To produce the same results as the MINUS operator, use NOT, the IN operator and a subquery. T/F
Answers
True. In SQL, the MINUS operator is used to find the rows that are present in one query result but not in another.
Some SQL dialects do not support the MINUS operator, but it is possible to achieve the same result using the NOT, IN and subquery operators.
To produce the same results as the MINUS operator using these other operators, you can use the following syntax:
sql
Copy code
SELECT column1, column2, ...
FROM table1
WHERE column1 NOT IN
(SELECT column1 FROM table2)
This query will return all rows from table1 where the value of column1 is not present in the result of the subquery, which selects all values of column1 from table2.
Using this syntax provides an alternative to using the MINUS operator, which may not be available in some SQL dialects. However, it is important to note that the performance of this alternative approach may not be as efficient as using the MINUS operator, particularly for large datasets.
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Related Questions
Josh wants to convey his best wishes to Jonathan for a meeting scheduled later during the day. Which business document would be most appropriate in this scenario?
Answers
* Email stands for electronic mail and is used for conveying a message instantly within seconds.
* In this scenario, Josh wants to convey his good wishes on the same day of the meeting so email would be the best option considering the time period.
* Emails are quick, easy and convenient and can also be used for business purposes.
* The other modes will be quite consuming and hence not preferred in this case.
When a customer makes an online hotel booking the database is updated by using
A) table
B) form
C) query
D)report
Answers
When a customer makes a booking, the database is updated by using a form.
Forms in a database are necessary for the manipulation and the retrieval of data. It helps with entering, editing as well as displaying data.
The form allows you to add data to the already existent table and it can also help one to view already existent information.
A form can also be used to view information from query. When this is the case, it searches and analyzes data.
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Secondary storage is also known as the ‘main memory’
Answers
Answer:
False
Explanation:
The main memory is called RAM (Random Access Memory). This is where all programs and variables in the computer live, and also it is the fastest storage.
Secondary storage would be your hard drive, USB, CD, floppy disk.
Saar sets a password to gain access to his phone. His little brother figures it out and gets into his apps.
Which part of the CIA triad was broken?
Answers
Answer:
The CIA triad is a model for understanding and assessing the security of information systems. It consists of three components: Confidentiality, Integrity, and Availability.
In this scenario, the Confidentiality of Saar's phone was broken, since his little brother was able to gain unauthorized access to his apps by figuring out the password. Confidentiality refers to the protection of information from unauthorized disclosure. When confidentiality is broken, it means that information is disclosed to unauthorized parties or is made available to them in some way.
However, it's worth noting that the availability of Saar's phone was also potentially compromised, since his little brother was able to gain access to the phone and its apps. Availability refers to the ability of authorized parties to access and use information and resources when needed. When availability is compromised, it means that authorized parties are unable to access or use the information or resources in question.
The integrity of Saar's phone was not necessarily broken in this scenario. Integrity refers to the protection of information from unauthorized modification or destruction. When integrity is compromised, it means that information has been modified or destroyed in some way without authorization. In this case, Saar's little brother did not modify or destroy any information on the phone, but rather gained unauthorized access to it.
Explanation:
What is the difference between semantic segmentation and object detection?
Answers
Semantic segmentation and object detection are two computer vision techniques used for image analysis. The difference between them is in the level of granularity of the analysis. In contrast, semantic segmentation divides the image into a grid of predefined classes and can provide more detailed information about the objects in the image.
Semantic segmentation is a process of dividing an image into different segments, with each segment representing a distinct object or region of the image. In other words, it is a pixel-wise classification of an image, where every pixel is assigned a label that describes the object it belongs to.
Object detection, on the other hand, is the process of identifying and localizing specific objects within an image. Object detection algorithms detect the presence of an object in an image and draw a bounding box around it to indicate its location. This allows for multiple objects to be detected in a single image. In summary, while semantic segmentation deals with pixel-wise classification of an image, object detection is focused on detecting and localizing specific objects within an image.
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How much would it cost to get the screen replaced on a Moto G7?
Answers
PLEASE HELP ME!!!!!! ITS FOR 100 POINTS AND BRAINLIEST!!!!!!!! NO ONE EVER WANTS TO ANSWER MY QUESTION!!! I JUST NEED SOMEONE TO EXPLAIN WHAT THEY'RE ASKING ME TO DO!!!!!!!!
