preventing multiple applications from obtaining copies of the same record when the record is about to be changed is called:
Answers
Resource locking is the process of preventing several programmes from accessing copies of the same record when the record is about to be altered.
What is resource locking ?Resource locking is a technique used to ensure that only one application or process can access a particular resource (such as a record in a database) at a time. This is important in situations where multiple applications may be trying to access the same resource simultaneously, as it prevents multiple copies of the resource from being created or modified at the same time, which can lead to conflicts and errors.There are several different ways to implement resource locking, including using locks, semaphores, and other synchronization mechanisms. The specific technique used will depend on the needs of the application and the environment in which it is running.To learn more about semaphores refer :
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Related Questions
Sandra has composed a draft of her essay in Microsoft Word. She now wants to revise the essay. Which tool can she use to store the document with a different name and makes changes in the new document?
Answers
Answer:
she can use Ctrl S then open it again
Explanation:
i hope this helps and please mark as brainliest
Aliaa and Zhang Li are tennis-playing robots. Aliaa is 715\,\text{cm}715cm715, start text, c, m, end text from Zhang Li and 2{,}200\,\text{cm}2,200cm2, comma, 200, start text, c, m, end text from the far corner. Zhang Li measures an 91\degree91°91, degree angle between Aliaa and the far corner, as shown.
From Aliaa's viewpoint, what is the angle between Zhang Li and the far corner?
Do not round during your calculations. Round your final answer to the nearest degree.
Answers
Answer:
70
Explanation:
Law of Sines.
sin(91)/12 = sin(x)/715
x=19
180-91-19=70
what does this mean PLEASE?
Answers
Answer:
the controls of which you're your suppose to use or where your suppose to put it
Explanation:
because i'm not sure what you're your showing me
Miguel, your system administrator, warns you of a new virus threat. This particular virus changes forms to avoid detection by antivirus software. What type of virus is it?
Answers
Answer:
I think it is Polymorphic virus.
Objective:
The objective of this assignment is to get more experience in SQL and Relational Databases. Basically, you will design, create, and write SQL queries using MySQL DBMS.
data given in the three files. Make sure to identify primary keys and foreign keys as appropriate.
Load the data from the given data files into the database tables. In MySQL you can load data using the following syntax (assuming the file is directly on your c drive):
mysql>load data infile 'c:/location.csv'
>into table Location
>fields terminated by ',' Requirements:
In this assignment, you are asked to design and create a Weather database that includes weather reports on wind and temperature that were collected eight different stations.
Creating the database and importing data:
The data to be loaded in the database is provided to you in three CSV files. You will use the following 3 files, located in D2L (location.csv,temperature.csv, and wind.csv), for this Assignment. Open each file and familiarize yourself with the data format. The data in these files is interpreted as follows:
location.csv: station name, latitude, longitude
wind.csv: station name, year, month, wind speed
temperature.csv: station name, year, month, temperature
Create database tables to hold the
>lines terminated by '\n';
If you get an error from MySQL that the file cannot be read, you can change the file permissions as follows: browse to the directory including the file using the file browser, right click on file name, choose ‘Properties’ and make sure all permissions are set to be ‘Read and Write’.
SQL Queries:
For each question below, write one or more SQL query to find the required output.
Produce a list of station name, year, month, wind speed, temperature.
For each station, find the total number of valid wind reports and the total number of valid temperature reports. (Note: do not count NULL as a valid report).
For each station, find the total number of wind reports and the total number of temperature reports in each year. From the output, identify stations that did not report a valid reading every month.
Find how many wind speed reports are collected in each month? How many temperature reports are collected each month?
For each station, find the first year at which the station started to report wind speeds and the first year at which the station started to report temperature readings.
Find the coldest and hottest temperatures for each station.
What is the maximum and minimum temperatures reported in 2000? What are the stations that reported these maximum and minimum temperatures?
What is the average wind speed at 90-degree latitude? (Note: do not look at the data to find what stations are located at 90-degree latitude, however, you have to use 90 in your query)
The name of the weather station at the South Pole is called Clean Air, because very little man-made pollution can be found there. Find out what temperatures were recorded at the South Pole such that the output is sorted by temperatures. When is it Summer and when it is winter in South pole?
For each station, find the maximum, minimum, and average temperature reported in a certain month of the year. Comment on when do you think it is summer and when it is winter for each station.
See below on what to submit:
What to submit:
Submit only one .sql script (file) that includes SQL statements to:
create the database
create the tables
load tables with data
answers to all the 10 queries.
whenever needed, write a comment with each query to answer the question asked on the output of that query.
