Aggregate functions apply to groups of rows. T/F
Answers
True. Aggregate functions are commonly used in SQL queries for data analysis and reporting purposes, and can help to quickly summarize large amounts of data.
Aggregate functions are used in SQL to calculate summary values from groups of rows in a table. These functions perform operations on a set of values and return a single result, which represents a summary of the values in the group.
Aggregate functions can be used to calculate various summary statistics, such as the sum, average, minimum, maximum, or count of a group of values. For example, the SUM function can be used to calculate the total value of a set of numbers in a group, while the AVG function can be used to calculate the average value.
To apply an aggregate function to a group of rows, the rows must first be grouped together using the GROUP BY clause in the SQL query. The grouping operation divides the data into subsets based on the values in one or more columns, and the aggregate function is then applied to each subset to calculate the summary value.
To learn more about Aggregate visit;
brainly.com/question/31191847
#SPJ11
Related Questions
what is the full form for OMR?
Answers
Answer:
The full form of OMR is Optical Mark Recognition
Which statement best describes the qualifications for Information Technology professions?
A. Most Information Technology fields require no training for entry level positions
B. Most Information Technology fields require a certification in addition to a degree.
C. Most Information Technology fields require at least a bachelor’s degree for entry level jobs.
D. Most Information Technology fields require at least a technical certificate for entry level jobs.
Answers
Answer:
Which statement best describes the qualifications for Information Technology professions? Most Information Technology fields require at least a technical certificate for entry level jobs.
Kali, a python programmer is using the turtle module to write the word hello, which code should she use to indicate the location to begin writing the word? A. # pick up the turtle and move it to it's starting location. B prenup (-100,200) Goto() Pendown() C. Penup() Goto(-100,200) Pendiente D. # pick up the turtle and move it to (-100,200)
Answers
Answer:
C:
penup()
goto(-100, 200)
pendown()
Explanation:
This is the correct syntax.
Option A is just a note since is has a #
Option B doesn't have the correct syntax.
Option C is also just a note
Thus, Option C is the correct option.
Answer:
Answer is C.
Explanation:
penup()
goto(-100, 200)
pendown()
a new layer 3 switch is connected to a router and is being configured for intervlan routing. what are three of the five steps required for the configuration?
Answers
To configure inter-VLAN routing on a new Layer 3 switch connected to a router, here are three steps you need to follow:
Enable IP routing: By default, Layer 3 switches operate in Layer 2 mode and do not perform routing functions. To enable inter-VLAN routing, you need to enable IP routing on the Layer 3 switch. This can usually be done using the command ip routing or ip routing enabled in the switch's configuration mode.
Create VLANs: VLANs (Virtual Local Area Networks) divide a network into logical segments, and inter-VLAN routing allows communication between these VLANs. You need to create VLANs on the Layer 3 switch to separate the different segments. Use the command vlan <vlan_id> to create each VLAN, where <vlan_id> is the identifier for each VLAN.
Configure VLAN interfaces: Each VLAN requires an interface on the Layer 3 switch to facilitate routing between VLANs. These interfaces are known as SVIs (Switched Virtual Interfaces). You need to configure an SVI for each VLAN and assign an IP address to each interface. This can be done using the command interface vlan <vlan_id> followed by the IP address assignment with the ip address <ip_address> <subnet_mask> command.
Remember that these steps assume you have already connected the Layer 3 switch to the router and have the necessary physical connections established. Additionally, there may be additional steps required depending on the specific switch model and configuration requirements.
Learn more about IP address on:
https://brainly.com/question/31171474
#SPJ1
Your school is hosting a diving contest, and they need a programmer to work on the scoreboard! Your job is to calculate each diver's total after the three judges hold up their individual scores. Write the function calculate_score which takes a tuple of three numbers from 0 to 10 and calculates the sum. A perfect dive is worth 30 points, a belly flop is worth 0. For example: calculate_score((10, 10, 10)) # => 30 calculate_score((9, 9, 6)) # => 24
Answers
Answer:
def calculate_score(setss):
num1, num2, num3= setss
if num1 >= 0 and num1 <=10 and num2>= 0 and num2<=10 and num3>= 0 and num3<=10:
print(num1+ num2+num3)
else:
print("Out of range")
Explanation:
I've added the full source code as an attachment, where I used comments as explanation
find the indicated area under the standard normal curve calculator
Answers
To find the indicated area under the standard normal curve using a calculator, follow these steps: identify the specific area or range, convert the values to z-scores, use a calculator or table to find the probabilities, and add or subtract the probabilities as needed.
