To determine the number of hospitals in which each doctor operates, we can use an outer join between the doctor and operation tables. This will allow us to include all doctors, even those who did not perform any operations, and count the number of hospitals where each doctor operates.
Here's the SQL query:
sql
Copy code
SELECT doctor.doc, doctor.dname, COUNT(DISTINCT operation.hospital) AS num_hospitals
FROM doctor
LEFT OUTER JOIN operation ON doctor.doc = operation.doc
GROUP BY doctor.doc, doctor.dname;
In this query, we use a left outer join between the doctor and operation tables, with the join condition being the doc column. This will include all doctors, even those who did not perform any operations. We then group the results by doc and dname, and use the COUNT(DISTINCT operation.hospital) function to count the number of distinct hospitals where each doctor operates. The DISTINCT keyword ensures that each hospital is only counted once, even if the doctor performed multiple operations there. The resulting table will have three columns: doc (the doctor's ID), dname (the doctor's name), and num_hospitals (the number of hospitals where the doctor operates).
Learn more about operates here:
https://brainly.com/question/29949119
#SPJ11
assuming fifo service and each packet takes one unit of time to process, indicate the time at which packets 2 through 12 each leave the queue. for each packet, what is the delay between its arrival and the beginning of the slot in which it is transmitted? what is the average of this delay over all 12 packets? b. now assume a priority service, and assume that odd
In a FIFO (First-In-First-Out) service with one unit of time required to process each packet, the departure times and delays for packets 2 through 12 from the queue can be calculated. The average delay across all 12 packets can also be determined. In a priority service, assuming odd-numbered packets have higher priority, the departure times and delays for the packets can be calculated.
In a FIFO service, packets are processed in the order they arrive. Assuming packets 1 to 12 arrive at consecutive time intervals, we can calculate the departure times and delays for packets 2 through 12.
Packet 1 arrives at time 0 and is processed immediately, so it departs at time 1. Packet 2 arrives at time 1, and since Packet 1 takes one unit of time to process, it can begin transmission at time 2. Similarly, Packet 3 can begin transmission at time 3, and so on. Following this pattern, the departure times for packets 2 to 12 are 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, and 12, respectively.
The delay for each packet is the time between its arrival and the beginning of the slot in which it is transmitted. For example, the delay for Packet 2 is 2 - 1 = 1 unit of time. The delays for packets 2 through 12 are 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, and 11, respectively.
To calculate the average delay, we sum up all the delays and divide by the total number of packets. In this case, the sum of delays is 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 + 11 = 66. Dividing this sum by 12 (the number of packets) gives us an average delay of 5.5 units of time.
In a priority service where odd-numbered packets have higher priority, the departure times and delays would depend on the arrival pattern and the specific priority scheme. This information is not provided in the question, so a detailed calculation cannot be performed. However, the departure times and delays for odd-numbered packets would generally be shorter compared to even-numbered packets, reflecting their higher priority.
Learn more about packet here:
https://brainly.com/question/32888318
#SPJ11
The complete question is
<assuming fifo service and each packet takes one unit of time to process, indicate the time at which packets 2 through 12 each leave the queue. for each packet, what is the delay between its arrival and the beginning of the slot in which it is transmitted? what is the average of this delay over all 12 packets?
b. Now assume a priority service, and assume that odd-numbered packets are high priority, and even-numbered packets are low priority. Indicate the time at which packets 2 through 12 each leave the queue. For each packet, what is the delay between its arrival and the beginning of the slot in which it is transmitted? What is the average of this delay over all 12 packets?>
what is the name of the windows location that stores cut or copied information
Answer:
clip board
Explanation:
it is known as a clipboard
The clipboard, also known as pasteboard, is a particular location on a computer, phone, or tablet memory that temporarily stores cut or copied text or other data.
Where is data stored when you copy something?The clipboard is located in the computer's RAM (Random Access Memory). Every time you copy something — text, image, file or other data — the selected portion to be copied is placed in the clipboard. Once placed there, this data can be 'pasted' into another program or document.
Where is clipboard located?Open the messaging app on your Android, and press the + symbol to the left of the text field. Select the keyboard icon. When the keyboard appears, select the > symbol at the top. Here, you can tap the clipboard icon to open the Android clipboard.
To learn more about The clipboard, refer
https://brainly.com/question/1594289
#SPJ2
If a recursive function does not contain a base case, it ________.
