all of the following are taken into account by the relational query optimizer to do its job, except _____.
Answers
"data types." The relational query optimizer takes into account various factors such as query structure, available indexes, table statistics, and join algorithms to optimize query execution.
However, data types are not directly considered by the optimizer. Data types define the characteristics and representation of the data stored in the database but do not influence the optimization process itself. The optimizer focuses on analyzing the query and available metadata to determine the most efficient execution plan, aiming to minimize resource usage and improve query performance. Data types are relevant for ensuring data integrity and performing accurate comparisons and calculations but are not part of the optimizer's decision-making process.
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Related Questions
What is greywater? A. waste water contaminated by human waste such as feces B. fresh water running out of taps and sinks C. waste water unpolluted by human waste such as feces D. salty water running out of taps and sinks E. purified water used for drinking purposes
Answers
Answer:
B. fresh water running out of taps and sinks
Explanation:
Greywater is simply the water that is created from activities such as showering, bathing or doing laundry.
Create a C++ program to compute the average of three tests or quizzes and display the score and average on distinct lines, and do it using arithmetic operators.
Answers
#include <iostream>
#include <vector>
#include <numeric>
int main() {
std::vector<int> store(3);
for(int i=0;i<3;i++){
std::cout << i+1 << ". test result: ";
std::cin>>store[i];
}
for(int i=0;i<3;i++) {
std::cout << i+1 << ". test score: " << store[i] << std::endl;
}
std::cout << "Average: " << double(std::accumulate(store.begin(),store.end(),0.0)/store.size()) << std::endl;
return 0;
}
do you think you have the qualities of an enterpreneur in you? If yes, give examples when you have shown these qualities.
Answers
The quality that all successful entrepreneurs must possess is determination and the ability to take action. They have to think and make decisions quickly and they discipline themselves to act and implement their decisions.
What is entrepreneurs?An entrepreneur is defined as a person who has the ability and desire to establish, manage and succeed in a start-up company with his own risks, in order to generate profit.
It is classified into the following types:
Small Business- Scaling of Initial Business Large Corporate Business Social Business5 Qualities of a Better Entrepreneur
Willingness to fail. Fear of failure is a common affliction.Critical Thinking. As the first trait, critical thinking enables entrepreneurs to move away from the herd mentality Clarity of Vision. Use yourself. Strong communication.Entrepreneurship accelerates economic growthEntrepreneurs are important for a market economy because they can act as the wheels of a country's economic growth. By creating new products and services, they increase new jobs, which ultimately leads to an acceleration of economic development.
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Is used to find the sum of the values in a column?
Answers
AutoSum is used to find the sum of the values in a column.
Select the cell directly below the last number in the column to get the total for the column of numbers. Choose the cell that is immediate to the right of a row of numbers to add them.
There are two locations for AutoSum: Home > Formulas and AutoSummaries > AutoSummary.
Instead of repeatedly inputting a formula, you can duplicate it to additional cells once you've created it. The formula in cell C9, for instance, automatically adapts to the new location and computes the values in cells C3–C8 if you copy the formula from cell B9 to cell C9.
Additionally, you can apply AutoSum to multiple cells at once. For instance, you may choose cell B9 and cell C9, choose AutoSum, and total both columns simultaneously.
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The process of learning by making mistakes and by trial and error is called _____.
Answers
developers in your company have been leaving cloud-based virtual machine running long after they are needed.what should you configure to reduce cost?
Answers
To reduce costs in this scenario, you could configure auto-scaling policies that can automatically shut down unused virtual machines. Additionally, you could also set up alerts to notify developers when their virtual machines have been running for an extended period, reminding them to shut them down when they are no longer needed.
Another option would be to implement cost management tools or policies that set limits on how long a virtual machine can be left running without approval. By implementing these measures, your company can ensure that resources are used efficiently and costs are kept under control.