To find the indicated area under the standard normal curve using a calculator, we can use the cumulative distribution function (CDF) of the standard normal distribution. The CDF gives the probability that a random variable from the standard normal distribution is less than or equal to a given value.
Here are the steps to follow:
Identify the specific area or range you want to find under the standard normal curve.Convert the given values to z-scores using the formula: z = (x - mean) / standard deviation, where x is the given value, mean is the mean of the standard normal distribution (which is 0), and standard deviation is the standard deviation of the standard normal distribution (which is 1).Use a standard normal distribution table or a calculator with a built-in CDF function to find the probability associated with the z-scores.If using a calculator, enter the z-scores into the calculator and use the CDF function to find the probabilities.If using a standard normal distribution table, locate the z-scores in the table and find the corresponding probabilities.Add or subtract the probabilities depending on whether you want to find the area to the left or right of the given values.By following these steps, you can find the indicated area under the standard normal curve using a calculator.
Learn more:About indicated area here:
https://brainly.com/question/30608073
#SPJ11
Use research techniques to select examples of media products that have approached the
topic in different ways. You must select at least one media product from each of these
sectors:
• audio/moving image
• print
• interactive media products.
Based on these examples, you should undertake research that covers:
• forms of media products
• the purposes of media products
• types of audience and how they interpret and respond to media products
• the relationship between media products, their purpose and audience.
Suggested evidence
One or any combination of:
• written analysis
• research log
• presentations with speaker notes
• recordings of audio-visual presentations
• screen capture/recordings.
Answers
One media product from different sectors given is:
audio/moving imageforms of media productsresearch logWhat are media products?Media products normally have two parts: a nonmaterial element (content, which includes persuasive, fictional, and journalistic elements) and a material element.
Any book, magazine, or other media product in any format, including any subscription thereof, offered through an Amazon Site is referred to as a "media product."
Any internet-based form of communication, including websites, emails, mobile devices, and streaming apps, can be categorized as new media.
Therefore, the correct options are a, a, and b.
To learn more about media products, refer to the link:
https://brainly.com/question/9696601
#SPJ1
Digital filmmaking has taken over as the dominant technology in the film industry. group of answer choices true false
Answers
Digital filmmaking has revolutionized the film industry. The industry has now embraced digital technology as the dominant technology over analog film.
The transition to digital has been a long and gradual process that started in the late 1980s. Initially, digital cameras were utilized only for special effects and inserts in conventional movies. But today, almost all films are shot on digital cameras and edited on computer systems.
Digital filmmaking has numerous benefits such as easier editing, better image quality, and instant feedback. As a result, digital filmmaking has now taken over as the dominant technology in the film industry.
To know more about Digital filmmaking visit:
https://brainly.com/question/18370949
#SPJ11
Pleaseee Help!!!!
What industry holds a significant place in the commercial phere of economies all over the world due to factors such as the growing variety of game hardware and peripheral devices, emerging markets, and increasingly diversified demographics?
A)The Medical software industry
B)The video game industry
C)The graphic artistry industry
D)The international travel industry
Answers
Hope this helps!!
And do you want an explanation?
In comparison with a flat file system, _____ in a database.
A. storage space is reduced
B. programs and data are interdependent
C. complex requests cannot be handled easily
D. data redundancy is introduced
Answers
In comparison with a flat file system, programs and data are interdependent in a database.
What is the database?A database is a collection of data that is structured and organized for easy access, storage, and manipulation. It typically contains multiple tables, each of which contains records (rows) that have data fields (columns). The data in a database can be accessed, updated, and deleted using a variety of query languages, such as Structured Query Language (SQL). Databases are used in a wide variety of applications, such as banking, government, education, healthcare, and retail. They can be used to store large amounts of data quickly and reliably, and can be used to provide better decision-making capabilities to businesses and organizations.
To learn more about database
https://brainly.com/question/24027204
#SPJ1
a data center technician is setting up high-speed connections between servers and storage but wants to save on cost. what would be a good way to do this?
