Adding timestamp to a record to indicate when the row is valid/applicable is an example of ________________.PivotingActive TransformationPassive TransformationDrilling
Answers
Adding a timestamp to a record to indicate when the row is valid/applicable is an example of Passive Transformation. Passive Transformation is a type of transformation in data warehousing that doesn't change the number of rows that pass through it.
Instead, it changes the metadata associated with the row, like adding a timestamp, and passes it on to the next transformation. In this case, the timestamp would indicate the date and time when the row was valid or applicable, which could be useful for tracking changes in the data over time.
Explanation of the other types of transformations in data warehousing, such as Active Transformation and Pivoting, and how they differ from Passive Transformation. It would also provide examples of other ways in which Passive Transformation can be used to manipulate data in a data warehousing environment.
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Related Questions
Need help ASAP
Thankss + BRAINLIST only for correct answers
Answers
For entertainment, purely for the user to enjoy the content that has been produced for them.
Why was it made?
Netflix is a subscription based service that has been made to allow users to stream TV shows and other entertainment sources. It was made for leisure.
what is the checksum of 148
Answers
Answer:
The summary on the given topic is summarized in the explanation portion below.
Explanation:
A means to ensure that somehow a machine data communication or transfer has no bits missing are termed as Checksum. These would be determined in many extremely difficult directions but there's no response.Whereas if checksum appears unacceptable or inaccurate, the machine is compared mostly with documentation it gets or collects and lends it a position.Computing variance by hand is a tedious process. To compute the variance, we can use R using the command (sd(name of data) ) ∧
2. But there is no direct command to compute the population variance. For a population size n, give the correction factor by which you must multiply the final answer from R to convert it from a sample variance to a population variance. (Hint: Review the population variance formula and the sample variance formula.) Upload a picture or snapshot of your work below.
Answers
Computing variance by hand can indeed be time-consuming. In R, the command you mentioned (sd(name of data))^2 calculates the sample variance. To convert it to population variance, you need to use the correction factor.
The correction factor can be derived from the relationship between the sample variance formula (S²) and the population variance formula (σ²). The sample variance formula divides by (n-1), while the population variance formula divides by n. The correction factor can be represented as:
Correction Factor = n / (n - 1)
To find the population variance, simply multiply the sample variance calculated by R with the correction factor:
Population Variance (σ²) = (sd(name of data))^2 * (n / (n - 1))
By applying this correction factor, you can easily convert the sample variance to population variance using R.
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Explain in detail how we could collect solar energy from space and get it to earth
Answers
Answer: Reflectors or inflatable mirrors spread over a vast swath of space, directing solar radiation onto solar panels. These panels convert solar power into either a microwave or a laser, and beam uninterrupted power down to Earth. On Earth, power-receiving stations collect the beam and add it to the electric grid.
Hoped This Helped!!!!
Answer: Reflectors or inflatable mirrors spread over a vast swath of space, directing solar radiation onto solar panels. These panels convert solar power into either a microwave or a laser, and beam uninterrupted power down to Earth. On Earth, power-receiving stations collect the beam and add it to the electric grid.
Explanation:
To sign into an online portal, you must enter a certain password. You have n passwords to choose from, but only one of them matches the correct password. You will select a password at random and then enter it. If it works, you are logged in. Otherwise, you will select another password from the remaining n−1 passwords. If this one works, you are logged in after two attempts. If not, you will choose a third password from the remaining n−2 passwords and so on. You will continue this process until access is granted into the portal. (a) What is the probability you will gain access on the kth login attempt, where k∈{1,2,3,…,n−1,n} ? (b) Suppose now that n=500, and the system will automatically lock after three failed login attempts. What is the probability you will gain access into the portal?
Answers
(a) The probability of gaining access on the kth login attempt, where k∈{1,2,3,…,n−1,n}, can be calculated using the concept of conditional probability.
(b) To determine the probability of gaining access into the portal when n=500 and the system locks after three failed attempts, we need to consider the different scenarios that lead to successful login within three attempts.
How can we calculate the probability of gaining access on the kth login attempt and the probability of gaining access when n=500 with a maximum of three attempts?(a) The probability of gaining access on the kth login attempt can be calculated as follows:
The probability of selecting the correct password on the first attempt is 1/n.The probability of selecting an incorrect password on the first attempt and then selecting the correct password on the second attempt is (n-1)/n * 1/(n-1) = 1/n.Similarly, for the kth attempt, the probability is 1/n.Therefore, the probability of gaining access on the kth attempt is 1/n for all values of k.
