If i want to see all matching records between two tables, i need a _______ join.
Answers
If you want to see all matching records between two tables, you need an "inner" join. In a database, two or more tables are often joined together to generate reports and extract useful information.
An inner join allows for the retrieval of only those rows where there is at least one match between the tables being joined. An inner join compares each row of one table with every row of the other table and only returns those rows for which the join condition evaluates to true.
The INNER JOIN returns only those rows where there is a match between both tables. The following example demonstrates how to use an INNER JOIN to retrieve data from two tables named "customers" and "orders":SELECT * FROM customersINNER JOIN ordersON customers.customer_id = orders.customer_id;In the preceding example, the customer_id field is used to join the two tables. The query returns a list of all customers with their respective orders.
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Related Questions
"
Assume you are creating a database. Four entities are
identified: buyer, seller, agent, and house. Suppose each buyer can
make an appointment with a seller to see a house at a certain
time
Answers
In the database, four entities are identified: buyer, seller, agent, and house. The system allows buyers to schedule appointments with sellers to view houses at specific times.
To create a database for managing interactions between buyers, sellers, agents, and houses, we can design a system that facilitates the scheduling of appointments for house viewings. The entities in the database include the buyer, seller, agent, and house, each with their respective attributes and relationships.
The buyer entity would have information such as name, contact details, and preferences for the type of house they are interested in. The seller entity would contain details about the property being sold, including its address, price, and any additional information. The agent entity would represent the intermediary facilitating the transactions, with attributes like their name, contact information, and agency affiliation.
The house entity would store information specific to each property, such as its address, size, number of bedrooms, and any other relevant details. Additionally, the house entity would include a field to indicate its availability for viewings.
To enable buyers to schedule appointments with sellers, the database could have a relationship between the buyer and seller entities, allowing the buyer to request a viewing for a particular house. This relationship could include attributes like the requested time and date for the viewing.
With this structure in place, the database could provide functionality for buyers to browse available houses, select a property of interest, and request an appointment at a convenient time. The system would then manage the scheduling process, ensuring that there are no conflicts in appointment times for a given house and notifying the relevant parties about the confirmed viewing arrangements.
Overall, the database would support the coordination of appointments between buyers and sellers, streamlining the process of house viewings and facilitating efficient communication between the involved entities.
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Which approach to obtaining software is taken when an organization uses Microsoft Office 365 or Adobe's Creative Cloud suite
Answers
The approach to obtaining software when an organization uses Microsoft Office 365 or Adobe's Creative Cloud suite is known as Software as a Service (SaaS). This model allows users to access software applications over the internet.
When an organization uses Microsoft Office 365 or Adobe's Creative Cloud suite, it is taking the software as a service (SaaS) approach to obtaining software. In this approach, the software is hosted on the cloud and accessed through the internet. The organization pays a subscription fee to the software provider, which gives them access to the software and its features. This approach allows the organization to avoid the costs associated with purchasing and maintaining software licenses and infrastructure. It also allows for easier updates and access to the latest features, as the software is constantly updated by the provider.
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Which of the following is true about the Internet of Things?
1. The Internet of Things is the network of devices with the ability to connect
and exchange data.
II. The Internet of Things increases our vulnerability to cyber attacks.
III. The Internet of Things is purely positive-there are no negative
consequences to increased connectivity
Answers
Answer:
option A
the internet of things is the network of devices with the ability to connect
The statement that is true regarding internet of things is it is the network of devices with the ability to connect and exchange data. The correct option is 1.
What is internet?The Internet is a vast network that connects computers worldwide. People can share information and communicate via the Internet from any location with an Internet connection.
It enables effective communication to any part of the world via email and instant messaging.
It enhances business interactions and transactions while saving valuable time. Banking and shopping online have simplified life.
The use of the internet for education facilitates the sharing of information and communication.
It allows students to view lectures online and access relevant study material in a variety of multimedia formats.
Thus, the correct option is 1.
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how many country on earth
Answers
Answer:
195 countries
I think Soo
Answer:
there are 195 countries on earth
Cloud kicks has a custom object named shoe. the administrator has been asked to ensure that when a relationship is created between account and shoe to prevent orphaned shoe records. what should the administrator do to complete this requirement?