Answers
One way for the data center technician to save on cost while setting up high-speed connections between servers and storage is to consider using Ethernet-based storage networks instead of traditional Fibre Channel-based storage networks.
Ethernet-based networks are less expensive to deploy and maintain as they use standard Ethernet cabling and switches, which are readily available and more cost-effective compared to specialized Fibre Channel components. Additionally, Ethernet-based networks can provide high speeds through technologies such as iSCSI and FCoE, which allow storage traffic to be encapsulated within Ethernet packets. This approach can result in a lower overall cost of ownership while still providing the necessary high-speed connections for the data center's servers and storage.
To know more about Ethernet visit:
https://brainly.com/question/31720019
#SPJ11
Which group contains the command to manually conduct a spell check ?
Answers
Answer:To check spelling in a Word document, open up the document, head to the “Review” tab, then click on “Spelling & Grammar” (part of the “Proofing” group of tools). Then a window will appear showing the first word the program believes to be misspelled. Click through the options to review the whole document.
Explanation:Hope this helped u out btw can i plz have brainlist only if u wanna give me brainlist though have an great day kind sir or ma'am!
In python, one can have a list of variables on the left side of the assignment operator. True/false
Answers
True. In Python, you can have a list of variables on the left side of the assignment operator. This is known as multiple assignment or unpacking. It allows you to assign multiple values to multiple variables in a single line of code.
To perform multiple assignment, you simply create a comma-separated list of variables on the left side of the assignment operator and a corresponding comma-separated list of values on the right side. The number of variables and values must match.
For example:
a, b, c = 1, 2, 3
In this case, the values 1, 2, and 3 are assigned to variables a, b, and c respectively.
You can also use multiple assignment with lists or tuples. For example:
my_list = [1, 2, 3]
a, b, c = my_list
Here, the values in the list [1, 2, 3] are assigned to variables a, b, and c.
To know more about Python visit:
https://brainly.com/question/30391554
#SPJ11
What is the maximum valid range for ip addresses that can be assigned to hosts on the following network: 134.170.185.46 255.255.128.0
Answers
The given IP address is \(134.170.185.46\), and the subnet mask is \(255.255.128.0\). To determine the maximum valid range of IP addresses, we need to calculate the network address and the broadcast address.
Step 1: Convert the subnet mask to binary form.
The subnet mask\(255.255.128.0\) can be represented as\(11111111.11111111.10000000.00000000\) in binary.
Step 2: Perform a bitwise AND operation between the IP address and the subnet mask.
By performing the bitwise AND operation, we get the network address.
IP Address: \(10000110.10101010.10111001.00101110\)
Subnet Mask: \(11111111.11111111.10000000.00000000\)
Network Address: \(10000110.10101010.10000000.00000000\)
The network address is 134.170.128.0.
Step 3: Calculate the number of host addresses.
The subnet mask\(255.255.128.0\) has 17 bits dedicated to the network portion and 15 bits for the host portion. In this case, the host portion can accommodate \(2^15 - 2 = 32,766\) host addresses (2 reserved addresses for network and broadcast).
Step 4: Determine the broadcast address.
The broadcast address is obtained by setting all host bits to 1.
Network Address: \(10000110.10101010.10000000.00000000\)
Broadcast Address: \(10000110.10101010.10111111.11111111\)
The broadcast address is \(134.170.191.255\).
The maximum valid range of IP addresses that can be assigned to hosts on this network is from \(134.170.128.1\)to \(134.170.191.254\).
To know more about binary visit:-
https://brainly.com/question/33333942
#SPJ11
(t/f) a benefit of not immediately writing to disk when an application performs a file write operation is that i/o scheduling can be more effective.
Answers
True, a benefit of not immediately writing to disk when an application performs file write operation is that I/O scheduling can be more effective. This approach allows the operating system to optimize the order and timing of disk writes, which can lead to improved overall performance and efficiency.
Delaying the write operation and holding data in a buffer before committing it to disk is known as write-back caching.
