here are common attributes and methods between the three types of transactions. What is the best choice for designing and writing their codes? Explain your answer
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A: The dual side theory states that each business transaction impacts the business in two different…
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A: Note:- As per our guidelines, we are allowed to answer only first question of multiple questions.…
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A: As we know, in real life transaction is nothing but transfer some money, or some device, or share…
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A: Atomicity: It refers to not only a part but the integrity of the whole database transaction. That…
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A: Given: why it is important for the changes made by each of these transactions to be atomic.
Q: What is traceability? Explain different types of traceability.
A: Answer: I have given answer in the brief explanation
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A: Here is the relational algebra query:
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A: Part 1: For given ER diagram we need to create 4 tables . That are Account , Transaction, Checking…
Q: Which type of relationship represents the rule that "Each vendor supplies multiple parts to our…
A: Answer: 3) M:N
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A: Lets see the solution.
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A: Using the 15 entities listed and the business information below, what are the business rules…
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A: Step 1:- Introduction:- A crypto currency is defined as a digital asset that is designed to work…
Q: EXPLAIN THE FOLLOWING TERMS 1. Clustered index 2. Outer join between two tables 3.…
A: Explained the given terms
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A: Consider the given data :
Q: Which of the following is a property of transactions? a. Atomicity b. Durability c. Isolation d. All…
A: transaction have ACID properties means atomicity consistency isolation durability
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A: Introduction: Primary key: It is unique that is used to identify/find a row/tuple of a table.…
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A: Please find the answer to the above question below:
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Q: Explain transactions?
A: What is transaction ?? Transaction is a group of tasks and single task is a minimum processing unit…
Q: To begin, you must first create a transaction in the database. In the discussion that follows, we'll…
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Q: What are the two requirements to ensure entity integrity?
A: Entity integrity concentrate on condition that is each row in a table correspond to the single…
Q: What is the need for transactions?
A: An transaction is a unit of work that is performed against an information base. Exchanges are units…
Q: How many locking systems are there in JDBC?
A: Define the locking systems in JDBC
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A: Entity:- Student Attributes:- ST_INTIAL, ST_LNAME, ST_FNAME, ST_EMAIL, ST_PHONE
Q: Identify the characteristics of transactions a. Atomicity b. Durability c. Isolation d. All of the…
A: Please see the next step for solution.
Q: Q1: There are common attributes and methods between the three types of transactions. What is the…
A: Yes, there are common attributes and methods between three types of transactions. The factory method…
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A: EXPLANATION: 1) The main thing is that Scrooge publishes an append-only ledger. This ledger will…
Q: What is the database transaction? Could you describe how it is usually used and why? Could you…
A: SUMMARY: - Hence, we discussed all the points.
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A: The correct relational model of the entity Judge will be (C) JUDGE ( JudgeID(PK), Name,…
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Q: There are common attributes and methods between the three types of transactions. What is the best…
A: Actually, given question regarding designing..
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A: Explanation: The framework that manages transaction-oriented applications is known as an on-line…
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A: Q. Complete the Input-Process-Output CHART for the following transactions. Your answer must…
Q: What are BCNF and 3NF? How to decompose a relation into BCNF? How to decompose a relation into 3NF?
A: Let's see the solution in the next steps
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- The contact service shall be able to add contacts with a unique ID. The contact service shall be able to delete contacts per contact ID. The contact service shall be able to update contact fields per contact ID. The following fields are updatable: firstName lastName Number Address need help with this class in JavaJava OOP Write a complete address book maintenance application. The user of the program has four options: Add a new person, delete a person, modify the data of a person, and search for a person by giving the name. Use the AddressBook class, either the original one from the chapter or the modified one from the previous exercises. You have to decide how to allow the user to enter the values for a new person, display person information, and so forth.please use java to answer the following question Implement a program with a GUI and Action listener that looks like the one shown below You should connect to the database ( make sure you have maximum 5 rows in your table) The table should contain of the name, card number and the pin number of the customers who uses the ATM once you enter the card number and the pin number that exist in the database, then by clicking on the Login button, you could show a dialogue dialog box in which it shows the name of the customer and then indicates that that name is login successfully ( Mehrnaz is login successfully). Otherwise, the dialogue box indicates that the information does not exist in the database. The clear button will clear all the information on the GUI.