Answers
Prevent orphaned Shoe records by setting "Cascade Delete" to "Restrict" or by creating a Shoe object trigger.
To prevent orphaned shoe records when a relationship is created between the Account and Shoe custom objects, the administrator should set the "Cascade Delete" option to "Restrict" on the relationship. This means that when an Account is deleted, Salesforce will not automatically delete related Shoe records, thus preventing orphaned records. The administrator can set this option by navigating to the Object Manager in Salesforce, selecting the Shoe object, going to the Relationships section, and editing the relationship with the Account object.
Alternatively, the administrator could also create a custom trigger on the Shoe object to check for any related Account before allowing a Shoe record to be deleted. This provides another level of protection against accidental deletion of records and ensures that all related records are properly managed. By taking these steps, the administrator can meet the requirement of preventing orphaned Shoe records when a relationship is created between the Account and Shoe custom objects.
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a data analyst is considering using tibbles instead of basic data frames. what are some of the limitations of tibbles? select all that apply.
Answers
Tibbles are helpful since they make printing simpler when working with enormous datasets. However, tibbles can never alter the data's input type, add new row names, or alter variable names.
What distinguishes a Dataframe from a Tibble?Data frames versus Tibbles, Printing, and subsetting are the two basic ways that a data frame and a table are used differently. Only the first 10 rows and all the columns that fit on the screen are displayed when printing with Tibbles' sophisticated method. This makes working with vast amounts of data much simpler.
A tibble — is it a data frame?Tibbles are data frames with a bad attitude who do less work (for example, they don't change variable names or types or perform partial matching) and whine more (e.g. when a variable does not exist). This forces you to deal with issues sooner, which usually results in cleaner, more expressive code.
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Write a program in java to input N numbers from the user in a Single Dimensional Array .Now, display only those numbers that are palindrome
Answers
Using the knowledge of computational language in JAVA it is possible to write a code that input N numbers from the user in a Single Dimensional Array .
Writting the code:class GFG {
// Function to reverse a number n
static int reverse(int n)
{
int d = 0, s = 0;
while (n > 0) {
d = n % 10;
s = s * 10 + d;
n = n / 10;
}
return s;
}
// Function to check if a number n is
// palindrome
static boolean isPalin(int n)
{
// If n is equal to the reverse of n
// it is a palindrome
return n == reverse(n);
}
// Function to calculate sum of all array
// elements which are palindrome
static int sumOfArray(int[] arr, int n)
{
int s = 0;
for (int i = 0; i < n; i++) {
if ((arr[i] > 10) && isPalin(arr[i])) {
// summation of all palindrome numbers
// present in array
s += arr[i];
}
}
return s;
}
// Driver Code
public static void main(String[] args)
{
int n = 6;
int[] arr = { 12, 313, 11, 44, 9, 1 };
System.out.println(sumOfArray(arr, n));
}
}
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you are a network administrator for your company. a user calls and tells you that after stepping on the network cable in her office, she can no longer access the network. you go to the office and see that some of the wires in the cat 5 network cable are now exposed. you make another cable and attach it from the wall plate to the user's computer. what should you do next in your troubleshooting strategy?
Answers
Since you are a network administrator for your company, the thing that you need to do next in your troubleshooting strategy is to Test the solution.
What is the solution being tested?Solution testing is a broad field of study. It includes an overall risk analysis, the design of a test architecture and delivery model, the design of a test suite, the design of test analysis, the design of test sets and data, the preparation and execution of tests, the analysis of anomalies, and the resolution of defects.
The process of scanning, finding, diagnosing, and fixing issues, faults, and bugs in software is known as software troubleshooting. It is a methodical procedure designed to identify and fix issues and return the software to normal performance.
Although there are different approaches to troubleshooting, the next seven procedures are frequently performed.
assemble information.Please describe the issue.Identify the most likely reason.Make a plan of action evaluate a potential solution.Put the solution into action.Analyze the outcomes, then record the procedure.Learn more about network administrator from
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What types of customizations have you or would you make to your operating system, and why?
