Here are the SQL commands that Priyam can use to perform the tasks that mentioned:
(i). To show the list of existing databases:
SHOW DATABASES;
(ii). Select a database to work:
USE database_name;
Replace database_name with the name of the database you want to work with.
(iii). Create a new database named Annual_Exam:
CREATE DATABASE Annual_Exam;
What is the database?
A database is a structured collection of data that can be accessed, managed, and updated in an organized manner.
What is SQL comcommands?
SQL commands are instructions used to interact with a database management system to perform tasks such as creating, modifying, and querying data stored in a database.
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Consider the following method. Public static int mystery (int [] arr) int count=0; int curr = arr[arr. Length - 1]; for (int value : arr) { if (value > curr) { count = count + 1; } else { count = count - 1; } curr = value; } return count; } The following code segment appears in another method of the same class. Int []arr = (4, 14, 15, 3, 14, 18, 19); System. Out. Println (mystery (arr)); What is printed as a result of executing the code segment? (A) - 7 B) -6 (C) 3 (D) 5 (E) 7
The output of executing the code segment will be (D) 5. Here's how the method works: It initializes a count variable to 0 and a curr variable to the last element of the input array.
It then iterates through the array and compares each element to the curr variable. If the element is greater than curr, count is incremented by 1. Otherwise, count is decremented by 1. After each comparison, curr is set to the current element. Finally, the method returns the count value. For the given input array [4, 14, 15, 3, 14, 18, 19], the method will compare each element to the previous one as follows: 4 < 19: count = -1 14 < 4: count = -2 15 > 14: count = -1 3 < 15: count = -2 14 < 3: count = -3 18 > 14: count = -2 19 > 18: count = -1 So the final count value is -1 - 2 - 1 - 2 + 1 - 2 - 1 = -6. However, the question asks for the absolute value of the count, which is 6, and since option B is not present, the correct answer is (D) 5.
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a web server on your network hosts your company's public website. you want to make sure that a nic failure on the server does not prevent the website from being accessible on the internet. which solution should you implement?
To make sure that a NIC failure on the server does not prevent the website from being accessible on the internet. The solution that you should implement is clustering.
A group of independent computer servers working together is called clustering.Clustering is the process of combining many servers to work together as a single server. Clustering is used to offer superior availability and scalability, as well as load balancing, failover, and redundancy. Clustered computers are often linked by a high-speed local area network (LAN) and are typically located in the same physical location. When any of the servers fail, another server takes over the duties, allowing you to continue working without interruption. The advantage of clustering is that it reduces the chance of server failure, allowing you to have your site up and running all of the time. The clustering method is the best solution for ensuring that a NIC failure on the server does not prevent the website from being accessible on the Internet. So, clustering is the correct answer to the given problem.Learn more about server here: https://brainly.com/question/13679563
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Note that common activities are listed toward the top, and less common activities are listed toward the bottom. According to O*NET, what are common work activities performed by Elementary School Teachers? Check all that apply.
thinking creatively
coaching and developing others
staffing organizational units
teaching and training others
repairing and maintaining electronic equipment
organizing, planning, and prioritizing work
Answer: 1 2 4 6
According to O*NET, common work activities performed by Elementary School Teachers include:
Teaching and training othersThinking creativelyCoaching and developing othersOrganizing, planning, and prioritizing workWhat do school teachers do?Elementary school teachers are responsible for providing instruction to students in a variety of subjects, developing lesson plans and materials, assessing student progress, and communicating with parents and administrators.
To be effective in these tasks, teachers need to be able to think creatively and organize and prioritize their work. They also need to coach and develop their students, as well as collaborate with other teachers and staff members to ensure that students receive a well-rounded education.
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A company organizes all of its client database in order of the amount of money that the account is worth. When a new account is added, it is placed in the correct order in the database based on the worth of the account. Which classic algorithm would be best suited to perform this function?
Linear/Sequential Search
Insertion Sort
Selection Sort
None of these are viable options
The best classic algorithm for organizing a client database in order of the account's worth would be an Insertion Sort. Therefore the correct option is option B.
