In a relational database application, a <u>foreign key</u> is used to link one table with another.
<h3>What is a
foreign key?</h3>
In database management system (DBMS), a foreign key can be defined as a column whose value provides a link between the data that are stored in a table or relational database.
This ultimately implies that, a <u>foreign key</u> is used to link one table with another in a relational database application.
Read more on keys here: brainly.com/question/8131854
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Answer:
Explanation:
Data science defined
Data science encompasses preparing data for analysis, including cleansing, aggregating, and manipulating the data to perform advanced data analysis. Analytic applications and data scientists can then review the results to uncover patterns and enable business leaders to draw informed insights.
Answer:
This is a python program that counts the number of divisors of a given number and calculates the sum of the divisors.
Explanation:
The first line defines a function "sum_divisors" with an argument "n". The square root of the argument is converted to integer and assigned to the variable "x", then a for loop is used to iterate through the range 2 to the calculated nth number of divisors in the argument.The return keyword returns the sum value.
The function is called with several arguments and printed with the print function.
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