A) returns 0 and stops
B) returns false and stops
C) uses up all available stack memory, causing the program to crash
D) reaches the recursive case and stops
E) None of these
If a recursive function does not contain a base case, it uses up all available stack memory, causing the program to crash.The base case is the point where recursion stops in a recursive function. So, option (C) uses up all available stack memory, causing the program to crash is correct.
If there is no base case, the function cannot be halted, and it will run indefinitely, ultimately using up all available stack memory. It can lead to the program crashing and not functioning properly. As a result, when defining recursive functions, programmers must ensure that they have a base case that is met in all cases. This will guarantee that the recursive function eventually halts.
So, option (C) uses up all available stack memory, causing the program to crash is correct. This is what happens when a recursive function is not having any base case. A base case is an important aspect of a recursive function that acts as a terminating condition and prevents the function from calling itself indefinitely.
For more information on recursive function visit:
brainly.com/question/26993614
#SPJ11
how should we utilize our rights
Answer:
Human rights also guarantee people the means necessary to satisfy their basic needs, such as food, housing, and education, so they can take full advantage of all opportunities. Finally, by guaranteeing life, liberty, equality, and security, human rights protect people against abuse by those who are more powerful.
Explanation:
Answer:
Speak up for what you care about.
Volunteer or donate to a global organization.
Choose fair trade & ethically made gifts.
Listen to others' stories.
Stay connected with social movements.
Stand up against discrimination.
Explanation:
The copy mouse pointer looks like a
white plus sign
O white arrow
white arrow with a small plus sign
black cross
if your license is suspended it means that
Answer:
A license suspension means driving privileges are temporarily unavailable to you for a defined period of time. Typically, to end a suspension period, you must participate in specific actions to have your license reinstated.
(4 points) for each of the following racket lists, draw its memory representation using atom and cons cells:'(everyday (is a) new beginning) '((everyday is) (a) new (beginning)
The memory representation of the racket lists can be illustrated using atom and cons cells. The first list, '(everyday (is a) new beginning)', would be represented with cons cells connecting the atoms and sublists. The second list, '((everyday is) (a) new (beginning)', would have nested cons cells connecting the atoms and sublists in a hierarchical structure.
In the memory representation using atom and cons cells, each element of the list is either an atom or a sublist. An atom represents a single value or entity, while a sublist is a collection of atoms and/or nested sublists.
For the first list, '(everyday (is a) new beginning)', the memory representation would include cons cells connecting the atoms 'everyday', 'is', 'a', 'new', and 'beginning', as well as a cons cell connecting the sublist '(is a)'. For the second list, '((everyday is) (a) new (beginning)', the memory representation would consist of nested cons cells connecting the sublists and atoms. There would be a cons cell connecting the sublist '(everyday is)' to the sublist '(a)', and further cons cells connecting the atoms 'new' and 'beginning' to their respective sublists. By representing the lists in memory using atom and cons cells, the hierarchical structure and relationships between the elements can be visualized and understood.
To learn more about racket list, refer:
brainly.com/question/31731726
#SPJ11
why is what you say in business as important as how you say it
Answer:
Because the things you say and how you say it can determine whether or not you sell an item, make a deal with another company and things of that nature. Hope this helps!!
Conduct online research on the document object model. Study about the objects that constitute the DOM. In addition, read about some of the properties and methods of these objects and the purposes they serve. Based on your online research on DOM and its objects, describe DOM in detail.
The Document Object Model (DOM) is a programming interface for HTML and XML documents. It represents the structure of a document as a hierarchical tree of objects, where each object represents an element, attribute, or piece of text within the document.
The objects that constitute the DOM include:
Document: Represents the entire HTML or XML document. It serves as an entry point to access other elements and nodes within the document.
Element: Represents an HTML or XML element, such as <div>, <p>, or <span>. Elements can have attributes, child elements, and text content.
Attribute: Represents a specific attribute of an HTML or XML element. Attributes provide additional information about elements, such as the id, class, or src attributes.
Text: Represents the text content within an element. Text nodes contain the actual textual content that is displayed within the document.
NodeList: Represents a collection of nodes, usually returned by methods such as getElementByTagName(). It allows access to multiple nodes at once.
Event: Represents an event triggered by user interaction or other actions. Events can include mouse clicks, keyboard input, or element-specific events like onload or onchange.
The DOM objects provide various properties and methods to interact with the document. Some commonly used properties include:
innerHTML: Gets or sets the HTML content within an element.
className: Gets or sets the class attribute value of an element.
parentNode: Retrieves the parent node of an element.
childNodes: Retrieves a collection of child nodes of an element.