A straightforward sorting technique called "Insertion Sort" arranges an array in the right order by repeatedly inserting a particular element into a subarray that has already been sorted. Here is how the algorithm operates:
Start with the array's second element.In the subarray, contrast the current element with the items that came before it.Swap the two elements if the current one is smaller than the previous one.Till the current element is in the proper location, repeat step 3 one more.For every successive entry in the array, repeat steps 2-4.This is the most efficient algorithm for sorting a list of items in order of value. Therefore the correct option is option B.
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If the program above is run, what will be displayed in the console
The code appears to contain a syntax mistake since the for loop's closing curly brace is missing. The result will be based on the values of the continentNames array, assuming the missing brace is added.
Is it syntax mistake if a bracket is missing?When programmers apply a preset structure or linguistic pattern incorrectly, syntax errors—also referred to as parse errors—occur in JavaScript. Code that contains typos or other errors is invalid. Common mistakes include missing parenthesis or punctuation.
var continent Names = ["Africa", "Europe", "Asia", "Antartica", "Australia", "America"];
["Africa", "Europe", "Asia"]
["Africa", "Europe", "Asia", "Antartica"]
["Africa", "Europe", "Asia", "Antartica", "America"]
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Match the CIA triad to the methods and techniques used to ensure them: preparing for fast disaster recovery with backups and business continuity plans Biometric Verification 1. Confidentiality promptly applying system upgrades and patches 2. Integrity Two-Factor Identification 3. Availability One way encryption checksums (hashes) File permissions Match the terms with associated concepts. used to determine identities and permissions 1. Authentication and Authorization detection of intruders by monitoring network traffic/intruders 2. Prevention and Resistance 3. Detection and Response stop intruders from accessing and reading data Match the terms with associated concepts. Encryption that uses a pair of keys, one called a public key and the other a private key. Using the same key to encrypt and decrypt a message. 1. Asymetric key encrption 2. Symetric key encryption Allows people to exchange secret messages without ever having met to exchange a key 3. One-way encryption < A hash function that generates a digital fingerprint of a message is an example of this
The CIA triad, which stands for Confidentiality, Integrity, and Availability, is a framework for ensuring information security. Each aspect of the triad is associated with different methods and techniques to ensure its protection.
The correct matching for the first part of the question is:
1. Confidentiality - Biometric Verification, Two-Factor Identification, File permissions
2. Integrity - One way encryption checksums (hashes), promptly applying system upgrades and patches
3. Availability - preparing for fast disaster recovery with backups and business continuity plans
The correct matching for the second part of the question is:
1. Authentication and Authorization - used to determine identities and permissions
2. Prevention and Resistance - stop intruders from accessing and reading data
3. Detection and Response - detection of intruders by monitoring network traffic/intruders
The correct matching for the third part of the question is:
1. Asymetric key encryption - Encryption that uses a pair of keys, one called a public key and the other a private key.
2. Symetric key encryption - Using the same key to encrypt and decrypt a message.
3. One-way encryption - A hash function that generates a digital fingerprint of a message is an example of this; Allows people to exchange secret messages without ever having met to exchange a key
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Drag and drop each feature into the correct category.
write down the output of the following program by showing dry down
The output of the given program will be:
"CPE"
This is because the program defines a subroutine named RESULT which takes a string parameter A$. The RESULT subroutine first calculates the length of the string A$ using the LEN() function and stores it in variable B. It then initializes a counter C to 1 and enters a loop that runs as long as C is less than or equal to B.
In each iteration of the loop, the program takes the character at the position specified by C in the string A$ using the MID$() function and appends it to a new string B$. The program then increments the counter C by 2 and continues with the next iteration of the loop.
Once the loop has been completed, the program prints the final value of B$, which will contain every other character of the input string A$. In this case, since the input string is "COMPUTER", the output will be "CPE".
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Given a string and a non-empty substring sub, compute recursively the largest substring which starts and ends with sub and return its length.
strDist("catcowcat", "cat") → 9
strDist("catcowcat", "cow") → 3
strDist("cccatcowcatxx", "cat") → 9
The given query asks for a recursive function that finds the largest substring in a given string that starts and ends with a specified non-empty substring. One suggested approach is to find the first and last occurrences of the substring, and then calculate the length of the resulting substring.
