Consider the following relational schema, where the primary keys are Bold,
Students(sid, sname, address, dept_id)
Courses(cid, cname, dept_id)
Departments(dept_id, dname, college)
Grades(sid, cid, year, semester, grade)
Write the following queries in SQL. Only use the tables that are absolutely needed for the corresponding query.
1. Find the sids and snames of students who took "Database" course (i.e., cname = ‘Database’) in Fall 2019.
2. Find the average grade of all the students who took "CS327" (i.e., cid=‘CS327’) in Fall 2019. You can assume grade is a numerical attribute.
3. Find the number of distinct courses offered by each department in Fall 2019.
4. Find the sids of students who have taken at least 10 different courses offered by "Computer Science" department (i.e., dname = ‘Computer Science’).

False. The intent of a Do query is to accomplish a goal or engage in an activity on a phone.

A computer query is a request for information or data made to a computer system or a database. It involves specifying specific criteria or conditions to retrieve relevant information from a database or perform a specific action.

Queries are commonly used in database management systems, where they allow users to search, filter, and sort data based on specific criteria. A query typically consists of a structured query language (SQL) statement that defines the desired data and any conditions or constraints to be applied.

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Answer:

GUI

Explanation:

Answer:

FAT

Explanation:

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Answer:

Microsoft Windows offers the largest variety of editions for its operating system.

On-site servers have virtualization deployed. A server is essentially running in your own server on your own premises when you virtualize it. Your establishment's server.

It is possible to host solutions either on-premises (private cloud), on the public cloud (such as AWS, Azure, or Rackspace). Or with a combination of both, which is known as the hybrid cloud, thanks to the flexibility given by various virtualization solutions.

Therefore, You enter, launch virtualization on it, and create as many sessions on that system as you desire or are able.

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RAM  is a type of memory which requires a power source to store data is referred to as a true statement.

This is referred to as Random Access Memory and is a volatile memory which is used in the storage of working data and machine codes.

This type of memory requires a power source for the data to be retrieved or stored at that point in time which is why True was chosen as the most appropriate choice in this context.

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Answer:

true

Explanation:

took test

Answer:

1. He was plagiarizing

2. He might get sued, bad reputation, and he might get fired.

Explanation:

If he Paraphrasing from something online and doesn't cite the website he is plagiarizing.

Answer: Check Below

Explanation:

 The internet is a vital tool for communication, commerce, and entertainment, but it is not without its downsides. The internet can be used to spread false information, cyberbully, and promote illegal activity. This is why there has been a growing call for the regulation of the internet to curb these negative effects. While there are some who argue that regulating the internet would infringe on free speech, there are many benefits to regulating internet use.

 One of the main benefits of regulating the internet is that it can help prevent cyberbullying and other forms of online harassment. By requiring social media companies to monitor and remove harmful content, the internet can be a safer space for everyone. Regulating the internet can also help prevent the spread of fake news and misinformation, which has become a significant problem in recent years. By holding websites accountable for the content they host, we can prevent the spread of propaganda and conspiracy theories that harm public health and democratic institutions.

 Another benefit of regulating the internet is that it can help protect children from online predators and inappropriate content. By requiring age verification and limiting access to certain sites, we can ensure that children are not exposed to harmful content. Regulating the internet can also help prevent illegal activities like piracy and online scams. By holding websites and individuals accountable for these crimes, we can protect consumers and prevent economic harm.

 In conclusion, while there are concerns about infringing on free speech, there are many benefits to regulating the internet. By preventing cyberbullying, limiting the spread of fake news, protecting children, and preventing illegal activities, we can create a safer and more secure internet for everyone to use. The regulation of the internet is not a perfect solution, but it is an important step towards ensuring that the internet remains a valuable resource for communication and commerce while protecting individuals and society as a whole.

Answer:

WPAN/Bluetooth, Coexistence, High Rate WPAN, Low Rate WPAN,  mesh Networking, Body Area Networks, and Visible Light Communication.

