sidebar interaction. press tab to begin. the ____ operator is used to combine the output from multiple queries into a single result table.
Answers
The Union operator is used to combine the output from multiple queries into a single result table.
The Power of the Union Operator in Database QueriesDatabases are powerful tools that enable users to store, search, and manage data in an efficient and organized way. Queries are one of the most important components of databases and allow users to retrieve the desired data from the database. The Union operator is an incredibly useful tool that can be used in queries to combine the output from multiple queries into a single result table, making the query process more efficient and effective.
The Union operator is a SQL command that is used to combine the results of two or more SELECT statements into a single result set. The result set contains all of the columns from the original SELECT queries and all of the records from the queries. This makes it easy for users to compare and analyze data across multiple queries and to make decisions based on the combined data.
Complete Question:The ________ operator is used to combine the output from multiple queries into a single result table.
A) IntersectB) DivideC) CollateD) UnionLearn more about Database Queries:
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Related Questions
Do you think privacy policies are effective in social networking sites?
Answers
Answer:
When that information gets posted online, it is no longer private, and may end up falling into wrong hands. Even if you have put in place the highest possible security measures, some of your friends, colleagues and companies you interact with on social media, can end up leaking your personal information.
In my opinion, privacy policies are less effective in social networking sites When that fact receives published online, it's far now not private, and can become falling into incorrect hands.
What is the privacy in networking sites?Privacy and safety settings exist for a reason: Learn approximately and use the privateness and safety settings on social networks. They are there that will help you manipulate who sees what you put up and control your online revel in in a fine way.
Even when you have installed location the best viable safety measures, a number of your friends, colleagues and businesses you engage with on social media, can become leaking your private facts.
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Vanessa has taken several courses in digital graphic design and now has an interview for an internship with a company that creates a magazine, which has recently begun to sell digital editions as well as print editions. Which of these would be MOST helpful for her to show the company her work?
an example of cloud analytics
a portfolio
a sample of a password manager
a cybersecurity brief
Answers
Answer:
portfolio
Explanation:
Which of the following is true about operating system.
a. acts as an intermediary between the computer user and the computer hardware.
b. program that manages the computer hardware.
c. provides a basis for application progra
Answers
Answer:
google kis kam ka hai us se puch lo
How to do a row of circles on python , with the commands , picture is with it .
Answers
Answer:
o.o
Explanation:
PLS HELP SO I CAN PASS WILL GIVE BRAINLINESS AND 30 POINTS
Charlie Chaplin is know for developing
a
The Dramedy
b
Early Special Effects
c
Slap-Stick
d
The Prat-Fall
Question 2 (1 point)
Chaplin felt it was important for the audience to
a
turn off their cellphones during the movie.
b
believe the stunts were real by doing them himself.
c
escape from their problems by avoiding difficult topics.
d
have an emotional connection with the characters.
Question 3 (3 points)
Match the silent film with its modern influence
Column A
1.
Metropolis:
Metropolis
2.
The Kid:
The Kid
3.
Nosferatu:
Nosferatu
Column B
a.Freddy Kruger
b.The Simpsons
c.Sharknado
d.Star Wars
Question 4 (1 point)
How did Nosferatu change the Vampire cannon (story)?
a
Vampires are friendly
b
Vampires can be killed by sunlight
c
Vampires can become invisible
d
Vampires can be repelled by garlic
Question 5 (1 point)
Metropolis was the first film to
a
have religious undertones.
b
use special effects.
c
have humanoid robots.
d
use Gothic Imagery.
movies being the kid , nosferatu , and metropolis
Answers
Answer:
a
have religious undertones.
b
use special effects.
c
have humanoid robots.
d
use Gothic Imagery.
Explanation:
Identify at least 6 errors from the following program code. Write all the errors and rewrite the correct program.(11 pts)
1. public E2
2. {
3. Public static void main(String )
4. {
5. System.Out.Println(“hello)
6. }
Answers
Answer:The code after rearrange the question segment:
public class Q// Class declaration of Q name.
{// Open the class body.
public static void main(String[] a) // Main function declaration.
{ //Open the main-function body.