- Book Donation App Create a book-app directory. The app can be used to manage book donations and track donors and books. The catalog is implemented using the following classes: 1. The app should have donors-repo.js to maintain the list of donors and allow adding, updating, and deleting donors. The donor object has donorID, firstName, lastName, and email properties. This module should implement the following functions: • getDonor(donorId): returns a donor by id. • addDonor(donor): adds a donor to the list of donors; donorID should be autoassigned a random number. • updateDonor(donor): updates the donor having the matching donorID. • deleteDonor(donorID): delete the donor with donorID from the list of donors, only if they are not associated with any books. 2. The app should have books-repo.js to maintain the list of donated books and allow adding, updating, and deleting books. The book object has bookID, title, authors, and donorID properties. • donorID references the book’s donor. This…Give Authentic And Relevant Answer. Write a detail use case for “Search a Cab” function. For searching a cab, the passenger would enter his/her source and destination information and the application would list down all the available cabs in a 1km radius. If application unable to find cab within 1km radius passenger can increase the radius up to 3 km. The passenger would send pickup request to the driver and the driver would come to pick the passenger from the source address. ‘Get a Cab’ is a Smartphone application. It will search cabs for the passenger, provide them with security by reminding them about their luggage and it will also allow the user to inform the police with the help of a one-click button. This application facilitates the guardians to trace the location of their loved ones. It also lets passengers locate a driver at any instance to overcome all time related issues. If the passenger wants to avail the services of the same driver in future, he/she can add the driver to…DescriptionWe wish to build a distributed application to order and deliver groceries in this project. The grocery company has several stores, each with a list of items in specific quantities.A customer eager to order items from the application must first be registered and obtain a customer number, which will be used in all subsequent transactions. A customer checks the available items to order groceries and indicates the requested quantity for each item and a delivery address. Note that when the requested quantity for an item cannot be satisfied from a single store, the company should organise the delivery from several stores. Also, when the total available quantity of an item is less than what is ordered by the customer, a notification is sent to the latter to either adjust the quantity, cancel the item or cancel the order altogether.
- Java Programming: Create an application for Paula’s Portraits, a photography studio. The application allows users to compute the price of a photography session. Paula’s base price is $40 for an in-studio photo session with one person. The in-studio fee is $75 for a session with two or more subjects, and $95 for a session with a pet. A $90 fee is added to take photos on location instead of in the studio. Include a set of mutually exclusive check boxes to select the portrait subject and another set for the session location. Include labels as appropriate to explain the application’s functionality.Class Triangle ï A Triangle will have 3 sides. The class will be able to keep track of the number of Triangle objects created. It will also hold the total of the perimeters of all the Triangle objects created. ï It will allow a client to create a Triangle, passing in integer values for the three sides into the Triangle constructor. If the values for the sides that are passed in do not represent a valid Triangle (read below for the requirements for a Triangle to be valid) , then all sides will be set to a value of 1. The constructor should add 1 to the count of the number of Triangles created. The constructor should call a method to calculate the perimeter and then add the perimeter for that object to an accumulator. In addition to the constructor, the Triangle class must have the following methods that return a boolean value: isRight () - see note 1 below regarding Acute triangles. isAcute() - see note 1 below regarding Acute triangles. isObtuse() - see note…In Java code: Write course management program that allows professors to create course entries to the course library and student to manage course registration. Your program will present a menu with the following options: 1. Professor 1.1 creates a course 1.2 show all courses2. Student 2.1 views a course's details 2.2 enrolls in a course 2.3 drops a course 2.4 shows all enrolled courses3. Exit Follow these guidelines to define these classes 1. Professor Class Data fields: id, name, courses taught by the professor Constructors: several no-argument, multi-argument constructors Accessor methods that return the values of data fields: return name, courses Mutator methods that set the data fields, e.g, add/remove a course showCourses: list all the courses taught or created by the professor 2. Student Class Data fields: id, name, gpa, courses enrolled, etc. Constructors: several no-argument, multi-argument constructors Accessor methods that return the values of data fields:…
- Simple Student Management System Build the following app using Python Tkinter library. Using this app, user can • add student information • view all students • search student(s) by name • remove student by id Add • First name, last name, date of birth cannot be blank while adding a specific student information. • However major can be blank, which gets set to "Undefined" if left out blank. • Student Id is automatically generated by the program (ex: 1001, 1002, 1003, 1004 ….) If the user keeps a mandatory field blank (ex: First name) and presses "Add Student" button, it displays the following message box: first name is required If the user successfully enters all the necessary information and presses the "Add Student" button, it displays the following confirmation message box: student added View All When the user presses the "View All" button, it displays all the student’s information (Id, First name, Last name, Date of birth, and Major) in a nice formatted way. Example below: • Must…INSTRUCTIONS: Write a C++ script/code to do the given problem. Write a class called profileID, which has data members firstName,lastName, age, birthday and ageCompany (the age when you entered in the company). Remember to use set and get methods to access the data members this time. Also, write another class called bonusAward that has a method getBonus()with arguments yos and etype which are both integer data types. This method calculates the bonus received by an employee using this formula: yos*1000 + etype*1000. Write two derived classes, ASE and SE, using multiple inheritance usingprofileID and bonusAward as parent classes. Both classes must have amethod named getyos()that returns the yos of an employee using the formula age–ageCompany; and a method named getetype() which returns a constant based on the employee type. For ASE, the constant is 10 while for SE that constant is 20. Last, write a main program where you instantiate ASE as employee1 and SE as employee2. Get their…~Java Program ~ Write a small application with a GUI that could be the basis of a larger application. Your application will allow someone to enter a user nameand password to separate text fields. When the user clicks the Login button, you should check whether the string in the name field matches "John" and the string in the password field matches "myPassword". If both match, put the message You have been logged in on a result label. If they don't match, put the message Sorry, that password is not valid on the result label.