To reduce costs in your company due to developers leaving cloud-based virtual machines running longer than needed, you should configure an automated resource management system, such as setting up auto-scaling policies, monitoring tools, and scheduling instances for shutdown or termination when they're not in use. This will help optimize resource utilization and minimize unnecessary expenses.
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Write atleast 3 targeted audience or users
Answers
Answer:
Three categories of audience are the "lay" audience, the "managerial" audience, and the "experts." The "lay" audience has no special or expert knowledge. They connect with the human interest aspect of articles.
Explanation:
Lay
Managerial
Experts
What is the author's purpose for writing this article? A to persuade readers to consider a career in aerospace engineering and at NASA B to caution readers about the difficulties that aerospace engineers encounter C to highlight the experiences of Tiera Fletcher growing up and as an aerospace engineer D to promote Tiera Fletcher's book and her nonprofit organization, Rocket With The Fletchers
Answers
Answer:
C to highlight the experiences of Tiera Fletcher growing up and as an aerospace engineer
Explanation:
Dream Jobs: Rocket Designer, a Newsela article by Rebecca Wilkins was written with the intent of informing the readers of how Tiera Fletcher developed a love for mathematics at an early age and further developed a desire to be a Space Engineer which she succeeded at. She highlighted the different steps she took before she realized her goal. Some of these steps included working as an intern in several space establishments and performing research.
Today, she is very successful in her career and hopes that young ones can pursue a career in any STEM careers of their choice.
Answer:
c on newsella
Explanation:
what is the computational complexity of the recursive factorial method?
Answers
The recursive factorial method has a computational complexity of O(n), which means that it grows linearly with the size of the input. This is because each recursive call of the factorial function multiplies the current value by one less than the current value until it reaches 1
so it takes n multiplications to compute the factorial of n. In other words, the number of operations required to compute the factorial of n using the recursive method is proportional to n. This makes the recursive method less efficient than the iterative method for computing factorials, which has a computational complexity of O(1) because it only requires a fixed number of operations (n multiplications) regardless of the input size. However, the recursive method is often more intuitive and easier to understand, especially for small inputs.
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Discuss and elaborate the impact of technology advancement in
seaport wayfinding to community
Answers
Answer:
international technology
Technologies are becoming increasingly complicated and increasingly interconnected. Cars, airplanes, medical devices, financial transactions, and electricity systems all rely on more computer software than they ever have before, making them seem both harder to understand and, in some cases, harder to control. Government and corporate surveillance of individuals and information processing relies largely on digital technologies and artificial intelligence, and therefore involves less human-to-human contact than ever before and more opportunities for biases to be embedded and codified in our technological systems in ways we may not even be able to identify or recognize. Bioengineering advances are opening up new terrain for challenging philosophical, political, and economic questions regarding human-natural relations. Additionally, the management of these large and small devices and systems is increasingly done through the cloud, so that control over them is both very remote and removed from direct human or social control. The study of how to make technologies like artificial intelligence or the Internet of Things “explainable” has become its own area of research because it is so difficult to understand how they work or what is at fault when something goes wrong
Explanation:
define reading and writing that regards storage
Answers
Answer:
Reading and writing on computers and other gadgets require storage.
HOPE THIS HELPS
HAPPY THANKSGIVING
Question 6 [10 marks] a) How does a company's use of information systems affect its corporate strategies? (7 marks) b) Provide an example. (3 marks)
Answers
Answer:
following are the responses to the given question.
Explanation:
The capability to successfully utilize IT is mutually dependent on its ability to execute strategic strategy and set business goals. The ability to compete more and more relies on the capacity of an organization of using technology. In the future, what a company wants to do will rely on what its technologies can do. It may be an example of a company investing in information technology that allows a company to manufacture new products or improve the efficiency of the distribution system to the corporation's economic efficiency.
Digital citizens are those who use the internet regularly and effectively. What are three (3) good qualities of a responsible digital citizen?
