You can make a hierarchical directory structure under /root that
consists of one directory containing subdirectories by using cd and
mkdir
the mkdir command created the directories while the cd command changes which directory you're currently in
Answer:
education purposes
Explanation:
Education institutes make some programs like School of the Air and College of the Air, forums, and discussion tables, in 1940 the FCC reserved a range of the FM radio spectrum for education purposes.
Although FM was unpopular when the FCC moved the FM bandwidth to a higher set of frequencies, and people and consumer stations had to buy new equipment.
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.
To learn more about data mart, click here:
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