(b) When n=500 and the system locks after three failed attempts, we need to consider the scenarios in which access is gained within three attempts.
The probability of gaining access on the first attempt is 1/500.The probability of gaining access on the second attempt is (499/500) * (1/499) = 1/500.The probability of gaining access on the third attempt is (499/500) * (498/499) * (1/498) = 1/500.Therefore, the probability of gaining access within three attempts is 3/500 or 0.006.
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ok so apparently the answer is 6 but I dont know how, and I have my final tmrw so pls help, ty
Answers
Well, the user enters the number 3, and the while loop adds the user entered value to sum. Now the sum is equal to 3. Then, the user entered value is equal to itself minus 1, which is 2. Two is then added to sum again, which equals 3+2 or 5. The user entered value is again subtracted by 1. It now equals 1. That 1 is added to sum and the sum is equal to 6. The user entered value is subtracted by 1 and it finally equals 0. The loop stops running because value is equal to 0 and the sum, which is 6, is printed to the screen. 6 is the output.
the unix operating system started the concept of socket which also came with a set of programming application programming interface (api) for 'socket level' programming. a socket was also uniquely identified as
Answers
TCP sockets.
whether they are distributed across a local system or a TCP/IP-based network environment, are provided by a socket programming interface.
What is a TCP socket?The routines needed for interprocess communication between applications, whether they are distributed across a local system or a TCP/IP-based network environment, are provided by a socket programming interface.Three components make up a socket: protocol, local address, and local port. The two processes that make up a connection are fully described by the term "association": (protocol,local-address,local-port,foreign-address,foreign-port).TCP offers dependable data stream delivery between hosts on the Internet. Similar to UDP, TCP supports the block transmission of a nonstop stream of datagrams between process ports and makes use of Internet Protocol as the underlying protocol for datagram transport. TCP offers dependable message delivery in contrast to UDP.To learn more about : TCP socket
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which type of cpu was designed jointly by motorola, apple, and ibm?
Answers
The type of CPU that was designed jointly by Motorola, Apple, and IBM is the PowerPC CPU.
The PowerPC CPU, which stands for Performance Optimization With Enhanced RISC Performance Computing, was a collaborative effort between Motorola, Apple, and IBM. This joint venture aimed to develop a powerful and efficient processor architecture for various computing systems.
The PowerPC architecture utilized Reduced Instruction Set Computing (RISC) principles to achieve high performance and energy efficiency. It was initially introduced in the early 1990s and gained popularity in both desktop and embedded systems. The collaboration between the three companies allowed for shared expertise and resources, resulting in the development of advanced CPU designs.
The PowerPC CPU found widespread adoption, particularly in Apple Macintosh computers, where it was used for several generations. It offered notable performance advantages, including faster processing speeds and improved multimedia capabilities. The PowerPC architecture also supported cross-platform compatibility, allowing software developers to create applications that could run on multiple operating systems.
Overall, the collaboration between Motorola, Apple, and IBM led to the creation of the PowerPC CPU, which offered advanced performance and versatility for a range of computing systems
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Which of the following statements is true about ODBC? a. It is generally slower and less robust than text files. b. It is an application-level setting rather than a system-wide setting. c. IT departments are very comfortable in giving out ODBC connections. d. It allows use of the powerful SQL language for searching and filtering data.
Answers
The true statement about ODBC is d. It allows the use of the powerful SQL language for searching and filtering data.
ODBC (Open Database Connectivity) is a standard that enables communication between a client application and a database management system (DBMS). By allowing the use of SQL, ODBC facilitates efficient and flexible querying and manipulation of data stored in various types of databases.
The true statement about ODBC is that it allows the use of the powerful SQL language for searching and filtering data. This is an important feature that makes ODBC a popular choice for accessing and managing data in databases.
However, it is not generally slower and less robust than text files, nor is it an application-level setting. IT departments may or may not be comfortable in giving out ODBC connections, depending on their security policies and protocols. Overall, the most significant advantage of ODBC is its support for SQL, which can help users manage and analyze data more effectively.