By utilizing the DOM and its objects, developers can dynamically modify the content, style, and behavior of web pages. It provides a powerful and standardized way to interact with and manipulate web documents programmatically.
For more questions on Document
https://brainly.com/question/30563602
#SPJ11
In data communication, convergence refers to integrating voice, video, and data so that multimedia information can be used for decision making. True or False
In data communication, convergence refers to integrating voice, video, and data so that multimedia information can be used for decision making is true.
What is Convergence in Networking?Convergence in networking is known to take place if one network provider gives networking services in terms of voice, data, and video in only one network offering.
Note that In data communication, convergence refers to integrating voice, video, and data so that multimedia information can be used for decision making is true.
Learn more about communication from
https://brainly.com/question/26152499
#SPJ4
Here is a super challenge for you if you feel up for it. (You will need to work this out in Excel.) In 2017 the Islamic month of fasting, Ramadan, began on Friday, 26 May. What fraction of the year was this? (to 1 decimal place) Hint: Think carefully which start and end dates to use.
The date Friday 26, May 2017 represents 2/5 of the year 2017
From the question, we understand that Ramadan starts on Friday 26, May 2017.
Using Microsoft Office Excel, this date is the 146th day of the year in 2017.
Also, 2017 has 365 days.
This is so because 2017 is not a leap year.
So, the fraction of the year is:
\(\frac{146}{365}\)
Multiply the fraction by 73/73
\(\frac{146}{365} = \frac{146}{365} \times \frac{73}{73}\)
Simplify
\(\frac{146}{365} = \frac{2}{5}\)
Hence, the fraction of the year is 2/5
Read more about fractions and proportions at:
https://brainly.com/question/21602143
The fraction of the year that corresponds to the Islamic month of fasting, Ramadan, beginning on May 26, 2017, is 2/5.
Find out how many days passed from January 1, 2017, to May 26, 2017.
January has 31 daysFebruary has 28 daysMarch has 31 daysApril has 30 daysMay has 26 daysTotal days = 31 + 28 + 31 + 30 + 26
Total days = 146 days.
The total days in regular year:
The total days = 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30 + 31
The total days = 365 days.
The required fraction is calculated as:
Fraction = 146 days / 365 days
Fraction = 2 / 5
So, the fraction is 2 / 5.
Learn more about Fraction here:
https://brainly.com/question/10708469
#SPJ3
Which method will successfully launch the Spelling and/or Grammar Checker dialog box?
Click the Review tab on the ribbon; in the Proofing group, click on the Spelling & Grammar button.
Press the F7 key on your keyboard.
Right-click a word that is marked with a spelling or grammar error, and select Spelling or Grammar from the menu list.
All the above statements are correct.
Answer:all of the above
Explanation:
I got it correct
The correct is D. All the above statements are correct which All the above statements are correct.
To check your spelling and grammar, select the Review tab and then Spelling & Grammar.
What program is used in the word to check the spelling?Spell checking is a unique function in Microsoft Word that lets you check your work for grammatical and spelling errors. A software program that detects misspelled words in a document is what spell check essentially is.
Grammar checkers are a great tool for people who aren't writers or are very technical. These apps help users become more fluent in the English language by pointing out their flaws. Your writing will be reviewed by Grammar Checker Tools to ensure that it is accurate and error-free.
Select Spelling & Grammar from the Review tab. In the event that Word discovers a potential error, the Spelling & Grammar dialog box will launch with red text for spelling mistakes and green text for grammatical mistakes.
Thus, the ideal selection is option D.
Learn more about the Spelling and/or Grammar Checker here:
https://brainly.com/question/16798012
#SPJ2
What part of the network is the point where the responsibility of the administrator ends and the telecommunications providers responsibility begins
Answer:
"PAD interface " is the correct answer.
Explanation:
PAD seems to be a concept most commonly linked with such an X.25 interface, where even the PAD splits the shared information into individual packets as well as configurations asynchronous distribution including its header information.The interface pad should be used for scrubbing polished surface areas and contour lines, in conjunction with handle abrasive particles. Use the pad GUI would also give a smoother performance. The control pad is located between some of the scrubbing disc as well as the backing pad.Professionals in the information technology career cluster have basic to advanced knowledge of computers, proficiency in using productivity software, and .
Answer:
The answer is "Internet skills ".
Explanation:
Internet skills are needed to process and analyze which others generate or download. Online communication abilities should be used to construct, recognize, and exchange info on the Web.