Answers
Answer:
Explanation:
I have made a couple of customizations to my OS, which is Windows 10. The first being that I activated dark mode, this feature turns the entire OS into a dark-themed color, including apps and menus. This makes using the computer for extended hours much easier on the eyes. The other very important customization I added was a hover taskbar. This allows me to add many important shortcuts to the taskbar which all appear when I hover over the taskbar. It makes my desktop much cleaner and I have quick and easy access to my most important applications.
the ________ mysql statement is an alternative for the show columns statement.
Answers
The DESCRIBE MySQL statement serves as an alternative for the SHOW COLUMNS statement. The `DESCRIBE` statement is used to obtain the table structure information and the `SHOW COLUMNS` statement is used to display the columns from the table.
Both statements provide information about the columns in a table. However, the DESCRIBE statement offers a more concise way to retrieve column details.
By simply executing DESCRIBE table_name, where table_name represents the name of the table, you can obtain information such as column names, data types, lengths, and any additional attributes.
The output of the DESCRIBE statement presents a compact representation of the table structure, making it convenient for quickly examining the column properties without the need for additional syntax or options.
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what happens when you connect a new internal hard drive to a windows pc?
Answers
When you connect a new internal hard drive to a Windows PC, the operating system will recognize the drive and assign it a letter.
What is Windows PC?Windows PC is a computer that runs Microsoft Windows operating system. It is one of the most widely used operating systems in the world, with over 1 billion users. Windows PC is used for a variety of tasks, including word processing, web browsing, gaming, multimedia playback, and more. Windows PCs typically come with preinstalled software such as Microsoft Office and antivirus software.
This letter will be either E: or F:, depending on the number of drives already installed on the computer. At this point, the drive will appear as a new drive in the File Explorer window. You can then format the drive and begin using it to store files and programs.
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There are some processes that need to be executed. Amount of a load that process causes on a server that runs it, is being represented by a single integer. Total load caused on a server is the sum of the loads of all the processes that run on that server. You have at your disposal two servers, on which mentioned processes can be run, Your goal is to distribute given processes between those two servers in the way that, absolute difference of their loads will be minimized. Write a function: class solution { public int solution(int[] A); } (JAVA) that, given an array of A of N integers, of which represents loads caused by successive processes, the function should return the minimum absolute difference of server loads. For example, given array A such that:
A[0] = 1
A[1] = 2
A[2] = 3
A[3] = 4
A[4] = 5
Your function should return 1. We can distribute the processes with loads 1,2,3,4 to the first server and 3,5 to the second one, so that their total loads will be 7 and 8, respectively, and the difference of their loads will be equal to 1
Answers
The Java code that solves this problem has been written in the space below
How to write the Java codepublic class Solution {
public int solution(int[] A) {
int totalLoad = 0;
for (int load : A) {
totalLoad += load;
}
int server1Load = 0;
int server2Load = totalLoad;
int minAbsoluteDifference = Integer.MAX_VALUE;
for (int i = 0; i < A.length - 1; i++) {
server1Load += A[i];
server2Load -= A[i];
int absoluteDifference = Math.abs(server1Load - server2Load);
minAbsoluteDifference = Math.min(minAbsoluteDifference, absoluteDifference);
}
return minAbsoluteDifference;
}
}
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(25 POINTS)Which statement best reflects the importance of following safety guidelines?
Workplace injuries can result in losses to an organization’s profits.
OSHA responds to complaints of unsafe work environments, and can fine or take negligent employers to court.
Every year, thousands of people die as a result of workplace injuries.
Using equipment safely is faster and makes work more efficient.
Answers
Answer:
I think, Every year, thousands of people die as a result of workplace injuries.
Answer:
B
Explanation:
what is the most common form factor for motherboards
Answers
The most common form factor for motherboards is ATX (Advanced Technology Extended). This form factor was developed by Intel in 1995 and is the most widely used form factor in desktop computers.
What is motherboards?A motherboard is the main printed circuit board found in computers, laptops and other electronic devices. It is the central hub that connects the processor, memory, storage, peripheral devices, and other components. It allows for communication between the various components and helps to provide a bridge between the system's hardware and software. It is the primary component that allows a computer system to function. It is often referred to as the backbone of the computer and provides the basis for the entire hardware system.
It is an industry-standard size and shape of the motherboard, making it compatible with many different computer cases and other components. The ATX form factor is larger than other form factors, allowing for more expansion slots, ports, and integrated features.