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• Assignment. Python Programming
Cornerstone Hospital has
strike due
a
to
the reant inflation. The
Hospital is looking for Volunteers to work. Create
able to
program that is
to enter their
their name, age
work in
group of nußes
* The
in
$ allow the user
would want to
Program should be able to display the
of categories (1. Sate
a
and category they
menn
3. Tollets 4 Maternit
2. Pharmacy 3. Toilets 4
I
name, aga ad categories should be saved
arrays for later
access of data. [25]
Answers
Sure, here's an example Python program that allows the user to enter their name, age, and the category they would like to work in as a volunteer at Cornerstone Hospital. The program also saves the data in arrays for later access:
# Initialize empty arrays for name, age, and category data
name_data = []
age_data = []
category_data = []
# Define function to get user input for name, age, and category
def get_user_input():
name = input("Enter your name: ")
age = input("Enter your age: ")
category = input("Enter the category you would like to work in (1. State, 2. Pharmacy, 3. Toilets, 4. Maternity): ")
return name, age, category
# Define function to display the categories
def display_categories():
print("Categories: ")
print("1. State")
print("2. Pharmacy")
print("3. Toilets")
print("4. Maternity")
# Get user input and append to data arrays
name, age, category = get_user_input()
name_data.append(name)
age_data.append(age)
category_data.append(category)
# Display categories and user input
display_categories()
print("Name: ", name_data[0])
print("Age: ", age_data[0])
print("Category: ", category_data[0])
This program initializes empty arrays for name, age, and category data. It then defines a function get_user_input() that prompts the user to enter their name, age, and the category they would like to work in. Another function display_categories() displays the categories for the user to choose from.
The program then gets user input using get_user_input() and appends the input to the data arrays. Finally, the program displays the categories and the user input using display_categories() and array indexing.
Note that this is just an example program and can be modified to suit your specific needs.
Someone help please I really need help
Answers
Answer:
Smallest value;
\(f(x) = { \sf{MIN}}(value)\)
Largest value;
\(f(x) = { \sf{MAX}}(value)\)
Which page layout is most commonly used for a website with a large navigation menu ?
Answers
Cartographer website navigation method consists of a single web page containing a list of hyperlinks representing all the pages in the website.
A cartographer is "a person who creates or produces maps," according to the Oxford Dictionary of English app. According to the online Merriam-Webster definition, a cartographer is "one who produces maps." Additionally, a cartographer is defined as "someone who makes or draws maps" in the online version of the Cambridge Dictionary.
The creation of maps, graphs, and other graphics, as well as the maintenance of their standardization for various project and technical reports.
Performs geographic analysis on the data after creating, recording, and/or digitally extracting geospatial or statistical data from a number of sources.
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Consider the following array and answer the questions: All answers are numeric. ArrayX: uns 16 [Num]:= [2, 3, 5, 7, 8, 10); Question 1 How many elements the array has? 2 What is index of the first element? 3 What is the index of the last element? 4 What is the size of each element of the array (in bytes)? 5 Assume we use a Register as an index to get an individual elements of this HLA array. What must the size of register be in bytes)? 6 If the address of ArrayX is 100, what is the address of ArrayX [0]? 7 What is the address of ArrayX [1]?
Answers
1. The array has six elements.
2. The index of the first element is 0.
3. The index of the last element is 5.
4. The size of each element of the array is 2 bytes (since the array is declared as "uns 16").
5. The size of the register must also be 2 bytes to match the size of the array elements.
6. If the address of ArrayX is 100, the address of ArrayX[0] would also be 100.
7. The address of ArrayX[1] would be 102, since each element of the array is 2 bytes and the index of the second element is 1 (so you need to add 2 bytes to the starting address of the array to get the address of the second element).
The given array, ArrayX, has six elements containing the values [2, 3, 5, 7, 8, 10].
To answer the questions:
1. The array has six elements since the values inside the square brackets separated by commas represents the initial values of the array.
2. The index of the first element in the array is 0, which is the default starting index in most programming languages.
3. The index of the last element is 5, which is the number of elements minus 1.
4. Each element in the array is an unsigned 16-bit integer, which means that it takes up 2 bytes of memory.
5. If a register is used as an index to access an individual element of the array, then the size of the register should also be 2 bytes, which is the same size as each element of the array.
6. Assuming the address of ArrayX is 100, the address of the first element, ArrayX[0], is also 100 because the first element is located at the beginning of the array.
7. The address of the second element, ArrayX[1], is 102, which is obtained by adding the size of each element (2 bytes) to the address of the first element (100).
