A data dictionary is a vital component of the data warehouse as it provides metadata that describes the data in the data warehouse. The data dictionary is used to document and maintain the information in the data warehouse, making it easier to understand and manage the data.
The following are some of the things that a data dictionary for a DW should have that you would not have in an OLTP database:
1. Granularity: The data dictionary should include information on the granularity of the data in the data warehouse. In a DW, data is typically stored at a high level of granularity, which means that it is more detailed than the data in an OLTP database
.2. Historical Data: The data dictionary should include information on the historical data stored in the data warehouse. DWs store data over time, which means that the data dictionary should document the history of the data
.3. Aggregation: The data dictionary should include information on how the data is aggregated in the data warehouse. DWs typically store data at a high level of aggregation, which means that the data dictionary should document how the data is aggregated.
4. Complex Queries: The data dictionary should include information on how complex queries are supported in the data warehouse. DWs are designed to support complex queries, which means that the data dictionary should document how complex queries are supported.
5. Dimensional Data: The data dictionary should include information on the dimensional data used in the data warehouse. DWs are designed to support dimensional data, which means that the data dictionary should document how the dimensional data is used.6. Summary Information: The data dictionary should include summary information about the data in the data warehouse. This information should be included to help users understand the data and how it is being used.
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1) write a javascript program to get the first n fibonacci numbers.
The resulting array is sliced to return only the first n numbers. Finally, the function returns the array of Fibonacci numbers.
Here is a JavaScript program that uses a for loop to generate the first n Fibonacci numbers:
```
function fibonacci(n) {
let fibArr = [0, 1];
for (let i = 2; i < n; i++) {
fibArr[i] = fibArr[i-1] + fibArr[i-2];
}
return fibArr.slice(0, n);
}
console.log(fibonacci(10)); // [0, 1, 1, 2, 3, 5, 8, 13, 21, 34]
```
The function `fibonacci` takes a parameter `n` that specifies how many Fibonacci numbers to generate. The `fibArr` array is initialized with the first two numbers in the sequence (0 and 1). Then, a for loop starts at the third position (i = 2) and generates the next number in the sequence by adding the two previous numbers. The resulting array is sliced to return only the first n numbers. Finally, the function returns the array of Fibonacci numbers.
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\
LAB: Elements in a range Write a program that first gets a list of integers from input. That list is followed by two more integers representing lower and upper bounds of a range. Your program should output all integers from the list that are within that range (inclusive of the bounds). Ex: If the input is: 25 51 0 200 33 0 50 the output is: 25 0 33 The bounds are 0-50, so 51 and 200 are out of range and thus not output. For coding simplicity, follow each output integer by a space, even the last one. Do not end with newline. LAB ACTIVITY 7.20.1: LAB: Elements in a range 0/10 U main.py Load default template... 1"'' Type your code here."
The program should accept a list of integers followed by lower and upper bounds of a range. It should output all the integers from the list that fall within that range.
To achieve this, we can first take input of a list of integers using the map() function in Python. We can then use input() function to get the lower and upper bounds of the range. We can loop through the list of integers and compare each integer with the given bounds using if-else statements. If an integer is within the given range, it will be printed as output. If it is not, the program will move on to the next integer in the list.
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In 3–5 sentences, describe how technology helps business professionals to be more efficient.
Answer:
data visualization
business professionals can use advance visualization to understand what needs to be done
building probabilistic models
business professionals can predict the future outcome of the business or any process by using technology and machine learning
business marketting
marketting uses technology to gain insight into who are the customers and what are the buying pattern to do more sales
Answer:
Business uses technology to gain insight into who are the customers and what are the buying pattern to do more sales. Business professionals can predict the future outcome of the business or any process by using technology and machine learning. Business professionals can use advance visualization to understand what needs to be done. Graphic software used by graphic designers to make what they envision come true.
