creating a web application which allows users to post articles. Each article can be tagged with one or more categories. Describe how you would structure a relational database to effectively store this application's data.

Answers

Answer 1

To effectively store the data for a web application that allows users to post articles with one or more categories, a relational database can be structured with at least two tables: one for articles and another for categories, connected through a many-to-many relationship using a junction table.

In the relational database structure, the first table can be created for articles, with columns such as article ID, title, content, and other relevant attributes. The second table can be created for categories, with columns like category ID and category name. To establish a relationship between articles and categories, a third table, known as a junction table or mapping table, can be created. This table will have columns for article ID and category ID, forming a many-to-many relationship.

Each record in the junction table represents a combination of an article and a category, linking them together. This structure allows an article to have multiple categories, and a category to be associated with multiple articles. By utilizing this relational database structure, the web application can effectively store and manage the data related to articles and their associated categories.

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Related Questions

An authoritative Domain Name System (DNS) server for a zone creates a Resource Records Set (RRSet) signed with a zone signing key. What is the result of this action

Answers

There are different types of systems. The result of the action above is DNS Security Extensions.

What is the reason for DNSSEC?

DNS Security Extensions is known to empower the authentication in DNS through the use of digital signatures that is as a result of public key cryptography.

Through the use of DNSSEC , it is not DNS queries and responses that are said to be cryptographically signed, but instead it is the DNS data  that is signed by the person who has  the data.

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An application is getting downloaded, the total size is 52GB. So the speed of the WiFi is like.. 10mb per second, so the question was, how much time would it take to get downloaded? ​

Answers

Size=52GB=52(1024MB)=53248MBSpeed=10MB/s

Time

\(\\ \tt\longmapsto \dfrac{Size}{Speed}\)

\(\\ \tt\longmapsto \dfrac{53248}{10}\)

\(\\ \tt\longmapsto 5324.8s\)

\(\\ \tt\longmapsto 88.74min\)

\(\\ \tt\longmapsto 1h\:28.7min\)

A linear representation of a hierarchical file directory is known as what?

Answers

It is known as a directory path

Answer:

C.) a directory path

Explanation:

because I got it right.

Five friends plan to try a startup. However, they have a limited budget and limited computer infrastructure. How can they avail the benefits of cloud services to launch their startup?

Answers

Answer:

Use the azure free $200/ google cloud $300 credit for your first year of business and as you go use the profits off of that to pay for your servers once that credit runs out....

Explanation:

Cloud servers usally run at a per house rate on $0.02 depending on what you need

A film producer is having difficulty with distribution. After major and minor theaters show no interest in the film, what would the logical next move be for him to take?


release the soundtrack on compact disc

make a sequel

give up

pursue Internet distribution

Answers

Answer:

pursue internet distribution

Explanation:

Answer:

B: pursue internet distribution

Explanation:

edg2021

A film producer is having difficulty with distribution. After major and minor theaters show no interest


What is the default view in a Word document? (5 points)
Copy View
Editing View
Paste View
Reading View

Answers

Answer:

EDITING VIEW

Explanation:

Although Microsoft word has several different ways you can view or edit your documents.
The Default View is Editing View.

Opportunity and Spirit, NASA's Mars Exploration Rovers, were the first scientific instruments able to collect samples directly from the surface of Mars. One of the mission's goals was to determine the likelihood that life ever existed on Mars. How were Spirit and Opportunity best able to supply evidence that in the distant past Mars may have had an environment favorable to life?

Answers

Answer:

The rovers sent images of cross beds, centimeter-scale areas in rock layers, that could indicate whether water once flowed on Mars.

Explanation:

uber's big crash is most likely a failure to assess which of the following aspects of it architecture? group of answer choices understanding existing architecture strategic timeframe adaptability scalability

Answers

Since Uber's big crash is most likely a failure to assess option option A: understanding existing architecture.

What are the enterprise architecture's primary goals?

Enterprise architecture aids in: Providing a broad, long-term perspective. Develop the methods and procedures of the company with an emphasis on business strategy. Create a system of actions and guidelines for personnel to follow in order to facilitate data organization.

