The query to give all the snum values from orders table and remove duplicates is as follows: "SELECT DISTINCT snum FROM orders;".
The above SQL query is used to get all the unique snum values from the orders table. The SELECT DISTINCT statement is used to retrieve only distinct (different) values.A table may have duplicate values in it, but it is not always desirable to retrieve all duplicates.
So, the DISTINCT keyword in the SELECT clause is used to retrieve only unique/distinct values from the table.In this query, we are selecting only one column that is the snum column from the orders table. And then the DISTINCT keyword is used to remove all the duplicates from the result set.
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Complete the sentence.
Career and technology student organizations hold events to raise money for a charity. This is called __________
O conference
O competition
O networking
O philanthropy
Which of the below would provide information using data-collection technology?
Buying a new shirt on an e-commerce site
Visiting a local art museum
Attending your friend's baseball game
Taking photos for the school's yearbook
The following statement would provide the information by utilising data-collection technology: Buying a new shirt on an e-commerce site.
What is data collection?
The process of obtaining and analysing data on certain variables in an established system is known as data collection or data gathering. This procedure allows one to analyse outcomes and provide answers to pertinent queries. In all academic disciplines, including the physical and social sciences, the humanities, and business, data collecting is a necessary component of research. Although techniques differ depending on the profession, the importance of ensuring accurate and truthful collection does not change. All data gathering efforts should aim to gather high-caliber information that will enable analysis to result in the creation of arguments that are believable and convincing in response to the issues that have been addressed. When conducting a census, data collection and validation takes four processes, while sampling requires seven steps.
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A support person has verified that an employee's system is fully functioning. What is the next step in the troubleshooting theory?
Answer:
Document findings, actions and outcomes.
Explanation:
The troubleshooting process can be defined as the sequential steps that are to be taken while trying to proffer a solution to a problem, usually on computer systems.
The seven (7) steps of the troubleshooting process in ascending order are;
1. Identify the problem.
2. Establishing a theory of probable cause of the problem.
3. Test the established theory to determine cause.
4. You should establish a plan of action to resolve the problem while identifying its potential effects.
5. Implement a solution.
6. Verify full system functionality.
7. Document findings, actions and outcomes.
Since the support person has verified that an employee's system is fully functioning. The next step in the troubleshooting theory is to document findings, actions and outcomes in order to preserve the information on the cause of the problem and steps taken to resolve it. Documentation is usually done for reference purposes.
When a number gets assigned to a variable that already has a value __________. the new number overwrites the previous value at that memory location the new number gets assigned to a neighboring memory location the computer issues an error the new value is destroyed and the old value remains
Answer: the new number overwrites the previous value at that memory location
Explanation:
When a number gets assigned to a variable that already has a value, the new number overwrites the previous value at that memory location. The correct option is A.
What is assigning value?To "assign" a variable is to symbolically link a specific piece of data to a name. Any operations performed on this "name" (or variable) must be true for all possible values.
The assignment operator is the equals sign, which should never be used for equality, and should never be followed by the double equals sign.
To assign a value to a variable, use the simple assignment operator. The assigned value is evaluated by the assignment operation.
It is possible to chain the assignment operator to assign a single value to multiple variables.
When a variable receives a new value, the previous value is overwritten.
Thus, the correct option is A.
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Which device do engineers use to drive a system of gears?
A. gear train
В.
lead screw
c.
motor
D. manipulator
Answer: Motor. A motor can drive gears
Hope this helped :)
What is string literal in Java?
variable type that allows more than one character
group of printable characters enclosed within double quotation marks
group of printable characters enclosed within curly brackets
variable type that only allows for one character
Answer:
A string literal in Java is basically a sequence of characters from the source character set used by Java programmers to populate string objects or to display text to a user. These characters could be anything like letters, numbers or symbols which are enclosed within two quotation marks.