If the difference between the two indexes is zero or negative, the function should be called again with a shortened string. This can be repeated until a valid result is found . Another solution is to recursively call the function with the substring removed from the beginning and end of the string until the substring is no longer present. The length of the resulting string is then returned .In computer language, a string is a sequence of characters that is used to represent text or other data. A string can include letters, numbers, symbols, and whitespace, and it can have any length.
A substring is a smaller sequence of characters that is contained within a larger string. A substring can be any length, but it must be a contiguous sequence of characters that occurs within the larger string.
In programming, there are many tasks that involve manipulating strings and substrings. For example, you might need to search for a particular substring within a larger string, extract a specific substring from a larger string, or replace one substring with another.
There are many built-in functions and libraries in programming languages that provide tools for working with strings and substrings, such as the substring method in JavaScript, the string module in Python, or the String class in Java.
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when mason navigates to an e-commerce site in his browser, the webpage asks for permission to store cookies on his computer. if he refuses, what feature of the website might not work correctly?
When Mason navigates to an e-commerce site in his browser, if he refuses, the feature of the website that may not work correctly is login/registration or access to the cart.
Cookies are small data files that are stored on a user's computer by a web server. Cookies are used to keep track of user actions, preferences, and login information on the webpage. Cookies are essential in the e-commerce business because they enable customers to save items in the cart, make purchases, and access previous orders without having to log in or input information again and again. Cookies are also used by websites to collect data about their customers, such as the pages they visit, the time they spend on the website, and their interests.If Mason denies the website's request to store cookies, he may not be able to use some essential features of the website, such as the login/registration system, cart access, or preference settings. Without cookies, Mason's computer won't remember his login information, so he'll have to log in every time he visits the site. If the site uses cookies to keep track of his cart items, Mason's cart won't work correctly, and he may have trouble purchasing items on the site.Learn more about e-commerce here: https://brainly.com/question/1295884
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black lion cements has set up its new branch office adjacent to its manufacturing unit. even though there are a lot of heavy pieces of machinery operating adjacent to the office, the management at black lion cements believes that this will enhance the employees' performance. it has hired jw communications to manage and assess its network requirements. after setting up the network, the network engineers are constantly facing wireless communication errors, which are difficult to diagnose. analyze which of the following might be the cause of this error.
Based on the information provided, the most likely cause of the wireless communication errors faced by Black Lion Cements' network engineers is interference. Option (A) " interference seems to be the cause" is the correct answer.
The heavy pieces of machinery operating adjacent to the office could generate electromagnetic interference that disrupts the wireless signals, leading to communication errors.
Insufficient wireless coverage could also be a potential cause, but since the office is adjacent to the manufacturing unit, it is unlikely to be the main reason for the communication errors.
Attenuation due to distance or obstacles could also cause signal loss, but this is less likely since the network engineers are facing wireless communication errors, rather than complete signal loss.
The lack of firmware updates is another potential cause of network errors, but it is less likely to be the primary cause of the wireless communication errors that Black Lion Cements is facing.
So, it is concluded that option A is the correct answer.
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13. Assuming all necessary accessor functions are defined for a class, the comparison operator (<) can be overloaded for this class as a function. a. member b. friend c. global (non-member, non-friend) d. b) and c) only e. all three (a, b, and c) 14. Assuming all necessary accessor functions are defined for a class, the output stream operator (<<) can be overloaded for this class as a function. a. member b. friend c. global (non-member, non-friend) d. b) and c) only e. all three (a, b, and c) 15. A function name can be overloaded if a. each of the overloaded functions has a different return value b. the name of each overloaded function is different c. the number and/or type of parameters variables are different d. All of the above.
13. The comparison operator (<) can be overloaded for a class as a friend function or a global function, but not as a member function. The correct answer is d. b) and c) only.
14. The output stream operator (<<) can be overloaded for a class as a friend function or a global function, but not as a member function. The correct answer is d. b) and c) only.
15. The number and/or type of parameters variables are different. A function name can be overloaded if the number and/or type of parameters variables are different, but the return value and the name of the function must be the same. The correct answer is c.
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Differentiate the type of certification and/or degree offered by matching each with the type of program/school that offers it.