Additionally, job architecture can assist HR professionals in determining the best ways to support their teams and provide their employees with the resources they need to advance their careers and advance within the organization. Haskins stated that "a strong job architecture helps inform internal People development programs."

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jhs mediaworks has contacted you to troubleshoot some tcp/ip errors on some workstations within the organization. on inspection, you get to know that the workstations functioning on windows are all stable and the ones running on unix and linux systems are the ones that need troubleshooting. which of the following command-line tools will you use in such a scenario to view and manage the tcp/ip settings?

Answers

The  command-line tools that I would use in such a scenario to view and manage the  TCP/IP settings is option C ip.

What is TCP and IP?

There are found to be two distinct computer network protocols called TCP and IP. The IP component finds the address where data is transferred. Once that IP address has been located, data delivery is handled by TCP. Although it is possible to distinguish between TCP and IP, there isn't really a benefit to doing so.

Therefore, to be able to access the IP, Select the network you are currently connected to by going to your WiFi network settings. Your IP address can be found with the other network details.

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See options below

hostname

IP scanner

ip

nslookup

Key end users should be assigned to a developmental team, known as the united application development team. True or False

Answers

The given statement "Key end users should be assigned to a developmental team, known as the united application development team" is TRUE

.A united application development team is a group of individuals who come together to develop an application that meets certain requirements. This group will include developers, testers, and project managers, among other roles.

However, the team's success is dependent on the involvement of the end-users who provide feedback on the application during the development process. It is important for key end-users to be assigned to the team because they can provide valuable insight into the application's functionality and user-friendliness. Key end-users are those who will be the primary users of the application.  

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IT WORKSHEET FOR GRADE 7 STUDENT'S PART L WRITE TRUE IF THE STATEMENT IS CORRECT AND FALSE IF IT IS L 1. It is not mandatory to unplug power cable from the main powe cleaning a computer I need help

Answers

False. It is mandatory to unplug the power cable from the main power before cleaning a computer to prevent electrical shock or damage to the components.

What is the explanation for the above response?

The statement "It is not mandatory to unplug the power cable from the main power when cleaning a computer" is false. It is important to unplug the power cable from the main power before cleaning a computer because it can prevent electrical shock or damage to the computer's components.

If the power is still connected, there is a risk of electric shock from accidental contact with live components. Also, cleaning the computer while it's powered on may also lead to damage or data loss due to electrostatic discharge or accidental spills.

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perpare the algorithm to calcutate petimeter rectangular object of lenglth and breath are given and write its QBASIC program​

Answers

Answer:

See below.

Explanation:

Here's an algorithm to calculate the perimeter of a rectangular object with given length and breadth.

StartInput the length of the rectangular object and assign it to a variable, say L.Input the breadth of the rectangular object and assign it to a variable, say B.Calculate the perimeter of the rectangular object using the formula: P = 2(L + B)Display the perimeter of the rectangular object.End

Here's the QBASIC program to implement the above algorithm.

CLS

INPUT "Enter the length of the rectangular object: ", L

INPUT "Enter the breadth of the rectangular object: ", B

P = 2 * (L + B)

PRINT "The perimeter of the rectangular object is: "; P

END

In this program, the INPUT statement is used to get the values of length and breadth from the user, which are then used to calculate the perimeter of the rectangular object using the formula mentioned in the algorithm. The PRINT statement is used to display the calculated perimeter.

write a function called reverseletters that takes an input phrase consisting of a single word and reverses the sequence of letters between the first letter and last letter. the input phrase could be a character vector of any length. restrictions: the function may not use loops. ex: >> sout

Answers

The implementation of the reverseletters function in Python is as follows:

def reverseletters(input_phrase):

   if len(input_phrase) <= 2:

       return input_phrase

   return input_phrase[0] + input_phrase[-2:0:-1] + input_phrase[-1]

input_phrase = "hello world"

output_phrase = reverseletters(input_phrase)

print(output_phrase)  

Explanation:

This function first checks if the length of the input phrase is less than or equal to 2, in which case the phrase is returned unchanged. Otherwise, it returns the first letter of the input phrase (input_phrase[0]) followed by the reversed sequence of letters between the last letter and the second letter (input_phrase[-2:0:-1]) and finally followed by the last letter of the input phrase (input_phrase[-1]). This implementation assumes that the input phrase consists of a single word with no spaces in the middle. If the input phrase contains spaces or punctuation, the function will not behave correctly.