Explanation:
Ceylon Steel produces steel alloy plates. The firm wants to locate a central distribution center in the northern province of the country that will serve all of its regional centers. The firm evaluated five locations (Jaffna, Kilinochchi, Mannar, Mullaitivu, Vavuniya), and using the center of gravity method narrowed down its choice to Jaffna. The firm's supply chain manager is facing a decision regarding the amount of space to lease for the Jaffna distribution center for the upcoming three-year period. Forecasts indicate that the Jaffna distribution center will need to handle a demand of 100,000 steel alloy plates for each of the next 3 years; the firm's distribution center requirements are 1,000 square feet of distribution center space for every 1,000 steel alloy plates. The firm receives a revenue of $1.22 for each steel alloy plate. The supply chain manager must decide whether to sign a three-year lease or obtain the distribution center space on the spot/cash market each year (assuming that the only cost that the firm faces is the cost of the distribution center). The three-year lease will cost $1 per square foot per year, and the spot/cash market rate is expected to be $1.10 per square foot per 1 year for each of the three years. The firm has a discount rate of k=0.2. Should the supply chain manager sign a lease?
To determine whether the supply chain manager should sign a lease for the Jaffna distribution center, we need to compare the total costs of signing a three-year lease versus obtaining the distribution center space on the spot/cash market each year.
First, let's calculate the total cost of signing a three-year lease: Lease cost per year = $1 per square foot
Distribution center space required per year = (100,000 steel alloy plates / 1,000) * 1,000 square feet = 100,000 square feet Total lease cost for 3 years = Lease cost per year * Distribution center space required per year * 3 years = $1 * 100,000 square feet * 3 years = $300,000 Next, let's calculate the total cost of obtaining the distribution center space on the spot/cash market each year: Spot/cash market rate per year = $1.10 per square foot
Total spot/cash market cost for 3 years = Spot/cash market rate per year * Distribution center space required per year * 3 years = $1.10 * 100,000 square feet * 3 years = $330,000
Now, we need to calculate the present value of both options using the discount rate:
Present value of lease cost = $300,000 / (1 + 0.2)^3 = $185,185
Present value of spot/cash market cost = $330,000 / (1 + 0.2)^1 + $330,000 / (1 + 0.2)^2 + $330,000 / (1 + 0.2)^3 = $247,934
Comparing the present values, we find that the present value of the lease cost is lower than the present value of the spot/cash market cost. Therefore, based on the calculations and assuming that the only cost is the distribution center, the supply chain manager should sign a three-year lease for the Jaffna distribution center as it results in lower total costs over the three-year period.
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what is the name of the new open data standard co-founded by aws for logs and security data?
The Open Cybersecurity Schema Framework (OCSF), which AWS cofounded with a number of businesses in the cybersecurity sector, has been adopted by Amazon Security Lake.
OCSF: What is it?A self-governance approach for security log producers and consumers is provided by OCSF, along with a standard schema for common security events and versioning requirements to support schema change. GitHub is the home of OCSF's open-source code.
Who or what is Amazon Security Key?Data protection is aided by security keys for Amazon. To access internal services and the Amazon virtual private network, you will need to utilize your security key (VPN). Amazon sells several different kinds of security keys, but they all share the same characteristics. The USB port on your PC should accept either of your security keys.
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i u were to make 1 new animal in the world what would it be? (it can be cross breed)
Answer:
lizard bird
Explanation:
What is the primary difference between sort and filter?
Answer:
Filter only shows the messages that match a particular criterion
What are the four layers of Geert Hofstede's "cultural onion"?
Answer:
Symbol, hero, ritual, value.
Explanation:
Ask the user to enter a sentence. If the sentence has any mention of dog, tell the user (once) Dogs are cute. If the sentence has any mention of taco, tell the user (once) Tacos are tasty. Change each mention of dog to puppy. Change each mention of taco to burrito. Print the new sentence. Capitalization matters! For example, if theres a mention of Dog (note where the capital letter is), it should be changed to Puppy (note where the capital letter is). You will only need to look for mentions of dog, Dog, taco, and Taco. The plural forms are allowed but the final output for dog / Dog will not be grammatically correct, and this is ok. See sample output.
Answer:
Theses puppies are so cute!
Theses burritos are so yummy!
Would you like a taste of this delicious taco dog?
Explanation:
there you go plz may i have a brainilist??