In conclusion, understanding the properties of an array such as the number of elements, the size of each element, and the memory location of each element is crucial in programming. It allows programmers to efficiently access and manipulate the data in the array.
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____ media include television and radio
Answers
Answer:
Broadcast media include television and radio.
Explanation:
Broadcast media includes information transmitted through one of several mass communication channels, such as television and radio.
help me i dont understand REAL ANSWERS PLS
Answers
Answer:
it's answer is B
hope it helps you
another word for Arithmetic Logic Unit
Answers
Answer:
ALU
Explanation:
just to say it faster than having to say it...
Answer:
ALU
Explanation:
ALU is a functional part of CPU which perform arithmetic and logical operations.
Which of the following is NOT true about simple machines?
Group of answer choices
They can change the amount of force required.
They can reduce the amount of work that must be done.
They can change the distance over which a force is exerted.
They can change the direction in which a force is exerted.
Answers
Answer:
option A : they can change the amount of force required .
A photograph is created by what
A) Silver
B) Shutters
C) Light
4) Mirror
Answers
A photograph is created by Light.
What are photographs made of?Any photograph created is one that is made up of Support and binders.
The steps that are needed in the creation of a photograph are:
First one need to expose or bring the film to light.Then develop or work on the imageLastly print the photograph.Hence, for a person to create a photograph, light is needed and as such, A photograph is created by Light.
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music sites through schools wifi 2020 What is one thing a person should do to stay safe when exercising? 100 pts.!
Answers
Answer:
They should stay away from others (keep workout short or at home)
always do The exercise right-properly
Explanation:
Answer:
they should stay at home and do workouts or they can start a fitness program in a safe area.
If a cyberattack happened how long would it last until it ended
Answers
Answer:
Days even weeks
Explanation:
Often, the fallout of a cyberattack can last days even weeks. This fallout is due to multiple different factors that result in long downtime and loss of business. Unfortunately, most loss reduction measures need to be pre-emptive.
Which of the following devices is NOT required to successfully implement teleconferencing?
Sensor
Modem
Speaker
Microphone
Answers
Answer: a. Sensor
Explanation: Modem= internet
Speaker= able to hear
microphone = to speak
which statement best describes an application programming interface? group of answer choices it is a protocol that allows web browsers to request data from a web server. it provides programmers with a standard way to extend an application's capabilities. it is the top layer of the osi model of networking. it is the gui interface that windows uses to interact with the user.
Answers
While the top layers of a OSI model deal on applications and applications, they deal with data transit.
An OSI is what?
The seven levels which computer systems employ to interact over a network are described by the Identify Common Interconnection (OSI) model. Inside the early 1980s, all major telecommunications and computer businesses embraced it as the first universal architecture for network communications.
What does OSI stand for?
Because it focuses with systems that are accessible for communication with other systems, this model is referred to also as ISO OSI reference model. A collection of methods for quality as an OSI (open system interconnection) model - view - controller, thus, enables any two distinct systems, regardless of their underlying architecture, to communicate with one another via a network.
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which data type allows the designer to define the field size property?
Answers
The data type that allows the designer to define the field size property is typically a string or character data type. In programming and database design, a field size refers to the maximum number of characters or bytes that can be stored in a particular field or attribute of a data structure. By specifying the field size property, the designer can determine the maximum length or capacity of the field to accommodate the desired data.
For example, in a database table, if a field is defined as a string data type with a field size of 50, it means that the field can store up to 50 characters. This allows the designer to enforce data constraints and ensure that the field does not exceed the specified size, thus optimizing storage efficiency and preventing data truncation or overflow errors.
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what are the two methods of creating a folder
Answers
Answer:
1. right click empty space, go to New, and click New Folder
2. press Ctrl + Shift + N
Explanation:
Learning Curve help, please!!!!
SHEALY TABLES Shealy runs a small business in upstate South Carolina in which he builds kitchen tables. He has recently designed a new table with many intricate carvings. Because Shealy has never done
Answers
Shealy Tables is a small business in upstate South Carolina that specializes in building kitchen tables. Shealy has recently designed a new table with intricate carvings.
The learning curve shows the relationship between the time it takes to complete a task and the number of times the task is performed. It suggests that as Shealy builds more of these tables, his efficiency and speed will increase, resulting in a shorter time to complete each table.