Answers
Answer:
Respect for others: A responsible digital citizen shows respect for others by not engaging in cyberbullying or other forms of online harassment. They also respect the privacy and personal boundaries of others, and do not share personal information without permission.Ethical behavior: A responsible digital citizen follows ethical principles when using the internet, such as not engaging in activities that are illegal or harmful to others. They also avoid plagiarism and other forms of intellectual property theft, and respect the rights of others.Critical thinking: A responsible digital citizen uses critical thinking skills when using the internet, such as evaluating the credibility and reliability of sources and information. They are able to discern fact from fiction, and avoid being swayed by fake news or other forms of disinformation.click here for a answer
Answers
Answer:
the 3th one
Explanation:
If you use a shorter focal length your subject will look more distorted than if you were to use a longer focal length ex. 24mm vs 100mm
True
False
Answers
If you use a shorter focal length your subject will look more distorted than if you were to use a longer focal length is a false statement.
Is a shorter focal length better?The longer the focal length, the image is said to be more narrower at the angle of view and also there is a higher rate of magnification. The shorter the focal length, there is seen to be a wide angle of view and the lower the image magnification.
Therefore, If you use a shorter focal length your subject will look more distorted than if you were to use a longer focal length is a false statement.
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What 5 factors determine the seriousness of a gunshot wound?
Answers
Bullet size, velocity, form, spin, distance from muzzle to target, and tissue type are just a few of the many factors that can cause gunshot wound.
The four main components of extremities are bones, vessels, nerves, and soft tissues. As a result, gunshot wound can result in massive bleeding, fractures, loss of nerve function, and soft tissue damage. The Mangled Extremity Severity Score (MESS) is used to categorize injury severity and assesses age, shock, limb ischemia, and the severity of skeletal and/or soft tissue injuries. [Management options include everything from minor wound care to amputation of a limb, depending on the severity of the injury.
The most significant factors in managing extremities injuries are vital sign stability and vascular evaluation. Those with uncontrollable bleeding require rapid surgical surgery, same like other traumatic situations. Tourniquets or direct clamping of visible vessels may be used to temporarily decrease active bleeding if surgical intervention is not immediately available and direct pressure is ineffective at controlling bleeding. People who have obvious vascular damage require rapid surgical intervention as well. Active bleeding, expanding or pulsatile hematomas, bruits and thrills, absent distal pulses, and symptoms of extremities ischemia are examples of hard signs.
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what is encrypted, where are the encrypted attributes stored, and how are they used to prevent others from reusing messages captured in the authentication process?
Answers
Encryption is used to protect data by transforming it into an unreadable form. Encrypted attributes are unique pieces of information used to verify the authenticity of a message in an authentication process.
Encryption is the process of transforming plaintext or data into a form that cannot be read by anyone who does not have the key to decrypt it. The encrypted data is often referred to as ciphertext. The purpose of encryption is to protect the confidentiality and integrity of the data being transmitted or stored.
In authentication processes, encrypted attributes are often used to prevent others from reusing messages that have been captured during the authentication process. These attributes are pieces of information that are unique to each authentication session and are used to ensure that the message being transmitted is genuine and has not been tampered with.The encrypted attributes are typically stored in the authentication server's database. When a user logs in, the server generates a new set of encrypted attributes that are unique to that authentication session. These attributes are sent to the user's device and used to verify the user's identity. The attributes are then discarded by the server to ensure that they cannot be used again.To prevent others from reusing messages captured in the authentication process, the encrypted attributes are designed to be valid for a single use only. Once the message has been sent and received, the attributes become invalid and cannot be used again. This ensures that even if an attacker captures the message, they will not be able to use it to authenticate themselves.Know more about the Encryption
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How does the web effect your daily life?
Answers
Answer:
The web affects our daily life because we rely a lot on the internet to do a lot for us. An example would be, How to make a Blueberry Cake. Or, "How do I get to the coffee shop." The Internet helps us a lot in our daily life. The Internet was made to be Useful and Entertaining. And without the Internet, People would still be lost traveling to another state or trying to make a cake.
What is the purpose of the Print Area feature?