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_____________ is a Windows tool that can scan the system memory at the booting time.

Answers

The Windows tool that can scan the system memory at booting time is known as Windows Memory Diagnostic. It is a built-in tool that comes with Windows operating systems and is designed to test and diagnose problems.

A desktop operating system would most likely be used on a laptop computer. A desktop operating system is the kind of operating system that is most likely to be found on a laptop computer. Smartphones and tablets often run mobile operating systems,

The Windows Memory Diagnostic tool starts automatically when a machine is turned on without the need for any further preparation. It checks the system memory for any problems that can lead to instability or crashes, like faulty RAM or damaged data.

By hitting the F8 key during bootup and choosing the "Windows Memory Diagnostic" option from the advanced boot menu, the Windows Memory Diagnostic tool can be launched. It is an effective tool for identifying and resolving issues with the system memory.

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what are the uses of plotters​

Answers

Answer:

Plotters are use to produce the hard copy of schematics and other similar applications They are mainly used for CAE applications.They can print on a wide variety of flat materials

Hope it helps :)❤

Answer:

 Plotters are used to print graphical output on paper. It interprets computer commands and makes line drawings on paper using multicolored automated pens. It is capable of producing graphs, drawings....

Which of these would most likely be used for a collection of different autonomous and interconnected computers used for remote access projects? A. network operating system B. mobile operating system C. time sharing/multitasking operating system D. distributed operating system​

Answers

Answer:

distributed operating system

An operating system which would most likely be used for a collection of different autonomous and interconnected computers used for remote access projects is: D. distributed operating system​.

What is an operating system?

An operating system (OS) can be defined as a system software that's usually pre-installed on a computing device by the manufacturers, so as to manage random access memory (RAM), software programs, computer hardware and all user processes.

The types of operating systems.

There are different types of operating systems (OS) used for specific purposes and these are;

Batch operating system (OS)Multitasking/Time Sharing operating system (OS).Multiprocessing operating system (OS).Network operating system (OS).Mobile operating system (OS).Real Time operating system (OS) .Distributed operating system (OS).Single User operating system (OS).

In conclusion, an operating system which would be used for a collection of different autonomous and interconnected computers that are used for remote access projects is a distributed operating system​.

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True/False: actual data throughput is usually higher than the stated bandwidth

Answers

False.The actual data throughput is usually lower than the stated bandwidth.

Bandwidth refers to the maximum amount of data that can be transmitted over a network connection in a given time period. It is typically measured in bits per second (bps) or bytes per second (Bps)However, the actual data throughput is affected by various factors such as network congestion, packet loss, latency, and protocol overhead. These factors can reduce the amount of data that can be transmitted over the network, resulting in lower actual data throughput than the stated bandwidth.

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Deirdre has a hearing disability. One of her friends advised her to use real-time text or RTT on her phone. In which of these
ways can it help Deirdre? Select all that apply.

Answers

The way that real-time text or RTT on her phone can help her is that;

C: On phone calls, it will convert speech into text

Speech to Text

We are told that Deirdre has a hearing disability. This means that she has difficulty in hearing words clearly but can read.

Thus, from her friends advice about real time text or RTT, it will aid her because whenever someone calls her on the phone, it can convert the content of the call speech into text.

The missing options are;

A. It will make her phone vibrate to notify her when she gets a phone call

B. It will make her phone vibrate to notify her when she gets a text message.

C. On phone calls, it will convert speech into text. D. While text messaging, it will convert text into speech

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if you share highly sensitive material in adobe xd, what type of access permission should you select?

Answers

Private prototypes can have permissions set up to allow only invited persons access.Enter email addresses to invite users in Adobe XD.

How can I grant Adobe XD permission? To share your work with others after designing your prototypes, click the Share icon and then choose Share for Review.Private prototypes can have permissions set up to allow only invited persons access.Enter email addresses to invite users in Adobe XD.XD.The project name and version should be included in a file name.No.The date, the author, and the version number must all appear in a file's name.Within Adobe XD, the Share mode panel allows for the management of links.When sharing Adobe XD prototypes, select whether to create a brand-new link or modify an existing one.Without the requirement to share a new XD prototype link, updating a share link will distribute modifications to anyone with access to that link.

