Answer:
B is more probable option than C
Explanation:
I think its both B and C
There are cells in some charts. The terms that refers to the cells that contain values and labels to be graphed in the chart is source data.
<h3>What is the meaning of source data?</h3>
Source data is known to be a kind of raw data that is often known as an atomic data. They are data that has not been processed for any vital use to become Information.
In computer programming tech., source data or data source is known to be a kind of primary point or location from where data originates from. The data source is known as a database, a dataset, etc.
Learn more about source data from
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Solution :
Here, we need to perform JOIN operation of the students and registration.
Use NATURAL JOIN operator
and so no need to specify Join condition.
Also we need to selection operator tp select only those course whose major in "philosophy".
Finally we projection operator π to project only distinct students name who took at least three courses.
![$\pi [\sigma_{\text{student's nam}e} [ \sigma(\text{three courses}) \Join \text{"Philosophy"}]]$](https://tex.z-dn.net/?f=%24%5Cpi%20%5B%5Csigma_%7B%5Ctext%7Bstudent%27s%20nam%7De%7D%20%5B%20%5Csigma%28%5Ctext%7Bthree%20courses%7D%29%20%5CJoin%20%5Ctext%7B%22Philosophy%22%7D%5D%5D%24)
The process of engineering typically starts with brainstorming.
It is known as the File Transfer Protocol or FTP. It is based on a customer server demonstrate design and uses isolate control and information associations between the customer and the server. FTP clients may conform themselves with an unmistakable content sign-in convention, regularly as a username and secret word, yet can interface namelessly if the server is designed to permit it.