Creating these capabilities would enable you to feel more positive while using new technology and complete things so quickly that's why the above choice is correct.
Which feature in PowerPoint is used to correct common capitalization and text formatting issues but can also be modified for more robust and personalized corrections?
Grammar Checker
Insights
Spelling Checker
AutoCorrect
Answer:
AutoCorrect: D on edge
Explanation:
Answer:
D.AutoCorrect
Explanation:
a software function that automatically makes or suggests corrections for mistakes in spelling or grammar made while typing.: a computer feature that attempts to correct the spelling of a word as the user types it The iPad boasts an autocorrect system that will try to figure out what you mean to type even when you don't quite tap the right keys.
Telecommunications, Bridges, Power and energy, combine them to form one sentece
The combined sentence is given below
In the world today, the use of Telecommunications is acting as Bridges between the old and the new, there are new innovations in the are of Power and energy,
Describe what telecommunication is?Information is transmitted electronically over distances through telecommunications. The data could take the shape of voice calls, data, text, photos, or video. These days, telecommunications are utilized to connect relatively far-flung computer systems into networks.
Therefore, one can say that by altering sentence structure, sentence combining "smooths out" rough writing and makes a piece of writing more interesting for the reader. Simply connecting words with a conjunction such as seen above.
Learn more about Telecommunications from
https://brainly.com/question/26152499
#SPJ1
Write an algorithm and draw flowchart to print 30 terms in the following sequence
1,-2,3,-4,5,-6,7,-8,...........................up to 30 terms.
Answer:
/*
I don't know what language you're using, so I'll write it in javascript which is usually legible enough.
*/
console.log(buildSequence(30));
function buildSequence(maxVal){
maxVal = Math.abs(maxVal);
var n, list = [];
for(n = 1; n < maxVal; n++){
/*
to check for odd numbers, we only need to know if the last bit
is a 1 or 0:
*/
if(n & 1){ // <-- note the binary &, as opposed to the logical &&
list[list.length] = n;
}else{
list[list.length] = -n;
}
}
return list.implode(',');
}
what os the full form of cpu
Answer:
central processing unit
Central processing unit
Can someone please explain this issue to me..?
I signed into brainly today to start asking and answering questions, but it's not loading new questions. It's loading question from 2 weeks ago all the way back to questions from 2018.. I tried logging out and back in but that still didn't work. And when I reload it's the exact same questions. Can someone help me please??
Answer:
try going to your settings and clear the data of the app,that might help but it if it doesn't, try deleting it and then download it again
How would you describe the relationship between blocks of code and commands?
The intersection of column D and row 6 is a cell with a cell address of
Select one:
a. D:6
b. D6
c. 6:D
d. 6D
Answer:
C. 6:D
Explanation:
Answer:
6:D
Explanation:
This works for plato but as for any other testing site I am unaware of.
How many voltage values can be represented with a 10-bit binary code?
A. 128
B. 256
C. 512
D. 1024
1024 voltage values can be represented with a 10-bit binary code. Thus, option D is correct.
What is binary code?A binary code uses a two-symbol method to describe text, central processing unit instruction, and any other material. The signed binary system's "0" and "1" are frequently employed as the two signals in this system. The symbol, command, etc. is given a set of binary digits, often referred to this as bits, by the binary code.
These methods incorporate this program to comprehend operational directives and user actions and provide the user with a pertinent output. 256 distinct numerals can be represented using only 8 bits. 512 numbers can be represented with 9 bits. 1024 values can be represented by 10 bits.
Therefore, option D is the correct option.
Learn more about binary code, here:
https://brainly.com/question/28222245
#SPJ2
What is a brute force attack? What are the ways you can make it harder for someone to use crack your credentials using a brute force attack?
Explanation:
A brute attack is a method of cracking someone's password/credentials using a predefined set or list of commonly used passwords or from a database leak.
We can prevent our passwords from being brute forced by using a combination of password with no dictionary words and using many symbols and numbers with both upper and lower case characters.
How does one select an entrepreneurial activity?
Which digital communication medium consists of top-level posts with threads of response posts?.