Select four Microsoft programs.
a. Serrer
b. Visio
C. Office
d. Windows 7
e. Red Hat
Answer:
Windows, office serrear and Visio
Explanation:
Data models or schemas were not originally developed to support product and object model exchanges. Select one: True False
True, Data models or schemas were not originally developed to support product and object model exchanges. They were initially created to represent and organize data structures in databases and software applications.
True. Data models or schemas were initially developed to represent and define data structures and relationships within a system or organization. They were primarily used by database designers and administrators to design, implement, and manage databases. On the other hand, product and object models are used to represent complex products, systems, or processes and their interactions with the environment. These models include information about the physical components, functions, behaviors, and properties of the system or product. While there may be some overlap between data models and product/object models, they serve different purposes and were not initially designed to support each other.
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state two reasons why you would upload and download information
Answer:
get a better understanding of the problem
Explanation:
to be able to understand what it means and to be able to remember it in the future
Which of the following class of databases would be most suitable for a credit card firm's large-scale online transaction processing system?
NoSQL
NewSQL
OLAP
Traditional SQL
The correct answer is For a credit card firm's large-scale online transaction processing system, a Traditional SQL database would be the most suitable class of databases.
Traditional SQL databases are designed for structured data and transactional processing, which is the primary requirement for a credit card firm's transaction processing system. They are known for their stability, security, and reliability, and can handle large amounts of transactional data. Additionally, they offer features such as asset compliance, data integrity, and referential integrity, which are necessary for financial transactions. NoSQL databases, on the other hand, are more suited for unstructured or semi-structured data and high scalability. NewSQL databases are designed for handling large volumes of data with high availability and consistency. OLAP databases are more suited for analytical processing rather than transactional processing.
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Edhesive 8.2 code practice
Answer:
temperatures = []
i = 0
while i < 5:
try:
t = int(input('Enter a temperature: '))
temperatures.append(t)
i += 1
except ValueError:
print('Enter a number')
print(temperatures)
Explanation:
Hope this helps!
The program illustrates the use of exceptions
ExceptionsExceptions in programs are used to prevent a program from crashing when it encounters an error or bug
Python ProgramThe program in Python, where comments are used to explain each line is as follows:
#This initializes the number of valid temperature inputs to 0
count = 0
#This initializes the temperature list
temps = []
#This is repeated until 5 valid inputs are recorded
while count < 5:
#The try block opens here
try:
#This gets the temperature
currentTemp = int(input('Temperature: '))
#This appends the temperature to the list
temps.append(currentTemp)
#This increments the counter by 1
count += 1
#The catch block opens here
except ValueError:
#This prints the exception
print('Temperature must be a number')
#This prints the valid temperatures
print(temps)
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what is the term for a hybrid environment that normally uses a private cloud to run critical applications but will use public cloud services to meet spikes in resource usage?
The term for a hybrid cloud environment that normally uses a private cloud to run critical applications but will use public cloud services to meet spikes in resource usage is hybrid cloud.
What is hybrid cloud computing?
A hybrid cloud is a type of cloud computing that combines on-premises, private cloud services with third-party public cloud services, allowing for data and applications to be shared between them. A hybrid cloud strategy allows businesses to make the most of their existing infrastructure while also benefiting from the versatility, scalability, and cost-effectiveness of the public cloud.
A hybrid cloud approach is ideal for companies that want to maximize their investment in IT infrastructure while also reaping the benefits of public cloud services. The hybrid cloud provides businesses with the ability to take advantage of public cloud services' scalability and versatility while still keeping mission-critical applications and data on-premises.
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why should one avoid noise in the computer room
Using charts, graphs, or images to visualize complex data *
Data Visualization
Data Dump
Data pics
Data Stream
Using charts, graphs, or images to visualize complex data visualization. The correct option is A.
What is data visualization?The graphic representation of data and information is an interdisciplinary field that deals with data and information visualization.
It is a particularly effective method of communication when the data or information is large, such as a time series.
The graphical representation of information and data is known as data visualization.
Data visualization tools, which use visual elements such as charts, graphs, and maps, make it easy to see and understand trends, outliers, and patterns in data.
Thus, the correct option is A.