Make sure that your scripts runs on MySQL without giving any errors. You can test your script on MySQL as follows:
Write all your sql commands in a file and save with extensions ‘.sql’ (e.g, SQL_and_Advanced_SQL.sql)
Assume, you saved your sql script under the directory ‘c:/ICS311/homework,’. Then you can run the script using the following command:
mysql> source c:/ICS311/homework/SQL_and_Advanced_SQL.sql
Answers
To complete the assignment, you need to design and create a Weather database using MySQL. The database will store weather reports from eight different stations, including information on wind speed and temperature. You should load the data from the provided CSV files into the respective tables in the database. Then, you'll need to write SQL queries to perform various tasks such as retrieving station information, counting valid reports, finding extremes, and analyzing seasonal patterns. The SQL script should include the database creation, table creation, data loading, and answers to all the queries.
To start the assignment, you'll create the database and tables to hold the weather data. The database will consist of tables such as "Location," "Wind," and "Temperature," with appropriate columns to store the relevant information. You'll load the data from the CSV files into these tables using the LOAD DATA INFILE statement in MySQL.
Next, you'll write SQL queries to address each of the given requirements. These queries will involve retrieving specific data from the tables, performing calculations, and filtering based on conditions. For example, you'll produce a list of station names, years, months, wind speeds, and temperatures by combining information from the different tables.
To count the number of valid wind and temperature reports for each station, you'll use aggregate functions such as COUNT and exclude NULL values. Similarly, you'll determine the total number of reports in each year and identify stations that didn't report valid readings every month.
To analyze the monthly reports, you'll calculate the count of wind speed and temperature reports collected in each month separately. This will give you insights into the data distribution throughout the year.
You'll also find the first year when each station started reporting wind speeds and temperature readings. This can be achieved by selecting the minimum year for each station from the corresponding tables.
To identify the coldest and hottest temperatures reported for each station, you'll use aggregate functions like MAX and MIN, grouping the results by station. Furthermore, you'll determine the maximum and minimum temperatures reported in the year 2000 and find the corresponding stations.
For the average wind speed at the latitude of 90 degrees, you'll query the appropriate latitude value from the Location table and use it to calculate the average wind speed.
Lastly, you'll focus on the weather station at the South Pole called "Clean Air" and retrieve the recorded temperatures sorted in ascending order. This will allow you to determine the seasons in the South Pole based on the temperature patterns.
Ensure your SQL script includes comments for each query, providing explanations for the expected output of that particular query. Once you have completed the script, you can execute it in MySQL using the "source" command to test its functionality.
Overall, this assignment will provide you with hands-on experience in designing a relational database, loading data, and writing SQL queries to extract meaningful insights from the weather data.
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in a network database, nodes may have a many-to-many relationship. group of answer choices true false
Answers
The statement "in a network database, nodes may have a many-to-many relationship" is false.
What is a network database?A database that is organized based on record ownership, allowing records to have numerous owners and thus offering multiple access paths to the data.
A hierarchical database is a type of data architecture in which data is kept in records and structured into a tree-like parent-child structure, with one parent node having several child nodes linked together. File systems and geographic data are the two principal applications of hierarchical structure in modern computing.
Therefore, the statement is false.
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Quick!
who can solve this?
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:}
:}
Answers
Answer:
1.server
2.container
3.empty
4.lead
5.body
6.conttribute
i just know this much
sry
Summarize the differences between the four primary legal protections that can be used to secure one’s intellectual property: copyrights, trademarks, patents, and trade secret laws. Describe what someone has to do to secure these protections, and what can be done if another individual or business violates these protections.
Answers
The differences between the four primary legal protections that can be used to secure one’s intellectual property:
The expression of literary or artistic work is protected by copyright. Protection instantly emerges, granting the proprietor the only authority to manage reproduction or adaption. A trademark is a distinguishing indication that is used to set one company's goods or services apart from those of other companies.
Industrial property, copyright, and neighboring rights are the two categories of intellectual property. Patents, trademarks, other marks, geographic indications, utility models, industrial designs, integrated circuit topographies, and trade secrets are all examples of industrial property.
What distinguishes real estate rights from intellectual property rights?The term "intellectual property rights" (IPR) refers to the legal privileges granted to the inventor or creator to safeguard their work for a predetermined amount of time. These legal rights allow the inventor or creator, or his assignee, the only right to fully exploit their idea or creativity for a specific amount of time.