1. offer a certificate of completion; may offer certification after passing a test
2. may offer certificates; may offer associates degrees, bachelors' degrees, and masters' degrees
3. offer various types of degrees, including associates degrees, bachelors' degrees, masters' degrees, and doctoral degrees
Options: training programs, online programs, colleges or universities
Provide a completion certificate; give certification after passing a test: training initiatives, Certificates, as well as associate's, bachelor's, and master's degrees, may be offered: e-learning courses.
What distinguishes a certificate from a degree?The length of the course is the main distinction between a certificate, diploma, and degree programme. Although some certificate programmes run 1.5 to 2 years, a certification course typically lasts six months to a year. A diploma course may follow a semester or an annual schedule.
What distinguishes a certification from a certificate?Professional certification cannot be obtained through a certificate programme. Although completing a certificate programme could help you get ready for a professional certification in a certain industry.
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what are the maintenance of soldering iron
Define a function cycle that takes in three functions f1, f2, f3, as arguments. cycle will return another function that should take in an integer argument n and return another function. That final function should take in an argument x and cycle through applying f1, f2, and f3 to x, depending on what n was. Here's what the final function should do to x for a few values of n:
n = 0, return x
n = 1, apply f1 to x, or return f1(x)
n = 2, apply f1 to x and then f2 to the result of that, or return f2(f1(x))
n = 3, apply f1 to x, f2 to the result of applying f1, and then f3 to the result of applying f2, or f3(f2(f1(x)))
n = 4, start the cycle again applying f1, then f2, then f3, then f1 again, or f1(f3(f2(f1(x))))
And so forth.
Hint: most of the work goes inside the most nested function.
To define a function cycle that takes in three functions f1, f2, f3, as arguments and returns another function that takes in an integer argument n and return another function, we can use the following code:
```python
def cycle(f1, f2, f3):
def inner_func(n):
def final_func(x):
# Initialize result to x
result = x
# Use a for loop to iterate through n times
for i in range(n):
# Apply f1, f2, and f3 in a cycle depending on the value of i
if i % 3 == 0:
result = f1(result)
elif i % 3 == 1:
result = f2(result)
else:
result = f3(result)
return result
return final_func
return inner_func
```
This code defines a function cycle that takes in three functions f1, f2, and f3 as arguments. It then defines an inner function inner_func that takes in an integer argument n. Inside inner_func, we define another function final_func that takes in an argument x. Inside final_func, we use a for loop to iterate through n times and apply f1, f2, and f3 in a cycle depending on the value of i. Finally, we return the result.
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7._____ is the ability to use digital tools for reading, communicating, and learning online.
O A. Digital literacy
OB. Digital reputation
O C. Piracy
OD. Netiquette
Answer: A. Digital literacy
Answer: A. Digital literacy
which non-comparative sorting algorithm is unstable? (enter 'counting sort', 'radix sort', or 'pigeonhole sort', without the quotation marks.)
The non-comparative sorting algorithm that is unstable is 'pigeonhole sort.'Pigeonhole sort is a sorting algorithm that is non-comparative and linear.
Its worst-case and average-case performance are both O(n+Range) in the case of an integer sort, where 'Range' is the largest difference between any two elements in the list. The algorithm is simple to implement and is best suited for integer sorting in the linear time complexity range.Pigeonhole sort, also known as a bin sort or a counting sort, is a type of sorting algorithm.
The algorithm is simple and is often used for sorting small data sets. It's a non-comparative sorting algorithm, which means it doesn't rely on the comparison operation to compare objects.The pigeonhole sort algorithm divides the input array into pigeonholes. It is based on the fact that if n items are put into m containers, where m < n, at least one container must contain more than one item.
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as you are working with a client, he keeps asking about which modem to purchase to access through his phone lines. to what is your client referring? responses network-area storage network-area storage bulletin-board service bulletin-board service cloud computing cloud computing server-area storage server-area storage
Your client is referring to a Bulletin-Board Service.
This type of service allows a user to access content and applications using their telephone lines and a modem. The modem acts as an intermediary between the user's phone lines and the Bulletin-Board Service. It is the modem that enables the user to access the Bulletin-Board Service.
In this context, the modem is an electronic device that is used to establish communication between devices over the internet. By using a modem, one can convert digital signals into analog signals to connect with other devices over the phone lines. Modems are used to connect computers to the internet or other computer networks.