Answer: Set a Cache-Control header to 0 to prevent caching on client browsers. Set a Strict-Transport-Security header to 31536000 (1 year) to force the client to remember to only connect to the server with HTTP(S) secure. Lastly, set a Content Security Policy(CSP) HTTP header to tell the client what sources it can load scripts or images from and how to handle the execution of JS that is on the page which can allow to mitigate script injection.

Explanation:

Cache-Control is a server response header that controls how long a browser should have cache for before it becomes stale. Setting it 0 tells the browser that it should never cache.

Strict-Transport-Security is a server response header that tells the client that after the first initial visit; that the browser should remember to only connect to it via HTTPS for the time that was set by header.

Content Security Policy (CSP) is a policy and also a header that can be in the response of a server that explains to the browser the limitations of content that can be loaded. Examples include: images, videos, JS sources, etc. The policy can also tell the browser that only an ad analytics software should be the only script that can run thus mitigating any other scripts that may be injected onto the site.  

Answer:

2 is the ans

Explanation:

bye bye, gonna go to studyy

Spyware accumulates your personal information and passes it on to curious third parties without your knowledge or consent.

Spyware is also learned for installing Trojan viruses.

Spyware is a type of malicious software or malware that is established on a computing device without the end user's knowledge. It plagues the device, steals exposed information and internet usage data, and relays it to advertisers, data firms, or external users.

Spyware monitors and logs  computer use and activity. It celebrates the user's behavior and finds vulnerabilities that allows the hacker to see data and other personal details that you'd normally consider confidential or sensitive.

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Answer:

because it has the ability to capture the whole information you need or downloaded

Answer:

Heat lamp.

Explanation:

Like the sun, a heat lamp gives off light and heat, mimicking the actions of a sun. To simulate a strong sun, turn the heat lamp up higher to create brighter light and warmer heat.

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Online education is a teaching practice delivered through the internet. The students learning from online platforms must be taught to be ethical.

In the online education system, the students should learn to be ethical and integral as it enables the students and their teachers to be creative, free to create ideas, and acknowledge others' work.

Ethics teaches the students to develop their personalities and behavior. Students' integrity allows them to be honest, responsible, and fair towards their work and instructor.

Therefore, option A. online learning students must be taught to be ethical.

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Answer:

-the reasons why they should be ethical

-how to communicate professionally

Explanation:

To use the database documenter, follow these steps -

This is the suggested sequence of steps to use the database documenter based on the given options.

By selecting "Database Tools" (2), choosing "Analyze" (3), and clicking on "OK" (5), you can initiate the documenter and generate the desired reports and documentation. Following these steps will help you utilize the database documenter effectively and efficiently.

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Answer:

The certification developed by the SANS is GIAC certification .In this there are 3 certification GSEC,GISF and GCED .The description of these certification is given below .

Explanation:

The GIAC certification course is providing the knowledge of the security like cryptography ,networkig knowledge etc .

GSEC:The GSEC Certification is the certification of the security.It simply means this certification certified about the security risk in the computer system .

GISF: This certification gives the knowledge of the networking as well as the security in the computer system also it gives the knowledge of the cryptography.

GCED :This certification is also providing the knowledge of security as well as networking.

Difference between GIAC and  InfoSec certifications is given below

Answer:

blog

Explanation:

The same way anything converts AC to DC. It rectifies it and smooths the ripple using diodes and capacitor(s).

G00gle DC rectifier.

If one needs to determine the hash file of several files that are to be sent to a U.S. government agency. The authorized hash functions that can be used are:

SHA-1 (Secure Hash Algorithm-1), and the. SHA-2 family of hash algorithms: SHA-224, SHA-256, SHA-384, SHA-512, SHA-512/224, and SHA-512/256.

When you hash a message, you take any length string of data as input and run it through a mathematical method that produces an output of a set length.

Some hashing algorithms divide the original data input into smaller chunks of equal size. If there isn't enough data in any of the blocks to fill it up, padding (1s and 0s) can be used to fill it out. The separate blocks of data are then passed through a hashing algorithm, which produces a hash value as an output.