Step 1: Read the Scenario
Because of the great work you’ve been doing for your department at running shoe company Runner Rush, your vice president has elected you to join an innovative cross-departmental team in your organization. The company is looking to launch a new shoe that enhances any runner’s speed. Management wants this new team to create an idea within a month. All the members of the team are alleviated of some of their regular job duties in order to join several meetings a week to brainstorm and design the new product.
Step 2: Develop a Month Plan
You have been appointed as the team leader. Develop a month plan that you will present to your teammates at the initial meeting. Focus on developing a strong team dynamic, setting goals, expectations, deadlines, and other elements that will lead the team to success. Make sure that your plan is easy to follow and clearly outlines all the required information.
Answers
Answer: my suggestion is to ask a teacher and do research like look up the best shoe companies and things like that
Explanation:
Discuss the role of ethical hacking plays within cyberspace and
its impact on organisations' information systems.
Answers
Ethical hacking plays a vital role within cyberspace by helping organizations identify vulnerabilities in their information systems and strengthen their overall security posture.
Ethical hackers, also known as white hat hackers, use their skills and knowledge to simulate cyber attacks and penetration testing to uncover weaknesses that malicious hackers could exploit.
By conducting ethical hacking activities, organizations can proactively identify and address vulnerabilities, protect sensitive data, and prevent security breaches. Ethical hacking helps organizations assess the effectiveness of their security measures, identify potential threats and risks, and implement appropriate safeguards. It assists in the development of robust security strategies and ensures compliance with industry regulations and standards.
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!WILL GIVE BRAINLIEST!
Write a Python program that prompts the user for a word. If the word comes between the words apple
and pear alphabetically, print a message that tells the user that the word is valid, otherwise, tell
the user the word is out of range.
Answers
Answer:
word = input()
if word > "apple" and word < "pear":
print("Word is valid.")
else:
print("Word is out of range.")
How to draw a 3d isometric drawing for a grain crusher
Answers
To draw a 3D isometric drawing of a grain crusher, follow these steps: Start by drawing the base shape of the grain crusher. Draw a rectangular prism on your paper or canvas. This will be the foundation of the crusher.
Add depth and dimension to the base shape by drawing diagonal lines from the corners of the front face of the prism towards a vanishing point. This creates the isometric perspective. Sketch the top part of the grain crusher. Depending on the design, it could include a hopper, crushing mechanism, and discharge chute. Use basic geometric shapes and lines to represent these elements. Continue adding details to the crusher, such as knobs, switches, or buttons. Remember to maintain the isometric perspective by drawing lines at a 30-degree angle.
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Describe two key features of project management software that Hugh could use to make sure the project is complete before the deadline.
Answers
Two key features of project management software that Hugh could use to ensure project completion before the deadline are -
Task Scheduling and Tracking Gantt Chart VisualizationHow is this so?1. Task Scheduling and Tracking - Project management software allows Hugh to schedule tasks, assign them to team members, and track their progress in real-time.
This feature helps him stay on top of task deadlines, identify bottlenecks, and take necessary actions to ensure timely completion of all project tasks.
2. Gantt Chart Visualization - Gantt charts provide a visual representation of the project timeline, showing the duration of each task, dependencies, and critical path.
Hugh can use this feature to identify any potential delays or overlapping tasks, allowing him to make adjustments and allocate resources effectively to meet the project deadline.
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A digital _ Is a good place for students to read an out of print book
Journal
Library
Labrotary
Office
Answers
Answer:
Library
Explanation:
The version number of a particular application is 8.5.12. If the vendor follows the conventions described in this lesson, what is the correct
interpretation of this version number?
major release 8.5, patch 12
major release 8.5, minor release 12
major release 8, minor release 5.12, patch unknown
major release 8, minor release 5, patch 12
Answers
Explanation:
I don’t know what you learned in your lesson, but standard convention is (major.minor.patch) for software versioning.
Cheers.
5.13.6 Invert Filter code hs
Answers
Inverter filter is a device that shows a person what exactly they look like when looking at the output form a camera.