Answer:
A discussion board
Explanation:
Im big brain like that
Explain• Explain the Inputs and tools and techniques for determine budget with an example of London eye project and burj khalifa
Answer:
Cost baseline
Project funding requirements
Project resources
Updated project documents
Explanation:
London Eye project and Burj Khalifa are two of finest projects that have been successful in the world. The main reason for their success was well defined planning and accurate budgeting. The input and tools for budgeting are formulation of resource requirements. These resources are financial and human capital which is required to complete the project. The project resources allocation is a major point of concern. Inappropriately allocated resources progress towards failure of project.
write the prototype and header for a function called compute. the function should have three parameters: an int, a double, and a long (not necessarily in that order).
The function's name is included in the header, which also provides information about the parameters and the type of data the function will return to the caller function or application. The function prototype and header are given below:
Prototype: void compute(double, int = 8, long = 56565);
Header: void compute(double x, int y, long z)
The name of the function, the function's return type, and a list of the function's parameter types make up a function prototype or declaration. A parameter name may follow a parameter type in the parameter type list, which is a list of parameter types separated by commas. The function evaluation operator is surrounded by the argument list (denoted by a pair of parentheses). Subject to the identifier conventions of C++, the programmer chooses the names of the function and its parameters.
There are two things that a function prototype and a function header have in common. A semi-colon is necessary after the function prototype and the function header needs to know the arguments. The return type on the function prototype and function header is void if a function returns nothing.
To learn more about function prototype click here:
brainly.com/question/12889542
#SPJ4
Which one of the following Python statements can be used to create the dataframe x ? Dataframe x :
A
a
NaN
b
NaN
c
NaN
alpha vantage pd. DataFrame(index =[ ' A '] , columns =[ ' a ', ' b ', ' c ' ] ) pd.DataFrame(index =[
′
a
′
,
′
', ' 'c' ], columns='A') pd.DataFrame(index =[ ' a ', ' b ', ' c ' ], columns =[
′
A
′
])
The correct statement to create the dataframe x is:
```python
x = pd.DataFrame(index=['A'], columns=['a', 'b', 'c'])
The above code uses the pandas library in Python to create a dataframe named x. The `pd.DataFrame()` function is used to create the dataframe, with the specified index and columns. The `index` parameter specifies the row labels of the dataframe, while the `columns` parameter specifies the column labels. In this case, the index is set to ['A'] and the columns are set to ['a', 'b', 'c']. The values of the dataframe are set to NaN (Not a Number) for all the cells.To create the dataframe x with the specified structure, you can use the following Python statement: `x = pd.DataFrame(index=['A'], columns=['a', 'b', 'c'])`. This statement uses the pandas library, which provides high-performance data manipulation and analysis tools. The `pd.DataFrame()` function is a constructor for creating dataframes in pandas. In this case, the `index` parameter is set to `['A']`, which specifies the row label for the dataframe. The `columns` parameter is set to `['a', 'b', 'c']`, which specifies the column labels for the dataframe. The resulting dataframe, x, will have one row labeled 'A' and three columns labeled 'a', 'b', and 'c'. All the cells in the dataframe will have NaN (Not a Number) as their values. NaN is a special floating-point value that represents missing or undefined data. It is commonly used in data analysis to indicate the absence of a value. By creating the dataframe x using the specified index and columns, you can easily access and manipulate the data stored in the dataframe for further analysis and processing. To create the dataframe x with the specified structure, you can use the statement `x = pd.DataFrame(index=['A'], columns=['a', 'b', 'c'])`. This code utilizes the pandas library to construct the dataframe, specifying the row and column labels. The resulting dataframe will have one row labeled 'A' and three columns labeled 'a', 'b', and 'c', with NaN as the value for each cell. NaN is a special value used to represent missing or undefined data. Creating the dataframe in this way allows for easy data manipulation and analysis using the pandas library.
To know more about Dataframe , Visit:
https://brainly.com/question/32136657
#SPJ11
Which device containing sensors send signals to the computer whenever light changes are detected?
A. Light pen
B. Reflectors
C. Deflector
D. All the above
Light pen is the answer to the question.
This device is an input device that is used on the computer. It is a light sensitive device that can select written words on the computer, it can draw and can also interact with other elements on the computer screen.
It is simply like the mouse. It performs similar operations like the computer mouse. It contains a photocell and a an optical cell that is placed in an object that resembles a pen.
Read more at https://brainly.com/question/13787883?referrer=searchResults
How to find duplicate characters in a string in java.
Answer:
Find duplicate characters in string
1. Split the string into character array.
2. Iterate over character array.
3. For each iteration, use character as map key and check is same character is present in map, already.
4. If map key does not exist it means the character has been encountered first time.
Explanation:
I'm just intelligent in that area of java