This technique can enhance I/O performance because it allows multiple write operations to be combined into a single larger write request, thus reducing overhead associated with file system updates. When an application writes data to disk, the operating system usually has to perform several tasks, such as locating a free disk block, updating the file system data structures, and updating the disk cache. These tasks can take time, especially if the disk is heavily used. Write-back caching can reduce the frequency of these tasks and allow more efficient use of the disk, resulting in better I/O performance.However, it's important to note that write-back caching also has its drawbacks. One major disadvantage is that it increases the risk of data loss in case of system crashes or power failures. If data is only stored in the buffer and hasn't yet been committed to disk, it can be lost if the system crashes before the write operation is completed. Therefore, it's crucial to use reliable backup mechanisms and/or employ a journaling file system to ensure data integrity when using write-back caching.Know more about the file write operation
https://brainly.com/question/30527629
#SPJ11
How many times can a simulation be repeated?
Answers
Answer:
Explanation:
A general idea is that you should repeat the simulation until the results converge. An easy but illustrative example of this is that we want to see if the R function rbinom is accurate in simulating a coin toss with a given probability. We will simulate one coin toss 10000 times, and plot the percentage of heads against the number of coin tosses:
set.seed(1)
n <- 10000
result <- NULL
percent <- NULL
for (i in 1:n) {
result[i] <- rbinom(1,1,0.5)
percent[i] <- sum(result)/i
}
plot(seq(1:10000),percent, type="l")
abline(0.5, 0, lty=2)
►Write
a python program that will convert Fahrenheit Temperature to Celsius and
Celsius Temperature to Fahrenheit
►Formulae
needed:
►°C
= (°F – 32) x 5/9
►°F
= (°C × 9/5) + 32
Answers
Answer:
import math
C_or_F = input("Enter C for Celcius or F for Farenheit: ")
if C_or_F == 'F':
F = int(input("Enter degrees in Fahrenheit: "))
Fahrenheit =(F-32)*(5/9)
print(Fahrenheit,"°")
if C_or_F == 'C':
C = int(input("Enter degrees in Celcius: "))
Celcius = (C*(9/5))+32
print (Celcius,"°")
Explanation:
The first input determines if it is Fahrenheit or Celcius. The second inputs determine how many degrees in that unit of temperature.
How to block text messages from email addresses iphone?.
Answers
Answer:
Go to Settings -> Messages, scroll down to "Message Filtering" section and click into "Unknown & Spam". Enable "Filter Unknown Senders" and SMS Filtering.
Explanation:
This should turn off iMessage notifications if the text comes from addresses that are not in your contacts, unless you have replied to it.
Which of the following best describes professional behavior in the IT field?
Answers
Answer:A
Explanation:
Please please help I don’t understand this please
Answers
Answer:
Process the data
Explanation:
Step one process the data
Step two:define the problem
Step three:check for accuracy
Step four:gather data from the user
first calculating device
Answers
Answer:
abacus is first calculating device
If you're running a server, which one of the follow operating systems would be best suited for your server?
Answers
If you're running a server, the operating system that would be best suited for your server is Ubuntu server.
What is Ubuntu Server used for?Ubuntu Server is known to be a type of a server operating system, that is known to have been created by Canonical and open source programmers all over the world.
It is known to be one that works with almost any hardware or virtualization platform and as such, one can say that If you're running a server, the operating system that would be best suited for your server is Ubuntu server.
Learn more about operating system from
https://brainly.com/question/22811693
#SPJ1
Transitioning your social media to a more professional look is appropriate when starting to look for a job. True or False?
Answers
True. Having a professional look on your social media is important when looking for a job.
What is social media?Social media are social technologies that make it easier to create and share content across virtual communities and networks, including information, opinions, interests, and other kinds of expression.
It not only shows employers that you are serious about your career and your future, but it also helps to present yourself in a more positive light. Having a professional look on your social media can help to show employers that you are organized, knowledgeable, and have a certain level of competence and skill. Additionally, when employers look for potential candidates, they may search for them on social media to get a better understanding of the individual. Therefore, it is important to make sure that your social media reflects a professional image.
To learn more about social media
https://brainly.com/question/1163631
#SPJ4
T/F: a homegroup offers better security than workgroup sharing
Answers
True, a homegroup offers better security than workgroup sharing.
A homegroup is a feature in Windows that allows devices on a home network to easily share files and printers. It provides better security than workgroup sharing because it uses a password to control access to shared resources. Only those with the homegroup password can access the shared files and printers, ensuring that unauthorized users cannot access your shared resources. Additionally, homegroups make it easier to manage permissions and user access, further enhancing security.