Answers
personalizing the online experience of people is not an advantage of online data and its use with regard to the 4 p's of marketing. true false
Answers
The given statement, "Personalizing the online experience of people is not an advantage of online data and its use with regard to the 4 p's of marketing" is false because personalizing the online experience of people is indeed an advantage of online data and its use in the context of the 4 P's of marketing.
The 4 P's of marketing refer to Product, Price, Place, and Promotion. Online data and its analysis enable marketers to personalize each of these aspects to cater to individual customer preferences and needs. Here's how online data can benefit each of the 4 P's:
1. Product: Online data helps gather insights about customer preferences, allowing marketers to tailor their product offerings, features, and customization options to better meet individual needs.
2. Price: Online data analysis enables dynamic pricing strategies based on factors like customer behavior, demand patterns, and competitor pricing, allowing marketers to offer personalized pricing incentives or discounts.
3. Place: Online data helps identify where customers are located, their preferred channels, and how they interact with various touchpoints. This information allows marketers to optimize their distribution channels and provide personalized recommendations for nearby stores or online platforms.
4. Promotion: Online data allows marketers to personalize marketing messages, advertisements, and promotions based on customer preferences, demographics, browsing behavior, and purchase history, resulting in more relevant and effective marketing campaigns.
By leveraging online data effectively, marketers can create personalized experiences that resonate with individual customers, enhancing customer satisfaction, engagement, and overall marketing effectiveness.
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data analyst wants a quick summary of the structure of their data frame, including the column names and the number of rows and variables. what function should they use?
Answers
A summary of a data frame's structure, including column names, row and variable numbers, and the kind of data stored, is returned by the str() function.
What are DataFrames in Python?A 2-dimensional labeled data structure called a "DataFrame" has columns that could be of many sorts. It can be compared to a spreadsheet, SQL table, or dictionary of Series objects. It is typically the pandas object that is used the most.Data for the function. Data frames, the primary data structure utilised by most of R's modelling tools, are closely tied collections of variables that share many characteristics with matrices and lists. Data frames are created via the frame() function.A Dataset is arranged into named columns to form a DataFrame. Similar in idea to a table in a relational database or a data frame in R or Python, but with more sophisticated optimizations.To Learn more About data frame Refer To:
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Select the correct text in the passage.
Select the sentence that is not the correct use of technology in parenting.
Technology has helped parents to access a vast information resource due to the presence of the internet. They can show a range of education
material like nursery rhymes, stories, scientific concepts, and so on conveniently on their smartphones. Teachers can coordinate with the
parents about the child's progress due to smartphones and various applications on it. Some parents have replaced the customary practice of
reading a bedtime story to children with a television show of the child's choice.
Reset
Next
Answers
Answer:
some parents have replaced the customary practice of reading a bedtime story to childern with a television show of the child's choice
Explanation:
What is the process that creates a shortcut on your taskbar?
pinning
O saving
sharing
O tying
Answers
Answer:
A. Pinning
Explanation:
I just took the test.
Answer:
a
Explanation:
As the different network types have evolved, careers in the Network Systems pathway
have changed over time. Discuss an example of how network system careers have
changed and how those changes have impacted society.
Answers
A network of computers known as a local area network, or LAN, is set up within a boundary, such as a building complex, office, or residential neighborhood. Alternatively, a wide-area network (WAN) is a kind of computer network.
What is a local area network?A local area network (LAN) is made up of several computers that are connected to create a network in a certain area. LANs use TCP/IP ethernet or Wi-Fi to connect the computers.An institution, like a school, office, association, or church, will typically be the only one to use a Network.A local area network (LAN) is a type of computer network that links computers that are near one another, such as those in a home, business building, school, lab, or university campus. A local area network is known as LAN. A LAN is a network that is contained inside a specific geographic region, typically a single building and is distinguished from a network by the number of linked computers it consists of.To learn more about local area network, refer to:
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the ip header contains a time-to-live (ttl) value. how is this value expressed?