System.out.println("Q"); // Print statement which print Q.
} //close the main-function body.
}//close the class body.
Output:
Q
Explanation:
CHALLENGE ACTIVITY
Printing a message with ints and chars.
Print a message telling a user to press the letterToQuit key numPresses times to quit. End with newline. Ex: If letterToQuit = 'q' and numPresses = 2, print:
Press the q key 2 times to quit.
1 #include
2
3 int main(void) {
4 char letterToQuit;
5 int numPresses;
6
7 scanf("%c ", &letterToQuit);
8 scanf("%d", &numPresses);
9 |
10
11 return;
12}
Answers
Answer:
Write the following statement on line 9 or 10
printf("Press the %s key %d times to quit\n", &letterToQuit,numPresses);
Explanation:
printf("Press the %s key %d times to quit\n", &letterToQuit,numPresses);
The above print statements is divided into literals and variables.
The literals are constant, and they are placed in " "
While the variables are used just the way they were declared
The literals in the print statement are:
"Press the", "key" and "times to quit\n"
The variables are:
letterToQuit and numPresses
The variables are printed between the literals to generate the required output.
\n stands for new line
jane, an employee in the human resources department, has created several important pdf documents on her computer that all office managers in her building must read. she would like to make locating these files simple and maintain them as little as possible. it is important that no other users are permitted to view these documents. As the IT technician for your company, Jane has asked you to make this possible.
Which of the following would MOST likely fulfill Jane's needs?
Answers
Answer:
Network share
Explanation:
If you delete a shortcut from your desktop, have you also deleted the original file?
Answers
Answer:
no
Explanation:
it just deletes the icon.
Answer:
Nope!
Explanation:
A shortcut doesn't replace or delete to original file, folder, app, etc.
A radio tower casts an 8-foot-long shadow at the same time that a vertical yardstick casts a shadow one half inch long. If the triangles formed by the objects and their shadows are similar, how tall is the radio tower?.
Answers
If the triangles formed by the objects and their shadows are similar, the height of the radio tower is 576 feet.
What is the height?Height is a measure of vertical distance, either vertical extent.
Given that, the radio tower casts a shadow 8 feet long. At the same time that a vertical yardstick casts a shadow half an inch long
To find: the height of the radio tower
Let "x" be the height of the radio tower
Length of the shadow of the tower = 8 feet
Length of the shadow of stick = 1/2 inch
Length of the shadow of the stick = 0.0416 feet
Length of vertical yard stick = 3 feet (since 1 yard = 3 feet )
Height of the tower/length of the shadow power = length of yardstick/ length of shadow stick.
x/8 = 3/ 0.0416
x = 8 x 72.11
x = 576
Therefore, the height of the radio tower is 576 feet approximately.
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(50 points) {brainliest}
What are some elements that might be included in an e-commerce platform on a website?
A. Calendar and contact information
B. Database and map
C. Shopping cart and payment system
D. Blog and mailing list opt-in
Answers
Answer:
sounds like c is an option
Answer:
c is the correct answer
A(n) ______ is a threat that is carried out and, if successful, leads to an undesirable violation of security, or threat consequence.
Answers
A threat that is carried out (a threat action) and, if successful, results in an unwanted violation of security is called an attack. An attacker, or threat agent, is the agent who launches the attack.
What leads to an undesirable violation of security?Malware can be used by hackers to steal or covertly copy private information, restrict access to files, interfere with system performance, or even render systems unusable, depending on the sort of malicious code deployed.
Therefore, Malicious software that targets information systems is known as malware. Trojans, spyware, and ransomware are examples of malicious software.
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Code to be written in R language:
The Fibonacci numbers is a sequence of numbers {Fn} defined by the following recursive relationship:
Fn= Fn−1 + Fn−2, n > 3
with F1 = F2 = 1.
Write the code to determine the smallest n such
that Fn is larger than 5,000,000 (five million). Report the value of that Fn.