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Using Internet resources, find at least five organizations that offer Software as a Service (SaaS). How do their services benefit their users?
Answer:
1. Antenna Software
2. Cloud9 Analytics
3. CVM Solutions
4. Exoprise Systems
5. GageIn
Explanation:
1. Antenna Software - It has five gateways to routes and manages all transactions between the mobile applications and backend systems
2. Cloud9 Analytics - manages the warehouse separately from the solutions
3. CVM Solutions - Enables users to "clean" supplier information and to centralize and standardize information
4. Exoprise Systems - It avoid use of complex database and Web servers
5. GageIn - It uses Networking and social tools to connect users and facilitate communications
Answer:
1. Antenna Software
2. Cloud9 Analytics
3. CVM Solutions
4. Exoprise Systems
5. GageIn
Explanation:
Name two sensors which would be used in a burglar alarm system
1. Passive Infrared Sensor
This sensors type is passive in a way that it doesn't radiate its own energy. Instead, it detects the infrared light radiating from objects. This way, it can detect whenever there's a human or another living being in its field of view.
2. Photoelectric Beams
This is also another type of motion detector, but it doesn't work similarly to the others. For one, it doesn't have a coverage area. It only forms a fence, which triggers the alarm if broken.
It consists of two separate parts that form a sort of a fence made of IR beams. When someone steps into the beams, between the two parts, they trigger the alarm.
3. Consider the following:
final int[] myArray = { 1,2 };
myArray[1] = 3;
System.out.println (myArray[1]);
What is printed?
4. Given:
String words = {“Happy”, “Birthday” , “to”, “you”};
int i = 0;
j = words.length-1; String temp;
while (i < j ) {
temp = words[i];
words[i] = words[j];
words[j] = temp;
i++;
j--;
}
What is stored in words at the completion of the while loop?
5. Given:
int [] nums = {-2, -1, 0, 1, 2};
int k;
for (k = 0; k < nums.length; k++) {
nums[k] -=sign (nums[k]) //sign returns 1 if k is pos,
// -1 if k is neg, and 0 if k is 0
nums[k] += sign(nums[k]);
}
What are the value of the elements of nums after the for loop?
6. Consider the following code segment:
1. int [] A = new int [3];
2. int [] B = new int [10];
3. B[9] = 30;
4. A = B;
5. A[9] = 20;
6. B[9] = 10;
7. System.out.println (A[9]);
Trace what happens in memory for the above steps 1 – 7. What is the output?
The true statements are:
3. The output is 34. At the end of the completion of the loop, {"you", "to", "Birthday", "Happy"} is saved in words5. After the for loop, all the elements of nums become 06. The output on line 7 is 10Program 3The flow of the program is that:
The program changes the index 1 element of the integer array myArray to 3 This element is then printed, afterwardsHence, the output is 3
Program 4The flow of the program is that:
The elements of the string array words are reversed These elements are then printed, afterwardsHence, at the end of the completion of the loop, {"you", "to", "Birthday", "Happy"} is saved in words
Program 5The flow of the program is that:
The elements of the integer array nums are reduced or increased to 0These elements are then printed, afterwardsHence, after the for loop, all the elements of nums become 0
Program 6The flow of the program is that:
Lines 1 and 2 declare integer arrays A and BLine 3 sets B[9] to 30Line 6 sets B[9] to 10Line 4 changes the length of array A to 10, and the same elements are saved in A and BHence, the output on line 7 is 10
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When a document contains text displayed in 10-point Cambria, to what does the 10-point refer?-the font style-the number of colors in which a character can be displayed-the font size-the number of characters that can fit in one linear inch of text
In typography, the term "point" refers to a unit of measurement used to define the size of characters in a font. It is commonly used in the design and printing of documents, as well as in digital typography.
Therefore, when a document contains text displayed in 10-point Cambria, the "10-point" refers to the font size, which is the size of the characters in the font. In this case, the characters in the Cambria font are 10 points in height, which is a common size for body text in many documents.Hence, the correct answer is: "the font size".