Answers
The TTL value in the IP header is expressed as a numerical value ranging from 0 to 255. It represents the maximum number of network hops (routers) that a packet can traverse before being discarded.
How is the Time-to-Live (TTL) value represented in the IP header?The Time-to-Live (TTL) field in the IP header is represented as a numeric value ranging from 0 to 255. This value signifies the maximum number of hops that a packet can go through before being discarded.
In the IP header, the Time-to-Live (TTL) value is expressed as a numerical value ranging from 0 to 255. It indicates the maximum number of network hops that a packet can pass through before it is discarded. Each time the packet is forwarded by a router, the TTL value is decremented by one. When the TTL reaches zero, the packet is dropped and an error message (ICMP Time Exceeded) is sent back to the source.
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a computer software developer would like to use the number of downloads (in thousands) for the trial of his new shareware to predict the amount of revenue (in thousands of dollars) he can make on the full version of the shareware. suppose a linear regression produces a slope coefficient of 3.72. what is the correct interpretation? for each decrease of 1 thousand dollars, the expected revenue is estimated to increase by $3.27 thousands for each increase of 1 thousand downloads, the expected revenue is estimated to increase by $3.27 thousands for each decrease of 1 thousand dollars, the expected downloads is estimated to increase by 3.27 thousands for each increase of 1 thousand dollars, the expected number of downloads is estimated to increase by 3.27 thousands
Answers
According to the scenario, the correct interpretation of the slope coefficient for each is to increase of one thousand downloads, the expected revenue is estimated in order to increase by $3.72 thousand.
What is a software developer?A software developer may be characterized as a type of computer program that design, program, build, deploy and maintain software using many different skills and tools. They also help build software systems that power networks and devices and ensure that those systems remain functional.
According to the context of this question, a software developer is a company or person that significantly constructs or formulates software - either completely, or with other companies or people according to their work.
Therefore, the correct interpretation of the slope coefficient for each is to increase of one thousand downloads, the expected revenue is estimated in order to increase by $3.72 thousand.
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What are two possible challenges of online collaboration?
A. Outside noises like lawn mowers or sirens might be heard by
other team members.
B. Team members never get along while collaborating on a project.
C. Online collaboration that relies heavily on inputting text to
communicate can be challenging for those who have limited
keyboard skills.
D. Team members that are uncomfortable with online tools may feel
excluded.
Answers
The two possible challenges of online collaboration are:
c)Online collaboration that relies heavily on inputting text to
communicate can be challenging for those who have limited
keyboard skills.
d)Team members that are uncomfortable with online tools may feel
excluded.
What are the possible challenges due to online collaboration?
creating seamless communication is challenging.the vision that is blurry.The requirement to advance diversityfosters a culture of trust among team members.productivity issues.an employee with a negative mentality.destroying organizational silos.Lack of compliance and employee reluctance.Hence along with the above challenges, the ones that are noted as answers are considered more challenging
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100 points! What categories would you need to access to create a full program where a sprite paints a square on the screen?
A.
Motion, Pen, Control, Sensing
B.
Events, Pen, Looks, Operators
C.
Events, Pen, Motion
D
Variables, Pen, Operators
Answers
Answer:
i think its A. but im not sure
Answer:
A
Explanation:
I took the test and this was right
Can someone please answer this? It isn't Insert
Answers
Answer:
The answer for this question is b Add to
A student in correctly attempted to produce a random value in the range 1.6 using the expression.
6* ( int ) Math.random ( ) + 1
Correct the error in expression above to get the desired result.
Please answer it ASAP
Answers
Answer:
The answer to this question is given below in the explanation section
Explanation:
This is a javascript function. To return a value between the range of two numbers, we can use the following function "getRandom" that takes a minimum value and maximum value.
function getRandom(min, max) {
return Math.random() * (max - min) + min;
}
However, the correct code to produce a random value in the range of 1 to 6 using expression is :
Math.random() * (6-1) + 1;
this line of code return random number in rand of 1 to 6.