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How many countries don't uses the metric system?
Answers
Answer:
The USA, Liberia, and Burma (a.k.a. Myanmar)
Explanation:
These are the only 3 countries that don't use the metric system
"Great Rock and Roll Pauses" tells the story of:
Answers
"Great Rock and Roll Pauses," tells the story of the family of a 12-year-old. Thus, option B is correct.
In a PowerPoint presentation, a teen examines her family's behavior and the motivations behind it. The narrative of "Great Rock and Roll Pauses" centers on a 12-year-old's family. In the short tale "Great Rock and Roll Pauses," Sasha makes the argument that when a rock performance pauses, one is pleased that it doesn't end. This is something that practically all of the individuals featured in the book have gone through.
Therefore, option B is correct.
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The question is incomplete, Complete question probably will be is:
"Great Rock and Roll Pauses" tells the story of:
A. the best rock music ever.
B. the family of a 12-year-old.
C. the lives of famous rock stars.
D. the way to make music charts.
Add criteria to this query to return only the records where the value in the DeptCode field is ENG or CIS. Run the query to view the results.
Answers
To add criteria to the query and filter the records based on the value in the DeptCode field, the following SQL query can be used:
SELECT *
FROM YourTableName
WHERE DeptCode IN ('ENG', 'CIS');
Replace "YourTableName" with the actual name of the table. This query uses the IN operator to specify multiple values for the DeptCode field. In this case, it filters the records to include only those where the DeptCode is either 'ENG' or 'CIS'.
It is required to replace "YourTableName" with the actual name of the table. Also, make sure to use the appropriate database management system and execute the query accordingly.
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at which layer of the osi model would a logical address be added during encapsulation?
Answers
Answer:
At which layer of the OSI model would a logical address be added during encapsulation?? Explain: Logical addresses, also known as IP addresses, are encapsulated at the network layer. Physical addresses are encapsulated at the data link layer.
The layer of the OSI model that a logical address be added during encapsulation is network layer.
What is the network layer?This layer is known to be the part of an online communications that helps or give one room to make an association or linkage and move data packets between a lot of devices or networks.
Conclusively, The layer of the OSI model that a logical address be added during encapsulation is network layer. because it moves information to the address a person wants.
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What are the Key Process Areas for CNNi Level 2?
Answers
The Key Process Areas (KPAs) for CNNi Level 2 are as follows: 1. News-gathering 2. Storytelling 3. Delivery 4. Technical Production 5. Teamwork 6. Communication 7. Planning and Organization 8. Initiative 9. Professionalism 10. Personal Development
The Key Process Areas (KPAs) are general categories of abilities and accomplishments that all journalists at CNN International should have, regardless of their specialty or role. KPAs are intended to outline a range of abilities that a CNNi journalist should have at each level. The ten KPAs at Level 2, as previously noted, are News-gathering, Storytelling, Delivery, Technical Production, Teamwork, Communication, Planning and Organization, Initiative, Professionalism, and Personal Development.
KPAs, in general, are used to evaluate a journalist's professional growth and advancement potential. They represent a framework of anticipated behaviors and actions that journalists should demonstrate in order to advance to the next level.
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Select the correct answer.
Terrence has five columns of numbers in a spreadsheet. He's entered formulas at the end of each column to calculate the average of the
numbers. One of the averages seems implausibly incorrect. Which TWO of the following might be causing this?
The spreadsheet software isn't working correctly.
Terrence made a mistake while entering the formula.
Terrence should have entered the numbers in rows rather than columns.
Terrence entered one or more numbers incorrectly.
A formula can calculate an average only if there's also a formula to calculate the sum.
Answers
Terence made a mistake while entering the formula.
Terence entered one or more numbers incorrectly.
The main content of the preliminary design of workshop layout.
Answers
Answer: The preliminary design of a workshop layout in computer science involves key elements such as space planning, equipment placement, workstation design, wiring and infrastructure , safety considerations, collaborative spaces, storage and organization, and flexibility.
Explanation: This includes determining the floor layout, positioning equipment and machinery, designing workstations, planning wiring and infrastructure, ensuring safety measures, allocating collaborative areas, organizing storage, and considering future adaptability.