Explanation:
in a dark place you have only a match , a twig , campfire logs , and oil lamp and a candle which do you literally first /
a twig
a campfire
none of the above
Answer:
You would use a twig first :)
Explanation:
Answer:
The glowing embers from the crackling campfire lit up the nighttime sky.
Explanation:
If you can name this you get 15 points: ↑↑↓↓←→←→βα
Answer:
Konami Code
Explanation:
you do not need to first save an html file first in order to view the web page in a browser. (True or False)
To see a web page in some kind of a browser, you need not first need to save an html file. This assertion is untrue.
What is a sample web page?The website includes pages like Javatpoint.com, Amazon.com, etc. The page you are currently browsing, the home page, the contact page, and the registration page are a few examples of web pages.
What is a webpage defined as?A site is a straightforward document that a browser can see. These publications are generated using the HTML coding system . A new website can incorporate many various sorts of resources, including style data, which governs the appearance and feel of the page.
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functional dependency vehicleid --> ownername exists in the table vehicle. vehicle vehicleid type make ownerid ownername 111 car ford o1 pam 222 car ford o2 pat 333 truck honda o3 pam 444 car honda o1 pam group of answer choices true false
The given functional dependency of vehicle ID on the behalf of username is found to be incorrect. So, it is absolutely false.
What is Functional dependency?Functional dependency may be defined as a type of relational database theory that significantly represents the constraint between two sets of attributes in a relation from a database.
On the basis of functional dependency, the relationship between vehicle IDs with respect to the username has been allocated to the individuals irrespective of another type of information. It basically determines the sense of one attribute uniquely that determines another attribute.
Therefore, the given functional dependency of vehicle ID on the behalf of username is found to be incorrect. So, it is absolutely false.
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Why is the len ( ) function useful when using a loop to iterate through a stack?
The len ( ) function will print the elements of the stack.
The len ( ) function will run with each iteration, printing the element number each time.
The len ( ) function will tell the program the number of elements in the stack.
The len ( ) function will remove the duplicate elements in the stack.
The len ( ) function will run with each iteration, printing the element number each time.
The len ( ) function useful when using a loop to iterate through a stack because the len ( ) function will tell the program the number of elements in the stack.
What is len ( ) function?
The len ( ) function is the function which gives back the number of characters as a output in a given text string. The len function gives back the zero when the string is empty with no text in it.
Let suppose a word "HELLO" is written on the string. Then the len function count the characters of this word and gives back the result as 5.
This function is helpful when using a loop to iterate through a stack as there it describes the number of elements in the stack.
Thus, the len ( ) function useful when using a loop to iterate through a stack because the len ( ) function will tell the program the number of elements in the stack.
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A ___ type presents a set of programmer-defined operations that are provided mutual exclusion within it.
A "Mutex" type presents a set of programmer-defined operations that are provided mutual exclusion within it.
In computer science, a mutex, short for mutual exclusion, is a programming concept used to prevent two or more threads from executing a critical section of code simultaneously. A mutex provides a locking mechanism that allows only one thread to access a shared resource at a time, while other threads are blocked until the mutex is released.
Mutexes are commonly used in multithreaded programming environments to protect shared resources, such as global variables, from simultaneous access and modification by multiple threads. When a thread wants to access a shared resource, it must acquire the mutex associated with that resource. If the mutex is already held by another thread, the requesting thread will be blocked until the mutex is released.
Mutexes can be implemented using various techniques, such as semaphores or monitors, depending on the programming language and environment used. In addition to mutual exclusion, mutexes can also provide synchronization and communication between threads, allowing them to coordinate their activities and avoid race conditions.
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The less command offers less functionality than the more command. True or False?
False. The less command offers less functionality than the more command.
The less command offers more functionality compared to the more command. While both commands are used for viewing text files in the terminal, less provides additional features and improvements over more.
Some of the advantages of less over more include:
Forward and backward navigation: less allows scrolling both forward and backward through a file, while more only supports forward navigation.
