Obtaining the data of a video file from a flash drive is an example of a(n) _________ operation.
a)retrieval. b)comparison. c)storage. d)exponentiation.
Answer:
a)retrieval.
Explanation:
A retrieval operation simply means obtaining data or information that is stored in a system.
Therefore, getting the data of a video file from a flash drive is a retrieval operation because it brings the video file from the storage device.
The “Allow changes by more than
one user at the same time” option.
In a
group of users, it is very important to create a shared workbook so that
several people are able to update information and track changes in the workbook
at the same time. To do so, one should click on the review tab of the excel sheet and select
share workbook. On the editing tab of the share workbook dialog box, select the
Allow changes by more than one user at the same time check box. Go ahead and
click the advanced tab and select option you would want to use and then click
OK
Answer:
There are two customers in the PostalCode.
SQL statement for select all the fields and the rows from the Customers table where PostalCode is 44000.
SELECT * FROM Customers WHERE PostalCode = "44000";
Explanation:
The SELECT statement retrieve zero or more than one row from 1 or more than one the database tables or the database views.
In most of the applications, the SELECT query is most commonly used for DQL(Data Query Language) command.
SQL is the declarative programming language and the SELECT statement specifies the result set, but they do not specifies how to calculate it.