For example, if it takes Shealy 10 hours to build the first table, the learning curve predicts that it might take him 8 hours to build the second table, 6 hours for the third table, and so on. This means that with each table he builds, Shealy becomes more familiar with the process and can work more efficiently.
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This OS integrated the processing power of Windows NT with the easy-to-use GUI of Windows 98.
Windows Millennium Edition
Windows 2000
Windows for Workgroups
Windows 3.11
Answers
The software concept ___________and defines a need for the new system.
Answers
Answer:
application
hope it helps you
Once ____, you can run an application so that you can interact with it. Group of answer choices connected stored installed processed
Answers
Once C: installed, you can run an application in order to make an interaction with it.
Software or application installation refers to the process of installing applications and software to certain computer systems. Uers often install several software and application on their systmes so that they can use them for the specified funcitons.
Therefore, in order to interact with an application or software, it is necessary that first, it has to be installed on the computer devices of users. Because once these applications are installed, they can be used for the intended purpose.
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Which of the following are examples of external databases in the data warehouse model?
accounting data mart
competitor and industry data, mailing lists, and stock market analyses
marketing, sales, inventory, and billing
marketing data, sales data, and stock market analyses
What is a logical data structure that details the relationship among data elements using graphics or pictures?
data mining tool
data model
data element
data mart tool
Answers
Examples of external databases in the data warehouse model include b: competitor and industry data, c: mailing lists, and d: stock market analyses. A logical data structure that details the relationship among data elements using graphics or pictures is a b: data model.
In the data warehouse model, external databases are sources of data that are not part of the primary internal systems of the organization but are relevant for analysis and decision-making purposes. These external databases provide additional information and insights that can enhance the data available within the data warehouse. Option b, c and d are answers.
A logical data structure that details the relationship among data elements using graphics or pictures is a data model. A data model visually represents the structure, attributes, and relationships of the data elements in a database. It provides a graphical representation, such as entity-relationship diagrams, to depict how different data elements are related to each other. Option b is answer.
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Designing a video game takes tons of creativity. What inspires your personal creativity and ideas for video games? Explain and give several specific examples. How do you make sure your ideas are original and not copied directly from other video games? Explain.
Explain how the four game mechanics mentioned in the unit (reward, risk/loss, levels, and feedback) could work together to create an interesting sports video game.
You’ve learned that video games use rewards to keep players coming back for more. Can you think of an example in real life that uses rewards to keep people coming back for more? How is this similar to video game rewards? Explain.
The unit says this about levels: “As the levels get harder, the environment might also change, the music might get more intense, and the colors might change shades for a completely different mood.”
Imagine that you are working on a game, and with each level that they progress to, the player encounters a greater risk to their health and life. How would you alter the music, colors, and other aspects of the environment to reflect this risk? Describe and explain. Why do you feel these environment choices and changes reflect increasing risk?
When designing a video game, it is important to make sure that the game offers a balance of risk and reward to keep your players challenged but not frustrate them so much that they do not want to continue playing. How would you assess and test your game before completing it to ensure that you had the right balance of risk/reward? Is there any way to know that you have achieved that balance for every player?
PLZZZ HELP 50 POINTS AND BLAINLEST
Answers
Answer:
This is what I have so far
Designing a video game takes tons of creativity. What inspires your personal creativity and ideas for video games? Explain and give several specific examples. How do you make sure your ideas are original and not copied directly from other video games? Explain.
What inspires my personal creativity is all the indie games I have played in the past, and they have always amazed me with their design, video games have always been a part of me from the Mario games I played when I was little to AAA titles. My ideas are original because I’ve seen so much, that I know when something is unique and original.
Explain how the four-game mechanics mentioned in the unit (reward, risk/loss, levels, and feedback) could work together to create an interesting sports video game.
Every 10 levels is a new sport and each level is harder, but at the end of each level you earn money to buy better gear, (like a system from simple rpg,) but if you lose, you also lose money. Also, you would need to use feedback that you would get from players to improve the game.
You’ve learned that video games use rewards to keep players coming back for more. Can you think of an example in real life that uses rewards to keep people coming back for more? How is this similar to video game rewards? Explain.
When a person works 1 job for many years, they may get burnt out, but if they get a raise or a promotion every once and awhile, then they will be more motivated and come back for more. This is similar to games in a few ways, like if you play a single game for years, it will get boring, but if that game receives an update, then it will motivate people to play.