probably an Operating System like Mac, Linux, or Windows. There may be a type of downloadable software to do this, but may be debatably safe.
Answer:
REad from slide and speak clearly and slowy.
Explanation:
Answer:
An online lesson will be good.