However, the most obvious distinction between intellectual property and other types of property is that the former is intangible, meaning that it cannot be described or recognized by its own physical characteristics. To be protected, it must be expressed in a clear manner.
Therefore, Understanding how patents, trademarks, copyrights, and trade secrets function and are created is essential to learning how to protect these valuable firm assets.
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Answer:
Copyrights, trademarks, patents, and trade secret laws are legal protections for intellectual property. Copyrights protect original works of authorship and are automatically secured upon creation. Trademarks protect logos and other symbols that identify a brand, and can be secured through registration. Patents protect inventions and require application with the US Patent and Trademark Office. Trade secret laws protect confidential business information and are secured by keeping the information secret. If these protections are violated, legal action can be taken, such as a lawsuit, to seek damages and stop the infringement.
What is functional strength training on apple watch.
Answers
Answer:
As of my knowledge cutoff in September 2021, Apple Watch does not have a specific built-in feature or workout mode called "functional strength training." However, Apple Watch does offer various fitness features and workout modes that can be utilized for functional strength training.
Functional strength training focuses on exercises that mimic real-life movements and improve your ability to perform everyday activities. It aims to enhance overall strength, stability, mobility, and coordination. While Apple Watch doesn't have a dedicated mode for functional strength training, you can still track your workouts using the available features.
Apple Watch offers the Workout app, which includes a range of workout modes such as Strength Training, HIIT, Core Training, and more. You can use these modes to track your functional strength training sessions by selecting the most relevant option based on the exercises you perform. For example, you can use the Strength Training mode to monitor your workout and get metrics like heart rate, calories burned, and duration.
Additionally, Apple Watch has built-in sensors that track your heart rate, movement, and activity throughout the day. These sensors can provide insights into your overall activity level and calorie expenditure, helping you monitor your progress and set fitness goals.
Remember that while Apple Watch can provide useful data and tracking for your workouts, it's important to consult with a fitness professional to develop a well-rounded functional strength training routine that suits your specific needs and goals.
Explanation:
Define the terms data and information ??
Answers
Answer:
Data is an individual unit that contains raw materials which do not carry any specific meaning. Information is a group of data that collectively carries a logical meaning. Data doesn't depend on information. Information depends on data. It is measured in bits and bytes.
state 5 functions of an operating system
Answers
Answer:
Memory Management.
Processor Management.
Device Management.
File Management.
Security.
Explanation:
hope this helps mate.
Answer:
manages computer hardware. manages software resorces. provides common services for computer programs. scheduling tasks. running/opening processes/programs.
Explanation:
ILL GIVE BRAINLIEST TO FIRST ANSWER David is adopting an iOS app from a non-retina screen to a retina screen. The app currently works at a pixel density of 150DPI, what density should it be on a retina screen to maintain its apparent size?
Answers
Answer: what density should it be on a retina screen to maintain its apparent size?
the most powerful computers, , can evaluate complex data very quickly. many of these computers in the united states are owned by the government or major research institutions and can cost $1 million dollars or more.
Answers
The most powerful computers, supercomputers, can evaluate complex data very quickly. Many of these computers in the United States are owned by the government or major research institutions and can cost $1 million dollars or more.
What is a computer?A computer can be defined as an electronic device that is designed and developed to receive data in its raw form as an input and processes these data through the central processing unit (CPU) into an output (information) that could be seen and used by an end user.
What is a supercomputer?A supercomputer simply refers to one of the most powerful computers that is designed and developed for handling, evaluating, and solving very complicated problems or tasks. Additionally, supercomputers have the ability to carry out trillions of calculations per second.
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Complete Question:
The most powerful computers, _____, can evaluate complex data very quickly. Many of these computers in the United States are owned by the government or major research institutions and can cost $1 million dollars or more.
Pls help me!! I will give 35 points and mark brainliest !!!
Answers
Answer:I don’t see anything I’m so confused
Explanation:
After spending a year in India, Giovanna returns home to the United States and is inspired to raise money to help her new friends build a school. She makes a pitch to the Rotary Club in her hometown. This was the best experience of my life. Not only did I get to learn about a new culture and explore new ideas, but I am learning to speak their language. But don't just take my word for it. I've asked the children to join us today from India through web-conferencing, and they'd like to say a few words. Giovanna is using digital communications in a civic-minded way to improve the conditions of people in other countries. demonstrate the language of the children of India. increase her chances of getting into a top-notch college. do away with the digital divide
Answers
Answer: A) Improve the conditions of people in other countries. :)
Children’s toymaker AlgosRUs is creating a stacking puzzle where n oddly shaped discs need to be placed on k pegs, and has employed you to help with the task. Each disc can either be placed directly on a peg or must be placed on top of another disc that is strictly larger than it in all directions. Your task is to decide whether n given shapes can be assembled into k "stacks" to be placed on the pegs
Answers
In the given problem, children’s toymaker AlgosRUs is creating a stacking puzzle where n oddly shaped discs need to be placed on k pegs, and has employed you to help with the task.