Learn more about Windows here:
https://brainly.com/question/31252564
#SPJ11
Tracy always starts facing which direction?
Answers
Answer:
tracy starts facing east
Explanation:
The time Yanni runs to catch Tracy is 20 minutes.
We are given that;
Speed of tracy= 1mile in 10min
Now,
We need to find the distance that Tracy and Yanni have traveled when they meet.
Let x be the time (in minutes) that Yanni runs, then Tracy runs for x + 20 minutes.
Since their speeds are given in miles per minute, we can write the following equations:
Distance traveled by Tracy = 1/10 * (x + 20)
Distance traveled by Yanni = 1/5 * x
They meet when their distances are equal, so we can set the equations equal and solve for x:
1/10 * (x + 20) = 1/5 * x
Multiply both sides by 10 to clear the fractions: x + 20 = 2x
Subtract x from both sides: 20 = x
Therefore, by algebra the answer will be 20 minutes.
More about the Algebra link is given below.
brainly.com/question/953809
#SPJ6
The complete question is;
Tracy is running a trail in Hanna park she can run 1 mile in 10 minutes Yanni is running the same trail as Tracy Johnny can run a mile in five minutes but starts running 20 minutes after Tracy started on the trail if they started the trail from the same point how long will it take Yanni to catch Tracy
In 1838 after pressuring the Cherokee to sign treaties giving up their lands, the federal government
forced Cherokee resistors to adopt the lifestyle of white settlers.
O realized that it could not legally take land from unwilling Cherokee
O sent the US Army to force Cherokee resistors to march west.
filed a lawsuit against the Cherokee Nation to force its removal
Answers
The correct answer is C. Sent the US Army to force Cherokee resistors to march west.
Explanation:
In 1835 the U.S. government persuaded traditional Indian tribes including the Cherokee to sign a treaty that established the Cherokee would leave their land in exchange for money and other benefits. This treaty was signed by those that represented a minority in the tribe, and therefore it did not represent the opinion of all the tribe.
Additionally, after this treaty the government made the Cherokees leave their land and move to the Indian territory in the West. This was possible because the government sent the US Army, also, this forced displacement had a great negative effect in the tribe not only because they had to leave their land, but also because many died in the process.
Answer:
its C
Explanation:
I got 100 on my Quiz
Sans serif typeface is a good choice for
a. printed documents
b.document headings
c. document text
d. document content
Answers
Answer: A Sans-serif font is a good choice for headings and small text where clarity and readability are paramount. A Serif font is good to use on larger blocks of printed text like on a flyer.
Explanation:
Session cookies are stored on a disk or other permanent storage medium. true
False
Answers
False. Session cookies are not stored on a disk or other permanent storage medium. Instead, session cookies are temporary cookies that are stored in the browser's memory while a user is actively browsing a website. These cookies are typically used to maintain session information and track user activity during a specific browsing session. Once the user closes the browser or the session ends, session cookies are automatically deleted. They are not persistent and do not remain on the user's system after the browsing session ends.
Persistent cookies, on the other hand, are stored on the user's computer, and they are not deleted when the browser is closed. Persistent cookies can last for a few days, weeks, or even months, depending on the expiration date that is set by the website.
Learn more about computer cookies and their types here:
https://brainly.com/question/30087031
#SPJ11
click the part of the workbook that may display statistical information about the selected data
Answers
To display statistical information about the selected data in a workbook, you should click on the part of the workbook where content is loaded. This area will show you various statistical details relevant to the data you have selected.
To view statistical information about the selected data in your workbook, you can click the part of the content loaded with the relevant information. This may include charts, tables, or graphs that display data in a visually appealing way, and often provide statistical analysis such as averages, sums, and standard deviations. Alternatively, you can access statistical information by using formulas and functions in Excel, which can be applied to selected cells or ranges of data.
learn more about statistical information here:
https://brainly.com/question/13752289
#SPJ11
Select the correct answer.
Which graphical element of a spreadsheet does this image represent?
A. column chart
B. scatter plot graph
C. pie chart
D.bar graph
Answers
Answer:
Pie Chart
Explanation:
Explanation: pie charts of course look like pie: a circle that has been cut into pieces