Search functionality: less allows searching for specific patterns within the file using regular expressions, making it easier to locate specific content. more does not have built-in search capabilities.
Ability to scroll by pages or lines: less allows scrolling by pages or individual lines, providing more control over the viewing experience. more only allows scrolling by pages.
Option to open files in read-only mode: less can open files in read-only mode, preventing accidental modifications. more does not have a read-only mode.
Overall, less is a more feature-rich and flexible command for viewing text files in the terminal compared to more.
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What is the role of MIB when implementing SNMP?
Management Information Base (MIB): It is a collection of data objects that are organized hierarchically and defined by SNMP. It is a virtual information store that allows information about networked devices to be retrieved. The information collected by SNMP is stored in the MIB.
SNMP requires the MIB to function. The data collected by SNMP is used to update the MIB, and the MIB is used to present data to the SNMP. In this way, the MIB serves as the SNMP's primary source of information.
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A registry is which of the following?
Software that supports patient identification and location of records
Specialized database for a predefined set of data and its processing
Storage location for archiving data not frequently used
System that manages cloud computing
A registry is a particular database that is used to process a specific collection of data.
What does a register serve as?
The registry aids Windows in managing and controlling your computer by giving users access to critical resources and aiding crucial programmes with self-configuration. The register is a hierarchical database containing keys and values.
What exactly does corporation registration mean?
A register is the records office in charge of receiving, managing, and maintaining current records (IRMT, 1999). Additionally, a registry's major responsibility is to retain all of an organization's records and exert intellectual control over them.
A database is a collection of data organised for quick access, administration, and update. In computer databases, information like as sales transactions, customer information, financial data, and product information are often stored as collections of data records or files.
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how was the background for the revolution of 2007 prepared
Answer:
Answer is in the attachment.
Hope this helps..why is a class called a factory of objects
Explanation:
A class is called an object factory because objects are created from a class. An object is an instance of a class.
Anyone know how to convert this code in C++ to Python?
int s;
print("enter your score");
s=input;
if(s>==90){
print("A");
}
if((s>==80)&&(s<90)){
print("B");
}
if((s>==70)&&(s<80)){
print("C");
}
if((s>==60)&&(s<70)){
print("D");
}
if(s<60){
print("E");
}
In Python, the input function is used to receive user input as a string and then convert it to an integer using the int function. The value of s is checked, and the associated grade is printed, using the if-elif-else.
What does the following print type ([1 2]) produce?The print type output is of class "list" ([1,2]). type is a python function that displays the function type of its contents, since the components are delineated by commas and encased within square brackets. This is how a list is formatted.
Insert your score here. S = int
If s > 90, print ("A")
print if s >= 80 and s 90. ("B")
print if s >= 70 and s 80. ("C")
print if s >= 60 and s 70. ("D")
if not: print ("E")
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Which of these cellular technologies offers the fastest speeds?4G-LTELTE-ACDMAGSM
LTE-A (LTE-Advanced) offers the fastest speeds among these cellular technologies.
LTE-A (LTE-Advanced) is a more advanced version of the LTE (Long-Term Evolution) technology used in 4G networks. It uses multiple-input and multiple-output (MIMO) antenna technology, carrier aggregation, and higher-order modulation schemes to provide faster data transfer speeds compared to LTE.
LTE-A can deliver peak download speeds of up to 1 Gbps and upload speeds of up to 500 Mbps, making it significantly faster than standard LTE, CDMA, and GSM technologies. However, the actual speeds that users experience may vary depending on various factors such as network coverage, device capabilities, and network congestion.
LTE-A is designed to increase network capacity, improve network performance, and provide faster data transfer speeds compared to previous generations of cellular technologies. It achieves this by aggregating multiple frequency bands to increase the amount of available bandwidth, using more efficient modulation schemes to transmit more data over the same amount of spectrum, and implementing MIMO technology to improve signal strength and reduce interference.
