What distinguishes an open statement? Open assertions are true. Domain substitution determines an open statement's truth value. Open claims are true. NO
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- What distinguishes an open statement? Open assertions are true. Domain substitution determines an open statement's truth value. Open claims are true. NOCICK SUOITTELO COmprete uTIS Quèstion 14 Consider the following schema and answer the following questions: Users(userld: integer, userName: varchar, userCity: varchar) Comment(userld: integer, pictureld: integer, score: integer, commentText: varchar) Picture(pictureld: integer, title: varchar, description: varchar, userld: integer) a. Write the following queries in relational algebra. i. Find the username of users who are from 'Muscat'. ii. Find the IDs of pictures which scores more than 2000 likes. iii. Find IDs of pictures which descried as landscape. b. Write SQL queries for the following statements. i. Display all the picture's details in the decreasing order of their scores. ii. Count and display the number of pictures posted by each user. iii. Add the given new user's data into the Users table. userld userName userCity 2536 User2021om Muscat T TTT Paragraph Arial 3 (12pt) v = - = - T T lili 5.ObjectiveTo develop a simple database application using modern programming tools.ToolsStudents can choose either one of the programming languages C++, C#, Java, and Python as their main development platform. They can also choose either one of the database management systems SQLite, MySQL, PostgreSQL, and Microsoft SQL Server.GuidelinesEach student should agree to work with one student from the class as a teammate. Otherwise, the student works alone and gets penalized by getting at most 75% of the project grade. Teams should work independently toward the same project goal. Each team has to prepare a report presenting all the details about the work done and the job division. The number of pages should not pass twenty.Description of the ProjectThe project is to develop a simple university management system. The application should let three different kinds of users to work, namely, the student, the instructor, and the faculty coordinator. Users should have the following functionalities in…
- - Post-condition: tel after the operation is the same as tel before the operation with the addition of maplet {name? → phone?} . - Appending a ' to a variable means 'the variable after the operation is performed'. - EXERCISE. Rewrite this schema to get rid of post-condition, and allow overwriting of existing names.Create a MySQL stored procedure to validate an attempt to create a new submission. The stored procedure should have parameters for the user, the user’s password, the id of the problem, the programming language (as a varchar), and the source code. An output parameter returns the result of the submission, which is one of the strings that can return or “Bad Parameters”, which handles cases such as incorrect password for the user, or the attempt to submit using a language that the program does not support (e.g., Malbolge or Visual Basic). The stored procedure can simulate the program judging process: if there is no Bad Parameters error, then randomly choose between Accepted, Wrong Answer, Time Limit Exceeded, and Run Time Error with equal probability. The submission should gets recorded in the database.What is the optimal number of fields for a single form that is used to seek information, and why?
- Create a role and a user. Assign the role to the user. The role must be assignwith all the admin privileges. Then drop the user and the role both in ADBMSHow to decide if your variable should be declared as an enum type or any other data types? Support your answer with examples. plz avoid copied answers, my assignment will be submitted through turnitin and plagiarism will be detected.Qusstion is attached please need answer.
- A ride-sharing app’s discount system for riders is configured such that a ride discount is triggered only if at least two RiderIDs book a ride in the same CarID at the same time. Which of the following is true of the relationship RideDiscount-is-Applicable? The relationship maximum is One-Two. The relationship minimum is Many-One. The relationship minimum is Two-One. The relationship minimum is One-Two.Question 9 A use case description is generic with few details. For this reason it does not contain numbered steps and alternatives to those steps. That is the kind of information contained in a user story. True False Question 10 Which git command would you use to update a remote repository with the current changes made in a local repository? pull clone commit add None of the above Question 11 The UML symbol to show composition/aggregation is a diamond. The diamond should be attached to the containing class contained class fat headed arrow center of a dashed lineOverview: A new bank wants to make a simple application to keep track of all accounts and transactions. In this TMA, it is required to help the bank manager implement the required application. Requirements: After a quick meeting with the bank manager, you got the following information: It is required to store all bank accounts in one collection and all the transactions happened in another collection. Each account has a unique account number, a holder and balance. There is a specific prefix (common for all accounts) that should be added to the holder's civil id to create the unique account number. In addition, it is not allowed for a holder to have more than one account. Furthermore, only three transactions are allowed on any account: deposit, withdrawal and transfer money to another account. Each holder has a unique civil ID (national id), a name and other attributes (add at least 2 attributes from your choice). For each transaction, it is required to store the account(s) affected,…