Each disc can either be placed directly on a peg or must be placed on top of another disc that is strictly larger than it in all directions. Your task is to decide whether n given shapes can be assembled into k "stacks" to be placed on the pegs.A stacking puzzle is a classic problem that involves placing various discs with different diameters onto a set of pegs. However, there is a twist: a smaller disc must always be on top of a larger disc.
A simple algorithm to solve this problem is to perform a recursive backtracking search, but it will have a time complexity of O(2^n). Here is a method to solve the problem with dynamic programming. Using a two-dimensional matrix DP[n+1][k+1], where DP[i][j] represents the minimum number of steps to solve the problem with i discs and j pegs, we can initialize the base cases as DP[1][i]=1, DP[i][1]=i and DP[i][j]=inf.
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A new network switch connects users to a network at an organization. The switch connects computers and voice over IP (VoIP) phones. A user states that the phones do not work. What solution can be added to enable the phones
Answers
There could be several potential reasons why the phones are not working, but assuming that the phones were previously functioning correctly, one possible solution to enable the phones is to check the configuration of the new network switch.
Here are some steps that can be taken to troubleshoot and potentially resolve the issue:Verify that the phones are properly connected to the new network switch. Check that the Ethernet cables are plugged into the correct ports on the switch and that they are securely connected.Check the switch configuration to ensure that the ports that the phones are connected to are configured properly. Make sure that the VLAN (Virtual Local Area Network) settings are correct, and that the switch ports are configured for the appropriate speed and duplex settings.If the switch is configured for Power over Ethernet (PoE), make sure that the phones are receiving power from the switch.
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Is brainly allowed because you don't Really learn from this..?
Answers
Explanation:
I don't know it's some time good and some times bad
Answer:
i bet ur like that one kid who tells the teacher that she forgot to collect the homework even tho u aint even do it
True or False
Explanation:
which feature of windows 10 establishes a persistent virtual private network (vpn) connection when there is internet connectivity?
Answers
The feature of Windows 10 that establishes a persistent VPN connection when there is internet connectivity is called Always On VPN.
This feature allows users to automatically connect to a VPN server when their device is connected to the internet, ensuring that their network traffic is always secured.
Always On VPN uses the Windows Remote Access (RAS) platform to establish the connection and supports various VPN protocols such as Secure Socket Tunneling Protocol (SSTP), Internet Protocol Security (IPsec), and Point-to-Point Tunneling Protocol (PPTP).
The feature also provides granular control over network traffic, allowing administrators to define access policies and rules for specific users and applications.
Overall, Always On VPN is a convenient and secure way to ensure that your network traffic is always protected, even when you are not actively using the VPN.
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You've just received an email message that indicates a new serious malicious code threat is spreading across the internet. The message contains detailed information about the threat, its source code, and the damage it can inflict. The message states that you can easily detect whether or not you have already been a victim of this threat by the presence of three files in the \Windows\System32 folder. As a countermeasure, the message suggests that you delete these three files from your system to prevent the code from spreading further.
Required:
Based on the email message, what are the next BEST actions to complete?
Answers
Answer:
The next BEST actions to complete could either be to call 911 or just drive somewhere further from your computer and where you live because the threat might come to your place, or it might already be in your place.
Explanation:
why did flash player die
Answers
Answer:
The cause of Flash's death was multifaceted. But it didn't die a natural peaceful death. In a sense, Flash was euthanized by the tech community that helped create it because it was a permanent security risk.
Explanation:
Complete the sentence to state a fact about procedural programming.
Another name for procedural programming Is
Answers
Answer:
Procedural programming is also referred to as imperative programming. Procedural programming languages are also known as top-down languages.
Answer:
imperative programming
Explanation:
Why is the lack of a sense of humor a serious limitation for AI?
Answers
Answer:
they arent made to Express emotion? can you be a little more specific with the question?
Which type of software enables team members to store, share, and work together on different files?
A)Content management software
B)Task management software
C)Communication software
D)Geographic information system
Answers
Answer:
Explanation:
The type of software program that permits crew participants to store, percentage, and work collectively on unique documents is content management control software program. The correct option is A.