In addition to faster data transfer speeds, LTE-A also supports other advanced features such as carrier aggregation, which allows for the combination of different frequency bands to provide greater network capacity and faster download speeds. It also supports advanced antenna systems such as massive MIMO, which uses multiple antennas to improve signal quality and reduce interference.
Overall, LTE-A represents a significant improvement over previous generations of cellular technologies such as CDMA and GSM, and is capable of delivering faster, more reliable, and more efficient wireless communications. However, the availability of LTE-A networks and devices may vary depending on the region and the specific carrier.
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True or False: Variablename must start with a number.
Answer:
its false
hope it helps.
Any tips or tricks I can use on my phone?
Answer:
What phone you got mate? I'm interested
Answer:
No ffrjrirrjj dudjddiejejej
term used to describe the number of bits that a cpu can access at one time.
size of words The quantity of bits stored in the internal registers of the CPU is known as the "word" size. Using 64-bit registers and capable of processing 64 bits at once, as an illustration, is a 64-bit computer.
A 32-bit computer would operate twice as quickly as a 16-bit machine internally if the clock rates (1 GHz, 2.5 GHz, etc.) and fundamental architectures were similar. The reality is that, even within the same manufacturer, 8-bit, 16-bit, 32-bit, and 64-bit architectures are rarely exact replicas of one another. As a result, an internal comparison between a 64-bit computer and a 32-bit machine may show that the latter is faster (internally) than the former. Performance also depends on the size of the CPU cache, as well as the bus and disk speeds of the system.
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which is true?a.a private helper method can be called by a class userb.a private helper method can call public methods in the same classc.a private helper method can not call other private methods in the same classd.a private helper method can be called from main( ) in another class
A private helper method can not be called by a class user. Private helper methods can only be accessed within the same class and cannot be accessed by class users.
.As for option (b), it is true that a private helper method can call public methods in the same class. This is because both private and public methods are within the same class and private helper methods are used to help public methods perform their tasks. This means that a private helper method can call a public method in the same
A private helper method is a method that is used within a class to perform a specific task but it is not intended to be used outside of the class.Therefore, option (a) is not true. This means that class users cannot call private helper methods. This is because private helper methods are not designed to be used outside of the class to which they belongclass.Option (c) is false. This is because private helper methods can call other private methods in the same class. A private helper method can be used to perform a specific task that is needed by another private method. This means that a private helper method can call other private methods in the same class to assist them in performing their tasks.Finally, option (d) is not true. This is because a private helper method cannot be called from main( ) in another class. Private helper methods are private and are only meant to be used within the class to which they belong.
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In two-dimensional arrays, the _____________ is always listed second.
Answer:
row
Explanation:
which of the following protocols can detect and correct link failures in milliseconds? a. TRILL
b. SPB
c. RSTP
d. CARP
The protocol that can detect and correct link failures in milliseconds is c. Rapid Spanning Tree Protocol (RSTP).
RSTP is an evolution of the standard Spanning Tree Protocol (STP), which was designed to prevent network loops by blocking redundant links. However, STP had a slow convergence time, which made it unsuitable for modern networks that require high availability and fast failover times.
RSTP reduces the convergence time by quickly detecting and reacting to link failures, and by enabling port states to change from blocking to forwarding in milliseconds.
This means that RSTP can provide a nearly seamless failover in case of a link failure, allowing the network to continue functioning without interruption. TRILL, SPB, and CARP are also protocols that provide redundancy and failover capabilities, but they are not as fast as RSTP in detecting and correcting link failures.
Therefore the correct option is c. RSTP
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6. What is an example of online tracking? Chase all that apply."
A timestamp is three numbers: a number of hours, minutes and seconds. Given two timestamps, calculate how many seconds is between them. The moment of the first
timestamp occurred before the moment of the second timestamp.