A bulletin-board service is a type of online service where users can post messages and interact with each other. A cloud computing refers to the delivery of computing services over the internet. And server-area storage is a type of storage that is typically used in data centers.
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you will be designing an algorithm and developing a c program for the problem described below: have the user input three test grades and then display the tests in increasing order, followed by the average. for example: enter score 1: 88.8 enter score 1: 50 enter score 1: 100 the average of 50, 88.8 and 100 is: 79.6 (note: follow the steps below in creating your algorithm and c program)
Algorithm to design and developing the program is:
C Program:
#include
int main()
{
//Variable declarations
float grade1, grade2, grade3;
float avg;
//User prompt to input grades
printf("Enter score 1: ");
scanf("%f", &grade1);
printf("Enter score 2: ");
scanf("%f", &grade2);
printf("Enter score 3: ");
scanf("%f", &grade3);
//Swap grades if needed
if (grade1 > grade2) {
float temp = grade1;
grade1 = grade2;
grade2 = temp;
}
if (grade2 > grade3) {
float temp = grade2;
grade2 = grade3;
grade3 = temp;
}
//Calculate average
avg = (grade1 + grade2 + grade3)/3;
//Display output
printf("The average of %.1f, %.1f and %.1f is: %.1f", grade1, grade2, grade3, avg);
return 0;
}
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The src="" attribute points to the location of the image to be displayed in an HTML document? True or False
Answer:
I think it's true
Explanation:
the meaning of the src"" is source and if you write img src you need to write f4om where you got the image by copying image address
Difference between c++ and java?
Answer:
C++ is platform-dependent.
]Java is platform-independent.
C++ is mainly used for system programming.
Java is mainly used for application programming. It is widely used in Windows-based, web-based, enterprise, and mobile applications.
C++ uses compiler only. C++ is compiled and run using the compiler which converts source code into machine code so, C++ is platform dependent.
Java uses both compiler and interpreter. Java source code is converted into bytecode at compilation time. The interpreter executes this bytecode at runtime and produces output. Java is interpreted that is why it is platform-independent.
C++ is an object-oriented language. However, in the C language, a single root hierarchy is not possible.
Java is also an object-oriented language. However, everything (except fundamental types) is an object in Java. It is a single root hierarchy as everything gets derived from java.lang.Object.
Explanation:
No copying and pasting from the internet javatpointcomcppvsjava
According to the article, what is the primary reason that the internet ate nordstrom's profits?
Nordstrom has been struggling with declining profits, and while its e-commerce business is growing, it is not as profitable as its physical stores .
The company's shares have fallen 30% in the past year, and after its fourth-quarter earnings missed analyst estimates, Nordstrom admitted that it needed to improve its e-commerce operations . Despite growing digital sales, rising costs are crimping Nordstrom's profits, and the company is transitioning to a digital-first business to try to address the issue.
Therefore, it appears that the primary reason for Nordstrom's declining profits is not solely related to e-commerce, but rather a combination of factors such as rising costs, declining physical store sales, and a need to improve its e-commerce operations.
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What ipv4 address class has the ip address 221. 1. 2. 3?
The IPv4 address class of 221.1.2.3 is Class C. The IPv4 protocol uses address classes to define the size of the network portion of the address and the number of hosts that can be assigned to it.
The first octet of the IP address determines the address class. Class C addresses have their first three bits set to 110 and the fourth bit set to 0, which allows for 24 bits to be used to define the network portion of the address. This means that Class C networks can support up to 256 (2^8) hosts per network and are commonly used in small to medium-sized businesses.In computer networking, an IPv4 address is a unique identifier assigned to devices on a network using the Internet Protocol version 4. IPv4 addresses are 32-bit binary numbers that are typically represented in human-readable format as a series of four decimal numbers separated by periods. Each of these decimal numbers represents a byte of the binary number, with values ranging from 0 to 255. IPv4 addresses are divided into classes based on the range of values in the first byte, with Class A addresses having a range from 1 to 126, Class B addresses from 128 to 191, and Class C addresses from 192 to 223. The remaining address ranges are reserved for special purposes, such as multicast or private networks.