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Where is a Pivot Table inserted?
a. Next to the last column of data in your worksheet
b. Below the last row of data in your worksheet
c. It depends on whether you select to insert the Pivot Table in the current worksheet or a new worksheet
d. Above the first row of data in your worksheet

Answers

The Create PivotTable dialog box will prompt you to create a Pivot Table on an Existing Worksheet if you insert one on a data-filled worksheet. One of the options in the Create PivotTable dialog box is this one.

Utilized in spreadsheet applications like Excel, OpenOffice.org Calc, and Ggle Sheets is a data summarization tool called a pivot table. Sorting, counting, and totaling data in a table are its primary uses. In order to create a report, you can summarize the data in a variety of ways using a pivot table.

The dialog box for "Create PivotTable":

In Excel, a new pivot table can be created using the dialog box labeled "Create PivotTable."

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arrange the two open excel workbooks on the screen vertically, ensuring that the e05fallseminars file is active.

Answers

You can use the "Arrange All" feature again if you'd like to rearrange the workbooks differently, such as horizontally or as cascading windows.

To arrange the two open Excel workbooks on the screen vertically, follow these steps:
1. Click on the View tab in the Excel ribbon.
2. In the Window group, click on the "Arrange All" button.
3. In the Arrange Windows dialog box, select "Vertical" from the options.
4. Make sure the "Windows of active workbook" checkbox is selected.
5. Click on the OK button to apply the changes.

This will arrange both Excel workbooks side-by-side on the screen, with the e05fallseminars file active. You can then easily switch between the two files by clicking on their respective tabs in the Excel ribbon. It's worth noting that Excel offers a number of different ways to arrange and organize your workbooks and worksheets on the screen, so don't be afraid to experiment with different options to find the layout that works best for you. Additionally, if you frequently work with multiple Excel workbooks or screens, you may find it helpful to invest in a larger monitor or dual monitor setup to help you stay organized and productive.

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How would I search snowboarding outside of Minnesota in my browser?

Answers

The way to search for snowboarding outside of Minnesota in your browser is to use the search tool to type likely words such as  Popular Downhill Skiing Destinations and then you will see different options to choose from.

What does browsing entail?

When you're searching, you want to finish a task; when you're browsing, you can be seeking for ideas, entertainment, or just additional information. When you are searching, you are actively looking for solutions, whereas when you are browsing, you are merely viewing the results.

An application program known as a browser offers a way to see and engage with all of the content on the World Wide Web. Web pages, movies, and photos are included in this.

Note that by typing key words using your browser such as snowboarding, you will see defferent result.

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what is the first step in the information literacy process

Answers

The first step in the information literacy process is identifying the need for information. This involves recognizing that a question or a problem that requires information to solve or address.

To illustrate this, let's consider an example. Imagine you are working on a research project about climate change. The first step would be to identify the need for information by asking yourself questions like: What is the impact of climate change? What are the causes and solutions?

Once you have identified your information need, you can move on to the next step in the process, which is formulating your research question or problem statement. This step helps to clarify and focus your information search.

In summary, the first step in the information literacy process is identifying the need for information. This involves recognizing that you have a question or problem that requires information. By following this step, you can ensure that your information search is purposeful and relevant to your specific needs.

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free!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

thank you so much

Explanation:

foe the free really apreciatwd

your program wishes to use the class java.util.calendar. your source does not have any import statements in it. when instantiating an instance of the class calendar, your code must say:

Answers

To instantiate an instance of the class java.util.Calendar, your code must say new java.util.Calendar(). This will create a new instance of the Calendar class without any import statements.

When instantiating an instance of the java.util.Calendar class, you must use the new keyword followed by the class name. This will create a new instance of the Calendar class without any import statements.

You can also use the Calendar class to set the date and time values of the instance, as well as to add or subtract time from the instance. Additionally, you can use the Calendar class to convert a calendar instance to a different time zone, or to obtain the time in milliseconds since the beginning of the epoch.