Can you put this into python code for me
hhd fyi ou dfi gd sdi bvb s ujj gr TX cfg y CD vi if dnainfo unlocks Toronto Yazidi
A test's directions often clarify any questions a student might have about answering a response question.
Please select the best answer from the choices provided
True
False
what is copyrights used for
if something belongs to someone it makes it so someone else cannot steal it and claim it to be their own
What is the largest utc time that can be encoded by software with the y2k38 bug.
The Y2K38 bug is a problem that is expected to occur in software systems that use a 32-bit time value to represent the number of seconds since January 1, 1970. As the value reaches its maximum capacity, it will reset to zero, causing a date shift that will affect the accuracy of the system's calculations.
The largest UTC time that can be encoded by software with the Y2K38 bug is 03:14:07 UTC on January 19, 2038. This is because the 32-bit time value will reach its maximum capacity at this point, and any further time values will be interpreted as negative numbers, causing the date to shift to December 13, 1901.
In conclusion, software systems that use a 32-bit time value to represent time must be updated to avoid the Y2K38 bug, which can cause significant errors in calculations and affect the accuracy of the system's output. Failure to update these systems can result in significant financial losses and other serious consequences.
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Are DoS and DDos tactics appropriate for legitimate organizations to use against others? What fallout is considered appropriate fallout should an attack be used on others? Explain your answer.
Answer:
They are inappropriate
fallouts: Access denial and data theft
Explanation:
Dos ( denial of service ) and DDos ( distributed denial of service ) are inappropriate for legitimate organizations to use against each other. because DOS or DDos attacks are attacks on the server of an organization by sending an unusual amount of traffic to the server, thereby denying the devices and users connected to the server access to the server.
Access denial and data theft are the fallouts associated with DOS and DDos attacks
The lifetime of a new 6S hard-drive follows a Uniform
distribution over the range of [1.5, 3.0 years]. A 6S hard-drive
has been used for 2 years and is still working. What is the
probability that it i
The given hard-drive has been used for 2 years and is still working. We are to find the probability that it is still working after 2 years. Let A denote the event that the hard-drive lasts beyond 2 years. Then we can write the probability of A as follows:P(A) = P(the lifetime of the hard-drive exceeds 2 years).By definition of Uniform distribution, the probability density function of the lifetime of the hard-drive is given by:
f(x) = 1/(b - a) if a ≤ x ≤ b; 0 otherwise.where a = 1.5 years and b = 3.0 years are the minimum and maximum possible lifetimes of the hard-drive, respectively. Since the probability density function is uniform, the probability of the hard-lifetime of a new 6S hard-drive follows a Uniform distribution over the range of [1.5, 3.0 years]. We are to find the probability that a 6S hard-drive, which has been used for 2 years and is still working, will continue to work beyond 2 years.Let X denote the lifetime of the hard-drive in years.
Then X follows the Uniform distribution with a = 1.5 and b = 3.0. Thus, the probability density function of X is given by:f(x) = 1/(b - a) if a ≤ x ≤ b; 0 otherwise.Substituting the given values, we get:f(x) = 1/(3.0 - 1.5) = 1/1.5 if 1.5 ≤ x ≤ 3.0; 0 the integral is taken over the interval [2, 3] (since we want to find the probability that the hard-drive lasts beyond 2 years). Hence,P(A) = ∫f(x) dx = ∫1/1.5 dx = x/1.5 between the limits x = 2 and x = 3= [3/1.5] - [2/1.5] = 2/3Thus, the probability that a 6S hard-drive, which has been used for 2 years and is still working, will continue to work beyond 2 years is 2/3.
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Write short note on points to consider while using attributes with the tags.
Answer:
Explanation:
Tags are used to display the content but what about the specifics of that content like if a lik should open ina window or the location of an image .Attributes are used to specify things like this regarding the content on your webpages.Attributes are located within tags.Attributes are located in start tag only,not in end tags.