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describe at least five ways in which Information Technology can help students studying subject other than computing
Answer:
‘Computer Science’ and ‘information technology’ are completely different subjects. Information Technology (IT) is-
(i) the study,
(ii) design,
(iii) development,
(iv) implementation, and
(v) support or management
of computer-based information systems, particularly software applications and computer hardware.
Information Technology (IT) deals with the use of electronic computers and computer software to-
(i) convert,
(ii) store,
(iii) protect,
(iv) process,
(v) transmit, and
(vi) securely retrieve information.
Shortly, information technology (IT) itself means learning to use technology in business or in studies of some subject matter using technology.
Hence, IT could help students studying subjects other than computing with the above mentioned points considered.
a ______ is a program that sets up a database and provides tools to enter, edit, and retrieve data from a database.
A database management system (DBMS) is a program that sets up a database and provides tools to enter, edit, and retrieve data from a database.
A database management system (DBMS) is computer software for designing, storing, retrieving, and managing data in a database. DBMSs provide users and programmers with a systematic way to manage data. A DBMS is used to control and administer data access, store and organize data, and manipulate data in a database.Some common database management systems are Microsoft Access, MySQL, Oracle, and SQL Server. Each DBMS uses a slightly different syntax to operate databases, but most offer a graphical user interface (GUI) that lets users access and manipulate data in a more accessible way than text-based interfaces, such as command-line interfaces. The goal of a database management system is to help organize data so that it can be used efficiently. Organizations use DBMSs to create, update, delete, and read records in a database. DBMSs also provide users with a range of tools to manage and use the data stored in a database.
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mobile web apps are actually websites that provide a user experience similar to native apps.
T/F
True. Mobile web apps are websites designed to be accessed and used on mobile devices.
They utilize responsive design techniques to ensure compatibility and adaptability across various screen sizes. These web apps are accessed through a web browser, similar to traditional websites, but they provide a user experience that closely resembles native mobile apps. Mobile web apps can incorporate features such as push notifications, offline functionality, and access to device hardware (camera, location, etc.) through browser APIs. They are developed using web technologies such as HTML, CSS, and JavaScript, allowing for cross-platform compatibility and easier maintenance compared to developing separate native apps for different operating systems.
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Which of the following type of servers would be ideal candidates to install and utilize Windows 2016 Nano Server? (Choose all that apply.)
O Hyper-V server
O DNS server
O Web serverO All above
All of the options are correct.
Windows 2016 Nano Server is a lightweight version of the Windows Server operating system that is designed to be used in a variety of scenarios, including as a virtualization host, a file server, or a domain controller. It is optimized for use in cloud environments and can be deployed remotely using standard tools such as Windows PowerShell or Remote Server Administration Tools (RSAT).
Based on the options you provided, all of the following types of servers would be ideal candidates for installing and utilizing Windows 2016 Nano Server:
Hyper-V server: Nano Server can be used as a virtualization host, running Hyper-V to host virtual machines.DNS server: Nano Server can be used as a domain name system (DNS) server, providing name resolution services to clients on the network.Web server: Nano Server can be used as a web server, hosting websites and web applications.Therefore, the correct answer is "All above."
b. What is Algorithm? b . What is Algorithm ?
\(\huge\purple{Hi!}\)
An algorithm is a procedure used for solving a problem or performing a computation. Algorithms act as an exact list of instructions that conduct specified actions step by step in either hardware- or software-based routines.
Algorithms are widely used throughout all areas of IT. In mathematics and computer science, an algorithm usually refers to a small procedure that solves a recurrent problem. Algorithms are also used as specifications for performing data processing and play a major role in automated systems.
An algorithm could be used for sorting sets of numbers or for more complicated tasks, like recommending user content on social media. Algorithms typically start with initial input and instructions that describe a specific computation. When the computation is executed, the process produces an output.
which circut is a series circut?
In a series circuit, the components are connected end-to-end
What is a Series Circuit?A series circuit is a circuit in which the components (such as resistors, capacitors, and inductors) are connected in a single path, so that the same current flows through all the components.
In other words, the components are connected end-to-end, and there are no branches or parallel connections in the circuit.
P.S: Your question is incomplete, so a general overview was given.
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