Answers
Here is the R code to determine the smallest n such that the Fibonacci number is larger than 5,000,000:
fib <- function(n) {
if (n <= 2) {
return(1)
} else {
return(fib(n - 1) + fib(n - 2))
}
}
n <- 3
while (fib(n) <= 5000000) {
n <- n + 1
}
fib_n <- fib(n)
cat("The smallest n such that Fibonacci number is larger than 5,000,000 is", n, "and the value of that Fibonacci number is", fib_n, "\n")
The output of this code will be:
The smallest n such that Fibonacci number is larger than 5,000,000 is 35 and the value of that Fibonacci number is 9227465.
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Susan is taking a French class in college and has been asked to create a publication for her class. What feature can she
use to help her develop her publication in French?
Research
Grammar
Language
Spell Check
Answers
Answer:
Essayons
Explanation:
the answer is Language
The COOJA simulator is a utility to simulate wireless sensor systems. It serves as tool
to verify the operability of applications on target systems without having physical
access to these systems. Starting COOJA is as simple as double-clicking the COOJA
symbol on the virtual machine's desktop.
Compiling and running Contiki OS code in COOJA works by creating virtual sensor devices whose behavior can be specified by pointing COOJA to the .c files that
contain the corresponding program code.
a) Create a new simulation in COOJA (Menu item: File → New simulation... ). Enter a name of your choice, leave the default settings unchanged, and click Create. Next, add some motes with the hello-world
implementation to your simulation. To this end, navigate to the following menu item: Motes → Add motes → Create new mote type → Z1
mote. In the appearing window, navigate to the hello-world.c file in
the /home/student/contiki-ng/examples/hello-world directory and click
Compile, then Create. Increase the number of nodes to create to 20, and
keep the option for random positioning. Finally, click Add motes.
Unless already active, activate the Mote IDs option under the View menu
of the simulator's Network window. Twenty numbered circles will now occur, each one representing a single node with the given firmware. The number
in the circle specifies the node address. Furthermore, activate the Radio environment option in the View menu and then click on one of the nodes;
a green circle will appear around it. Click on the start button in the Simulation control window next, let the application run for about ten seconds
while taking note of the speed value displayed in the same window, then
click pause.
b) State an approximate average value of the observed simulation speed. Can
you think of what a speed over 100% might mean, and what speed values below 100% indicate?
c) Deduce from the observations in the Network window what the green circles
around nodes (after having clicked on the node) indicate. Try to drag-and-drop
nodes around to see if/how the circles change. Explain your observations.
d) Create a new simulation in COOJA. This time, load one node with the
udp-server from /home/student/contiki-ng/examples/rpl-udp and five
nodes with the udp-client from the same directory. Run the simulation to
verify that nodes exchange data with each other. For this purpose, set the required options under the View menu.
Using your mouse, drag one of the receiver motes in the Network window
far away from the remaining nodes such that its green and gray circles contain
no other nodes (you may need to enlarge the Network window to this end
and/or move other nodes to accomplish this task). In the Timeline window,
locate the entry for this particular node (hint: Look for the entry with the ID
of the node which you can find in the Network window).
Compare this node's activity (represented by the colors in the timeline and the
log output) with the activity of all other nodes. What are your observations?
Can you explain them? Hint: you may find it useful to enable further event
Answers
a) The simulation speed in COOJA refers to the speed at which the simulation is running compared to real-time. The average value of the observed simulation speed will vary depending on the specifications of the computer being used to run the simulation. A simulation speed over 100% means that the simulation is running faster than real-time. On the other hand, speed values below 100% indicate that the simulation is running slower than real-time.
What is the simulator about?b) The green circles around nodes in the Network window indicate the range of the radio signal of each node. The green circle represents the area where other nodes can be reached by a node with the corresponding radio signal. By dragging and dropping nodes, you can observe how the green circle changes to show the new range of the node's radio signal.
c) To verify that nodes are exchanging data with each other, a new simulation was created and one node was loaded with the udp-server and five nodes with the udp-client. By observing the Timeline window, it is possible to locate the activity of each node and compare it to the activity of all other nodes. When a node is dragged far away from the other nodes, the activity of this node (represented by the colors in the timeline and the log output) will be different compared to the activity of the other nodes. This observation can be explained by the fact that the node is now out of range of the radio signals of the other nodes, and therefore cannot exchange data with them.
d) To understand the observations, it is important to keep in mind that COOJA is a tool used to simulate wireless sensor systems, and the data exchange between nodes is simulated according to the specifications defined in the code. The observed differences in activity between nodes can be attributed to differences in the range of their radio signals, as well as other factors such as the timing of the data exchange between nodes.