Content control software affords a centralized platform wherein crew participants can store, prepare, and collaborate on diverse sorts of files which includes documents, spreadsheets, presentations, and media files.
It allows multiple users to access and edit documents simultaneously, presenting version control and tracking adjustments.
Additionally, content material management software regularly includes features like record sharing, commenting, notifications, and workflow management, which facilitate seamless collaboration and enhance productiveness within a crew.
Examples of popular content control software include Microsoft SharePoint, Drive, and Dropbox.
Thus, the correct option is A.
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What is a search engine?
A) A program to build websites and web pages
B) A system that locates information on the World Wide Web.
C) The way people interact with the internet
D) The way e-mail is located and delivered
Answers
Taking a business online can involve many different steps. When starting out, which activity could be a part of this process?
A
Sending flyers with your web address to customers
B
Creating a business listing in online local directories
C
Increasing print and billboard advertising
Building a team of digital advertising experts
Answers
Answer:
I think it's building a team of digital advertising experts
Explanation:
if you build a team that has good knowledge and enough experience in digital advertising, they will help spread you business in no time as the world begins using more and more of the Internet and social media
WILL MARK BRAINLIEST ONLY ANSWER LAST PART
Create a concept for a new social media service based on new technologies. The service must include functions or features that require using rich media and geolocation or some other location-sharing technology that you have researched.
Submit your plan using both text and visual elements (graphics or drawings).
These are some key points you need to cover in your concept document:
What type of social media service is it?
What is the purpose of the service?
List the functions that the service provides.
List the features that the service provides
What makes the service unique?
Who is the target audience?
What type of layout did you use for the service?
Answers
The concept for a new social media service based on new technologies that i would love to introduce the act of celebrating our social media followers on their birthdays by sending them emails or text offline.
How is the changing technology important for media?The use of technology by mass media users is one that has changed a lot in course of the years and it is still changing.
The use of changing technology or tools can help the media to reach a lot of people and one can get more customers.
Conclusively The use of Email automatic services or messages to target audience such as people between the ages of 18- 50 to celebrate our social media followers can help us to have more customer base as customers often value when they are been celebrated.
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a arp maps ip addresses into physical addresses b icmp assigns an ip address to a device when is starts c dhcp is a protocol that provides troubleshooting, control and error message services. d none of the above
Answers
The correct option is: d) none of the above.
ARP (Address Resolution Protocol) maps MAC addresses to IP addresses, not physical addresses. ICMP (Internet Control Message Protocol) does not assign IP addresses to devices. It is used for error reporting and diagnostic functions.
ARP (Address Resolution Protocol) is incorrect, as it maps IP addresses to MAC (Media Access Control) addresses, not physical addresses. DHCP (Dynamic Host Configuration Protocol) is correct, as it assigns an IP address to a device when it starts, allowing devices to join a network automatically.
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What are the advantages and disadvantages of E learning.
Answers
Answer:
E LEARNING.This is the effective teaching and learning by using electronic media.Advantages.Reduce travveling costs and time to and from school.Learner can study whenever they access computer and internet.Self paced learning models.Class works can be schedule around personal and professional work,resulting in flexibility learning.Disadvantages.Student may feel isolated or miss social interractions.Un motivated learners or those with poor study habits may fall behind .Instruxtions may not be available on demand.hope it helps.
professional graphic artists would use blank______ programs, also called page layout programs to create documents such as brochures, newsletters, newspapers, and textbooks.
Answers
Professional graphic artists would use page layout programs, also known as desktop publishing (DTP) programs, to create documents such as brochures, newsletters, newspapers, and textbooks.
Page layout programs, or desktop publishing programs, are specialized software designed for creating and designing printed materials. These programs provide a range of tools and features that allow graphic artists to create visually appealing and professionally formatted documents. They offer precise control over page layout, typography, graphics placement, and other design elements.
With page layout programs, graphic artists can import and manipulate images, adjust text formatting, create columns and grids, apply color schemes, and arrange content in a visually pleasing manner. These programs often include templates and pre-designed layouts to assist in creating various types of documents, making it easier for graphic artists to achieve a polished and professional look.
By using page layout programs, professional graphic artists can unleash their creativity and produce high-quality designs for brochures, newsletters, newspapers, textbooks, and other printed materials. These programs provide the necessary tools and flexibility to bring their artistic vision to life while ensuring that the final documents meet industry standards for design and layout.
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