Why is it used ?The inverted filter shows you what you truly look like/how others view your face. When you glance in the mirror or take a selfie, you're undoubtedly used to seeing your own face. However, this is due to the fact that your face is reflected.
When you use the filter, you're looking at your "unflipped" picture, or the version of yourself that everyone else sees when they look at you. When we gaze at an inverted image or video, it might feel like we're seeing a whole other version of ourselves.
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please help!
Answers
I think the answer the the question is C
While making a digital portfolio, Sarah wants to add names and contact information of people she knows professionally. What should she
Include regarding these people?
Sarah should include
letters regarding names and contact information of people she knows professionally.
Reset
Next
Answers
In adding names and contact in a digital portfolio, Sarah should include the full name, street address, city, state, and zip code, and contact information.
What is a digital portfolio?A digital portfolio is an electronic portfolio where a person includes it blog, names, pictures, texts, etc.
Thus, In adding names and contact in a digital portfolio, Sarah should include the full name, street address, city, state, and zip code, and contact information.
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Where is the BIOS stored?
CPU
CMOS
RAM
Northbridge
Answers
Answer:
bios stored in CMOS ...
Hope I helped ❤️
Plz mark me brainiest? :)
Using Internet resources, find at least five organizations that offer Software as a Service (SaaS). How do their services benefit their users?
Answers
Answer:
1. Antenna Software
2. Cloud9 Analytics
3. CVM Solutions
4. Exoprise Systems
5. GageIn
Explanation:
1. Antenna Software - It has five gateways to routes and manages all transactions between the mobile applications and backend systems
2. Cloud9 Analytics - manages the warehouse separately from the solutions
3. CVM Solutions - Enables users to "clean" supplier information and to centralize and standardize information
4. Exoprise Systems - It avoid use of complex database and Web servers
5. GageIn - It uses Networking and social tools to connect users and facilitate communications
Answer:
1. Antenna Software
2. Cloud9 Analytics
3. CVM Solutions
4. Exoprise Systems
5. GageIn
Explanation:
define computer software
Answers
Answer:
It is any program on a computer that you cannot touch or clean by yourself. EX: Windows.
Have A Nice Day!
ANY ADVICE?
i have to spend summer ( and the next 4 years) with a family who hates me. what should I do.
Answers
Answer:
Talk to a close friend or adult that you trust and have the power and explain to them why you don't want to go. Good luck.
Answer:
You should try talking to a person that could maybe help you or a family member that you trust who will let you stay with them for the summer and 4 years. If you don't have any one else I would try being nice, or just ignore them and live on with your life. I don't really know what else to say sense I don't know your life experience.
Explanation:
Give an algorithm (write the pseudo-code) that takes in a list of n integers and returns the location of the first integer which is strictly less than 6 in the list. If no such integers exists, the algorithm should return 0 .
Answers
Iterate through the list, and return the index of the first element less than 6 or 0 if none found.
Here's the pseudo-code for an algorithm that finds the location of the first integer less than 6 in a list of n integers:
function findFirstLessThanSix(list):
for i from 0 to n-1 do:
if list[i] < 6 then:
return i + 1
return 0
The algorithm iterates through the list using a loop, checking each element.
If an element is found that is less than 6, the algorithm returns the location (index + 1) of that element.
If no element is found that satisfies the condition, the algorithm returns 0.
Note: In the pseudo-code, list represents the input list of integers, and n represents the length of the list. The index i starts from 0, and i + 1 is returned to match the 1-based indexing typically used in programming languages.
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In order to draw a shape on the stage, what does the following function need? Move 100 steps, turn right 90 degrees with four iterations.
Event block with the commands when space key pressed, then draw square
If-then block with the commands if draw square, then run function
Known initial condition using the pen down command
Loop block with 2 iterations
Answers
To draw a square on the stage using the function described, the below elements are needed:
What is the function about?The elements are:
A "Move 100 steps, turn right 90 degrees" block to move the pen forward and turn it to the right at each corner of the square.
An event block that listens for the "space key pressed" event, and triggers the drawing of the square when this event occurs.
An "If-then" block that checks whether the "draw square" variable is true, and executes the function to draw the square if it is.