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Answer:

There are five basic elements of multimedia: text, images, audio, video and animation. Example - Text in fax, Photographic images, Geographic information system maps, Voice commands, Audio messages, Music, Graphics, Moving graphics animation, Full-motion stored and live video, Holographic image

(⁠◔⁠‿⁠◔⁠)(⁠◔⁠‿⁠◔⁠)(⁠◔⁠‿⁠◔⁠)

Audio: alludes to a sound or spoken content, including music, exchange, and audio effects.

Video: alludes to a moving visual substance, including true to life film, movement, and embellishments.

Text: alludes to composed or composed content, including inscriptions, captions, and composed portrayals.

Images: alludes to static visual substance, including photos, representations, and illustrations.

Interactive elements: alludes to components that permit the client to cooperate with the media, like buttons, connections, and route menus.

Animation: alludes to the utilization of moving pictures and designs to make the deception of movement.

Hypertext: alludes to the utilization of connections inside the media that permit the client to explore to other sight and sound or website pages.

Streaming Technology: alludes to innovation that permits mixed media to be played progressively over the web without the need to download the whole document.

These components can be utilized in different blends to make a media piece that is connecting with, educational and intelligent.

Answer:

2

Explanation:

This code segment iterates through the array checks to see if each element equals y if so, increments the counter variable count

Essentially, this code is taking in two parameters an array x and an integer y and counting the number of times y appears in the array x

look(numList, 1) counts the number of times the integer 1 appears in numList

1 appears two times and therefore 2 is the value returned by the function and therefore the answer

Cryptography is an example of ensuring Confidentiality in the CIA triad. (Option B)

Cryptography is an essentialcomponent of ensuring Confidentiality within the CIA triad.

It involves the use of  encryption techniques to protect sensitive information from unauthorized access.

By converting data into an unreadable format, cryptography ensures that only authorized individuals   with the necessary decryption keys can access and understand the information,preserving its confidentiality and preventing unauthorized disclosure.

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Answer:

359 is December 25 in a 365 day year.

Explanation:

Answer:

For western christian churches, Christmas day always occurs on December 25, though some cultures observe the main celebration on the night prior, Christmas Eve.

Answer:

the answer should be .com, because the very first domain was Symbolics.com

Explanation:

hope this helps, have a great day.

The code is in Java.

It calculates the height and velocity of a dropped pebble using the given formulas.

Comments are used to explain the each line.

//FallingBodies.java

public class FallingBodies

{

public static void main(String[] args) {

    //Declare the g as a constant

    final double g = 9.8;

    //Declare the other variables

    double t, height, velocity;

    //Set the time

    t = 23;

    //Calculate the height using the given formula

    height = 0.5 * g * t * t;

    //Calculate the velocity using the given formula

    velocity = g * t;

    //Print the height and velocity

    System.out.println("The height is " + height + " m");

 System.out.println("The velocity is " + velocity + " m/s");

}

}

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Answer: flash drive

Explanation:

Flash drives are refered to as small, portable storage devices which makes use of a USB interface in order to be connected to a laptop.

Flash cards are removable and rewritable. They are mainly used to store data. Flash cards can be found in computers, laptops, digital cameras etc.

Answer:

The answer is:

A) Absolute cell reference

Explanation:

An absolute cell reference is used in Excel when you want to keep a specific cell reference constant in a formula, regardless of where the formula is copied. Absolute cell references in a formula are identified by the dollar sign ($) before the column letter and row number.

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Answer:

The program above is one that begins with the _begin name, which is the passage point of the program.

The program uses framework call int 0x80 to print your title on the screen utilizing the compose framework call. It loads the suitable values into the registers (eax, ebx, ecx, edx) to indicate the framework call number, record descriptor, buffer address (where the title is put away), and length of the title.

It checks in case the shape input may be a period (.), which demonstrates the conclusion of input. In case so, it bounced to the exit name to exit the program.

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