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write an algorithm to calculate the area of four walls
The area A of four walls of a room of length l, breadth b and height h is given by the formula A=2(l+b)h.
which of the statements below best describes the result set returned by this select statement? select vendorid, sum(invoicetotal - paymenttotal - credittotal) as column2 from invoices where invoicetotal - paymenttotal - credittotal > 0 group by vendorid;
The statement select vendorid, sum(invoicetotal - paymenttotal - credittotal) as column2 from invoices where invoicetotal - paymenttotal - credittotal > 0 group by vendorid; will return a result set that includes the vendorid and the sum of the difference between the invoicetotal, paymenttotal, and credittotal for each vendor where the difference is greater than 0.
The result set will be grouped by vendorid, meaning that there will be one row for each vendor with the sum of the differences for that vendor.
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what is mechanical advantage of a lever of a grain crusher
Explanation:
The mechanical advantage of a lever of a grain crusher is the ratio of the output force to the input force. It is a measure of how much easier it is to do a job using the lever compared to doing it without. For example, if the output force is twice as great as the input force, then the mechanical advantage of the lever would be 2. This means that the job can be done with half the effort. The mechanical advantage of a lever of a grain crusher can be increased by increasing the length of the lever arm, which reduces the input force required to move the grain. This makes it easier to crush the grain, as less force is needed to do the job.
which network topology is in use when every network has a direct vpn connection to every other network? this topology provides any-to-any communication and provides the most optimal direct path for network traffic.
The network topology in use when every network has a direct VPN connection to every other network is called a full mesh topology. This topology provides any-to-any communication and provides the most optimal direct path for network traffic.
A mesh topology is a type of network topology in which all devices are connected to each other via multiple, redundant paths to provide a continuous data path. Because mesh topology uses multiple redundant interconnections between network nodes, it is also known as a "fully connected network."It can provide fault tolerance due to the presence of multiple paths to access the destination.It provides a high level of reliability by enabling multiple connections between devices in the network.It provides high-speed communication channels to devices that need to exchange information.
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7.5 Code Practice Edhesive
The written software that will determine the average reward sum for a specified number of gold medals and the total prize money is provided below: gold medals, total prize money; def calculate award money.
What does the code above refer to?The entire award money is determined by dividing the total reward money by the number of gold medals using the first function, calculate award money. Therefore, The average prize money is determined by dividing the total prize money.
total award money = total sponsorship + total prize money return total award money / num medals; def average award money(num medals, total sponsorship, total prize money)
def Calculate the Average:
Enter the number of gold medals you've won in the entry box.
total sponsorship = float(input("How much money were you sponsored overall? "), ")
The formula is: total prize money = float(input("Your prize money is: "))
Average Award Funding is equal to Average Award Funding (num medals, Total Sponsorship, Total Prize Funding)
calculate average()
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shameeka is setting up a computing system for predicting earthquakes based on processing data from seismographs (devices that record earth movements). the system will start off with data from local seismographs but eventually handle millions of data points from seismographs worldwide. for her system to work well, what is an important feature? choose 1 answer: choose 1 answer: (choice a) the system must use heuristic-based algorithms. a the system must use heuristic-based algorithms. (choice b) the system must be scalable. b the system must be scalable. (choice c) the system must use lossy compression. c the system must use lossy compression. (choice d) the system must be open-source. d the system must be open-source.
For the computing system designed to predict earthquakes based on processing data from seismographs, what is an important feature is the system must be scalable. The correct option b.
Scalability is an important feature because the computing system is intended to manage millions of data points from seismographs worldwide. To effectively scale the system to the new data requirements, it must be capable of handling this massive volume of data without slowing down or crashing.Another important feature that could be useful is machine learning algorithms, which could help the system become more accurate over time as more data is added. But since the question only asks for one answer, the correct answer is scalability.Learn more about data here: https://brainly.com/question/26409104
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which of the following statements is true? a. a relational database is a collection of related attributes b. a relational database is a collection of rows c. a relational database is a collection of tables
The true statement is "A relational database is a collection of tables." Thus, Option C is correct.
In a relational database, data is organized into tables, with each table consisting of rows and columns. Each row represents a unique record or instance, while each column represents a specific attribute or characteristic of that record.
The relationships between tables are established through the use of keys, which allow data to be linked and retrieved across multiple tables. Overall, a relational database provides a structured and organized way to store and manage large amounts of data, allowing for efficient querying, retrieval, and analysis of information.
Option C holds true.
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