A pen down command to ensure that the pen is in contact with the stage and draws a visible line.
A loop block with 2 iterations to repeat the process of moving forward and turning right at each corner of the square.
Once all of these elements are in place, the function will be able to draw a square on the stage when the "space key pressed" event is triggered, and the "draw square" variable is true.
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What is a function of Agile software development?
Answers
Agile software development refers to software development methodologies centered round the idea of iterative development, where requirements and solutions evolve through collaboration between self-organizing cross-functional teams.
Which is best online C compiler?
Answers
It offers the greatest C++ compiler, and it's extremely simple to manage different versions of a single application.
What does a software compiler do?Compilers are specific software tools that convert the source code of one programming language into machine code, bytecode, or some other computer program. Usually, the original code is created in a high-level, understandable language for humans, such Java or C++.
Are compilers present on all computers?No. Operating systems do this frequently but not always. Not all computers, but the majority, come with an operating system. Some highly well-known operating systems (OSs) may not include compiler or interpreter for popular programming languages, although they may do so for less well-known but platform-specific languages.
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reflector and amplifier attacks use compromised systems running the attacker's programs.T/F?
Answers
The given statement, "Reflector and amplifier attacks use compromised systems running the attacker's programs" is false because reflector and amplifier attacks do not necessarily require compromised systems running the attacker's programs.
Reflector and amplifier attacks are types of distributed denial-of-service (DDoS) attacks that exploit the characteristics of certain network protocols.
In a reflector attack, the attacker spoofs the source IP address of their attack traffic to make it appear as if it is coming from the target. The attacker sends requests to vulnerable servers or devices that will respond with larger replies to the target's IP address. This amplification effect is achieved by taking advantage of the server's response being larger than the original request.
Similarly, in an amplifier attack, the attacker uses vulnerable servers or devices that unintentionally amplify the attack traffic. These servers or devices respond to a small request with a much larger response, magnifying the impact of the attack.
In both cases, the attacker does not need compromised systems running their programs. Instead, they exploit the characteristics and vulnerabilities of certain network protocols and services to redirect and amplify the attack traffic toward the target.
It's important to note that reflector and amplifier attacks can be mitigated by implementing proper network security measures, such as filtering and rate limiting, to prevent the misuse of vulnerable servers and devices.
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explain the following types of storages
flash disk
Answers
Explanation:
a data storage device that uses flash memory specifically : a small rectangular device that is designed to be plugged directly into a USB port on a computer and is often used for transferring files from one computer to another. — called also thumb drive.
Answer:
storage module made of flash memory chips. Flash disks have no mechanical platters or access arms, but the term "disk" is used because the data are accessed as if they were on a hard drive. The disk storage structure is emulated.
The first flash disks were housed in Type II PC Cards for expanding laptop storage. Subsequently, flash memory disks have arrived in a variety of formats, including entire hard drive replacements (see SSD), memory cards for digital cameras (see flash memory) and modules that fit on a keychain (see USB drive
Drag each data type to its matching block example.
Answers
Answer:
the first is a float, the second is a string
Explanation:
The quotes in the second turn the number in to a string.
Nadia wants to make changes to her Excel spreadsheet. She wants to keep her original file with its current file name, and save the changed document as a new file. What command should she use
Answers
Answer:
Save as.
Explanation:
A spreadsheet can be defined as a file or document which comprises of cells in a tabulated format (rows and columns) typically used for formatting, arranging, analyzing, storing, calculating and sorting data on computer software applications such as Microsoft Excel.
In this scenario, Nadia wants to make changes to her Excel spreadsheet. She wants to keep her original file with its current file name, and save the changed document as a new file.
Hence, the command Nadia should use is "Save as" of the file options in Microsoft Excel.
Basically, the Save as command would save the updated version of the Excel spreadsheet while keeping the previous version of the spreadsheet.
What are some of the things people try to do on social media when they can use
it to hide behind or pretend they are someone they are not
Answers
Answer: catfishing
Explanation:
They hide behind a screen and pretend to be and look like someone they're not by putting up fake pictures etc.
anyone here play osu! ?
Answers
Answer:
i did but im realy busy now
Explanation:
Answer: I play osu!mania
Explanation:
It is fun