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ITIL 4: Which of the following TRUE with respect to Practices in ITIL®?
A Practices are independents activities outside SVC
B: practice is just a new name given for process
C: practices support multiple activities within Value chain
D: every practice is tightly linked to a specific activity within value chain
Answers
Answer:
m
Explanation:
it would be c cause i take the test
The option that is true with respect to Practices in ITIL is that its practices support multiple activities within Value chain.
What are ITIL practices?ITIL is known to be the background of all the best methods used for delivering IT services.
Conclusively, the key element in the ITIL SVS is known to be the Service Value Chain as it uses an operating model for service delivery. Its practices aids the use of different activities within Value chain.
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1. What would be the best explanation of the variable name 'int indexSize'?
a. Shows the number in the index is big
b. Holds the number in the last index spot
c. Holds the number in the first index spot
d. Holds the number of indexes in the array
Answers
1The option that would be the best explanation of the variable name 'int indexSize' is option d. Holds the number of indexes in the array
What is the variable about?The variable name 'int indexSize' is one that tells that it have the number of indexes in an array.
Note that The use of the term "indexSize" is one that tells that it stand for the size or the amount of the indexes in the array, and thus it is one that is telling the total number of indexes as well as the elements that is seen in the array.
Therefore, It is common work in programming to be able to make use of variable names that are said to be descriptive.
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DRAW A FLOWCHART THAT WILL ASK THE USER TO ENTER AND DISPLAY THEIR PERSONAL DETAILS SUCH AS NAME AND AGE.
Answers
A flowchart is a diagram that shows how a system, computer algorithm, or process works.They are frequently used in many different fields to examine, organize, enhance, and convey frequently complex processes in simple, understandable diagrams.
How are flowcharts created?
Drag a flowchart shape from the selection menu onto the drawing page.Point to the form and then point in the direction of the arrow pointing to the following shape you want to add.Choose the shape you want to include. These four typical forms are excellent for outlining organizational structure, how various departments interact, and economic, industrial, or administrative operations.The Workflow Chart or Workflow Diagram. The Process Flowchart or Communication Flow Chart.Swimming Lane Flowchart.Data flow diagram. A process is graphically represented in a flowchart.It is a diagram that uses symbols, lines, and shapes to show the workflow necessary to do a task or collection of tasks.In many different industries, flowcharts are used to research, enhance, and communicate processes.A flow chart shows the steps in a process and their order. It is sometimes referred to as a process flow diagram or process map.In quality improvement, there are two different kinds of flow charts used.A high-level flowchart that lists six to ten significant steps provides a general overview of a process.To learn more about flowchart refer
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Question 2 of 10
Which topic would be included within the discipline of software engineering?
A. Testing and development of apps
B. The fundamentals of computing
C. Development of new computer systems
O D. Integration of business processes
SUBMIT
Answers
The topic would be included within the discipline of software engineering is Testing and development of apps.
What does software engineering made up of?The Students who are said to focus on software engineering are known to be expected to benefit and get a whole lot of knowledge from a lot of subject areas.
Theses areas includes computer programming, algorithms, numerical methods, design patterns, human-computer interaction, and others.
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Answer:
A.
Explanation:
the key feature of jacquard -punch card
Answers
Explanation:
The Jacquard Loom is controlled by a chain of multiple cards punched with holes that determine which cords of the fabric warp should be raised for each pass of the shuttle. The ability to store and automatically reproduce complex operations found wide application in textile manufacturing.
compare and contrast the various write strategy used in cache technologies
Answers
Answer:
The abiotic factors are non-living factors in an ecosystem that affect the organisms and their lifestyle. In this case, low temperature and low humidity lead to the conditions that are unfavorable for birds. So, the birds must adapt to these factors by hiding the food in the caches.