By considering these aspects, the preliminary design creates an efficient and organized workspace conducive to productive and collaborative work in the workshop.
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1)Which tool can you use to find duplicates in Excel?
Select an answer:
a. Flash Fill
b. VLOOKUP
c. Conditional Formatting
d. Concatenation
2)What does Power Query use to change to what it determines is the appropriate data type?
Select an answer:
a.the headers
b. the first real row of data
c. data in the formula bar
3)Combining the definitions of three words describes a data analyst. What are the three words?
Select an answer:
a. analysis, analyze, and technology
b. data, programs, and analysis
c. analyze, data, and programs
d. data, analysis, and analyze
Answers
The tool that you can use to find duplicates in Excel is c. Conditional Formatting
b. the first real row of datac. analyze, data, and programsWhat is Conditional Formatting?Excel makes use of Conditional Formatting as a means to identify duplicate records. Users can utilize this feature to identify cells or ranges that satisfy specific criteria, like possessing repetitive values, by highlighting them.
Using conditional formatting rules makes it effortless to spot repeated values and set them apart visually from the other information. This function enables users to swiftly identify and handle identical records within their Excel worksheets, useful for activities like data examination and sanitation.
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Please help me. It's due in 2 hours.
Answers
In a Cartesian join, linking a table that contains 10 rows to a table that contains 9 rows will result in ____ rows being displayed in the output.
A. 19
B. 90
C. 18
D. 89
Answers
The correct answer is A. 19. In a Cartesian join, also known as a cross join, all possible combinations of rows from both tables are displayed in the output.
In a Cartesian join, also known as a cross join, all possible combinations of rows from both tables are displayed in the output.
Therefore, the total number of rows displayed in the output would be the product of the number of rows in both tables, which is 10 x 9 = 90. In a Cartesian join, linking a table that contains 10 rows to a table that contains 9 rows will result in 90 rows being displayed in the output.However, since the question specifically asks for the number of rows when linking a table that contains 10 rows to a table that contains 9 rows, the answer would be 19, which is the total number of rows when all possible combinations of rows from both tables are displayed.
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write the importance of software In computer
Answers
Answer:
Microsoft word, Excel, Access, Power point, Microsoft windows...........
Explanation:
g write the code that would support overload for the * operator that will allow scalar multiplication, i.e. a double times a point.
Answers
Answer:
Here is one possible way to implement overload for the * operator that will allow scalar multiplication:
struct Vec3 {
float x, y, z;
Vec3 operator*(float scalar) const {
return Vec3{x * scalar, y * scalar, z * scalar};
}
};
This code defines a Vec3 struct that represents a three-dimensional vector, and it overloads the * operator to perform scalar multiplication. The * operator takes a float value as its right-hand operand and returns a new Vec3 object that is the result of scaling the original vector by the given scalar value.
what has a bit and spins and can make holes
Answers
Answer:
A drill
Explanation:
A drill uses a bit to hold the screw that holds the screw, which makes a hole
make this the most disliked post
Answers
Answer: if you give me a brainest i will
Explanation:
Tonya wants to keep her class schedule, assignments, and notes all in one place. Which online note-taking tool would be the best one to use?
A) electronic sticky notes
B) an electronic notebook
C)a web clipping tool
D) digital flash cards
PLS HELP AND PLS HURRY!!
Answers
Answer:
C) an electronic notebook
Explanation:
i just did it
The online note-taking tool that would be the best one to use is an electronic notebook. The correct option is B.
What is an electronic notebook?A computer application meant to replace paper laboratory notebooks is known as an electronic lab notebook (ELN). Scientists, engineers, and technicians utilize lab notebooks to document research, experiments, and procedures performed in a laboratory.
Some downsides include security problems, inability to upgrade, damage potential, and limited capability. Smart notebooks are one approach to bridge that gap: they allow you to write on actual paper with a real pen and then transfer your notes to your smartphone, tablet, or computer, albeit the method varies depending on the sort of smart notebook you use.
Therefore, the correct option is B) an electronic notebook.
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The Internet was originally created as a communication system for the ________. Group of answer choices U.S. Congress University System Department of Education Department of Defense
Answers
Answer:
Department of Defense