The Calendar class also provides a number of methods to format the date and time values of a Calendar instance, including the getTime() and getTimeInMillis() methods.

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Which XXX completes the Java Node class constructor for a node in a doubly-linked list?
class Node {
public int data ;
public Node next ;
public Node previous ;
public Node ( int initialData ) {
XXX
}
}
a) data = null; next = null; previous = null;
b) m_head = initialData; m_tail = initialData;
c) data = initialData; next = null; previous = null;
d) data = null; next = initialData; previous = initialData;

Answers

To sum up, option c) data = initialData; next = null; previous = null; completes the Java Node class constructor for a node in a doubly-linked list correctly.

In the given Java Node class constructor for a node in a doubly-linked list, we need to complete the code by initializing the data, next, and previous fields of the node.

Option a) data = null; next = null; previous = null; initializes all the fields to null, which is not correct as we need to assign a value to the data field.
Option b) m_head = initialData; m_tail = initialData; seems to be referring to some other variables m_head and m_tail which are not defined in the class. Therefore, this option is also incorrect.

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Artwork label (classes/constructors) In PYTHON


Define the Artist class with a constructor to initialize an artist's information and a print_info() method. The constructor should by default initialize the artist's name to "None" and the years of birth and death to 0. Print_info() should display Artist Name, born XXXX if the year of death is -1 or Artist Name (XXXX-YYYY) otherwise.


Define the Artwork class with a constructor to initialize an artwork's information and a print_info() method. The constructor should by default initialize the title to "None", the year created to 0, and the artist to use the Artist default constructor parameter values

Answers

A person who makes art by intentionally being competent and using their creative imagination (such as painting, sculpture, music, or writing).

A general definition of music is the process of fusing sound with shape, harmony, melody, rhythm, and other expressive elements. Despite being a component of all human groups and a shared cultural experience, there are numerous ways that music is exactly defined in various parts of the world. Music is one example of a timed sound-based art genre. Music is another sort of entertainment that blends sound in ways that the listener finds enjoyable, engaging, or inspiring to dance to. People who sing or play instruments like the violin, piano, guitar, drums, or other percussion make up the majority of musical performances. In blues music, the lead singer is frequently joined by a chorus of other singers who holler odd lines.

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what protocol is responsible for assigning internet protocol (ip) addresses to hosts on many networks?

Answers

The DHCP protocol is commonly used to assign IP addresses (Dynamic Host Configuration Protocol). An internet service provider can use DHCP to give a specific device a public IP address.

What is meant by DHCP protocol?The Dynamic Host Configuration Protocol (DHCP) is a client/server protocol that automatically assigns an Internet Protocol (IP) host with its IP address and other necessary configuration data, such as the subnet mask and default gateway. The Dynamic Host Configuration Protocol (DHCP) is a network protocol used to set up network devices for IP network communication. A DHCP client utilizes the DHCP protocol to obtain configuration data from a DHCP server, such as an IP address, a default route, and one or more DNS server addresses.Your PC's ability to communicate with other Computers is governed by TCP/IP. We advise using automatic Dynamic Host Configuration Protocol to make managing TCP/IP settings easier (DHCP).

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State whether the following statements are true or false:
 a) General purpose computers can carry out only a specific task. 
b) An analog computer is the special purpose computer.
 c) Analog computers work on binary digits. 
d) Digital computer works on digital data. 
e) Microcomputer is most powerful and fastest computer. 
f) Minicomputers are also multi user computers.
 g) Hybrid computers have the features of both analog and digital computers. ​

Answers

a) false
b) false
c) true
d) false
e)true
F) true

which protocol uses tcp as its transport layer protocol?

Answers

The protocol that uses TCP (Transmission Control Protocol) as its transport layer protocol is HTTP (Hypertext Transfer Protocol).

What is the TCP protocol

HTTP is the protocol commonly used for transmitting web pages, images, files, and other resources over the internet. It relies on TCP to establish a reliable and connection-oriented communication between the client (web browser) and the server.

TCP ensures that the data packets are delivered in the correct order and without errors, providing a reliable transport mechanism for HTTP communication.

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