Explanation:
Explain briefly what would happen if marketing research is not conducted before a product is developed and produced for sale.
Answers
Answer:
Neglecting to do market research can result in indecision and inaction, fear of risk or the truth, and/or too many options, which can lead to paralysis. When launching a new product, effective market research will help you narrow down your true market potential and your most likely customers.
Explanation:
You just got back from a convention where you saw some new software you think the information technology director could use. You can get a discount on the software for the next six weeks because you attended the convention. Unfortunately, the technology director is on vacation this week. How should you tell the IT director about this opportunity
Answers
Answer:
Video or Teleconferencing.
Explanation:
Solution
The method in which you will inform the IT director about this opportunity is through video conferencing or tele conferencing.
Video conferencing : refers to a method whereby it enables people at two or more locations or places to hear and see each other simultaneously through computers and communication technology.
what is exchanged between them are information such as visual web cameras and online streaming videos.
Teleconferencing: It is a method of sharing or discussion information and news among a large group of people or team at different places at the same time.
Which field is not used for non inventory products
Answers
The field that is not used for non inventory products are:
BOMs Manufacturing OrdersShipments.What is a non inventory product?An item that a business buys for its own use or to resell but does not track in terms of quantity is one that can be referred to as a non-inventory item.
Note that Non-inventory items are frequently low-value goods for which maintaining an exact count is one that would not significantly benefit the company.
Therefore, based on the above, Items that are not inventoried can only be utilized in invoices, customer orders, and purchase orders (can be bought as well as sold).
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Does The ps5 digital have a disc drive even Though ps4 games are not compatible
Answers
Answer:
Since the PS5 is backward compatible with the PS4, PS4 games can be played on the new console. Then, select the game hub from your Games home page. Quick tip: If you have a PS5 Digital Edition, you won't be able to use physical game discs since it does not have a disc drive to read them.
Explanation:
HOPE IT HELPS
An ________meter is an electronic device used to measure hearing sensitivity by delivering a series of acoustic tones that cover a range of frequencies. A. audio B. audito
C. electroaudio D. electroaudito
Answers
Answer: audio
Explanation:
that if anology that is the different kind of anology
Answers
The if analogy that is the other different kind of analogy.
What is analogy and its examples?In a lot of most common use of the analogy, it is one that is often used in the act of comparison of things and it is also one that is based on those things that are said to be being alike in a lot of way.
For example, one can be able to create or draw an analogy that is said to often exist between the weeks of the year and the stages of life.
Hence, The if analogy that is the other different kind of analogy.
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Write a short essay (roughly 300 words) about some topic related to computing and/or communication technology that interests you and has social or ethical implications. Describe the background; then identify the social or ethical issues, problems, or questions that you think are important. (Don't make your essay be just an argument for one point of view. You may express your views if you want to, but first explain what the issues are, why there is a problem or a controversy.) Remember to define the problem.
Answers
A topic related to computing and/or communication technology that interests you and has social or ethical implications is computer programming.
What is the role of computer programming in the society?Information Communication Technology (ICT) is known to be one that has brought about a lot of new ethical concerns as regards the protection of personal privacy, and also that of of intellectual property. It also encompasses the user responsibility, acceptable access and use of information.
Note that Computer programming is vital today because a lot of our world is said to be automated in nature. Humans do need to be able to control the communication that exist between people and machines.
Note that Since computers and machines are said to have the ability to do things so well and accurately, we therefore need to use computer programming to get that computing power.
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Write a function template that accepts an argument and returns its absolute value. The absolute value of a number is its value with no sign. For example, the absolute value of -5 is 5, and the absolute value of 2 is 2. Test the template in a simple driver program being sure to send the template short, int, double, float, and long data values.
Answers
Answer:
The function in Java is as follows:
public static double func(double num){
num = Math.abs(num);
return num;
}
Explanation:
This defines the function
public static double func(double num){
This determines the absolute function of num
num = Math.abs(num);
This returns the calculated absolute value
return num;
}
Which is heavier a CRT or LED?
Answers
CRT TV is huge heavy & bulky compared to LED TV's but more reliable as far as the Tube itself is concerned. LED TV's are light and also consume less current.