Question Discussion & Solution

Concept:

The GROUP BY statement groups rows that have the same values into summary rows, like "find the number of customers in each country".

The GROUP BY statement is often used with aggregate functions (COUNT, MAX, MIN, SUM, AVG) to group the result-set by one or more columns.

GROUP BY Syntax

SELECT column_name(s)
FROM table_name
WHERE condition
GROUP BY column_name(s)
ORDER BY column_name(s);

The ORDER BY keyword is used to sort the result-set in ascending or descending order.

The ORDER BY keyword sorts the records in ascending order by default. To sort the records in descending order, use the DESC keyword.

ORDER BY Syntax

SELECT column1, column2, ...
FROM table_name
ORDER BY column1, column2, ... ASC|DESC;

After completing the figure draw bellow

Hence, option 3 is the correct answer.

Trojan:

A Trojan horse, or Trojan, is a type of malicious code or software, or virus that looks legitimate but can take control of the computer.

It is designed to damage, disrupt, steal, or in general inflict some other harmful action on data or network.

t acts as a bona fide application or file to trick you. It seeks to deceive you into loading and executing the malware on the device.

Important Points

Anti-Viruses are the code or software that protects the computer from viruses.

Kaspersky, Norton, and Quick heal are the Anti-viruses.

Stupid is the synonyms of Dumb.

Similarly,

Awful is the synonym of Horrible.

Information systems hardware is the part of an information system one can touch i.e. the physical components of the technology.

Computers, keyboards, disk drives, iPads, and flash drives are all examples of information systems hardware.