Identify some of the objects that you would expect to find in an object-oriented database used to maintain records of a library's holdings. What methods would you expect to find within each of these objects?
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- Describe the concept of object-relational mapping (ORM) and how it relates to object serialization.There are two distinct sorts of objects, which are known as databases and repositories. Is there a material difference between these two possibilities?Clarify what is “data hiding" and its purpose in the Object Oriented Programming аpproach.
- To what extent does Database stand out as a programming language? Please provide me an illustration of your point to assist me grasp it.Explain the concept of versioning in object serialization and how it can impact backward and forward compatibility of serialized data.A database has been designed to display a list of popular movies and also a list of actors acting in these movies. The relationship that would exist between the related tables would be: O many to many one to many O many to one O one to one
- Computer science is an academic discipline. What is the difference between a distributed database and a multi-user database, and how are they different?What is object serialization in the context of programming? How does it enable the persistence of objects, and what are some common use cases for object serialization?Module 01 Introduction to Database Management Currently, the class price and other fees reside in the Registration table. If Pitt Fitness practices dynamic pricing (the management changes the prices as the classes fill up as the airlines do), should they put the class price in the Classes table? Why or why not?Entities:1. Classes (ClassID, ClassName, Room, Location, LengthofTime, MaxSize, TypeofClass, Day, Time, Description)2. ClassInstructors (ClassID, InstructorID)3. Customers (CustomerID, LastName, FirstName, StreetAddress, City, State, ZipCode, EmailAddress, PhoneNumber, BirthDate)4. Instructors (InstructorID, InstructorLastName, InstructorFirstName, InstructorStreetAddress, InstructorCity, InstructorState, InstructorZipCode, InstructorEmailAddress, InstructorPhoneNumber)5. Reservations (ReservationID, ClassID, ClassDate, ClassPrice, OtherFees, CustomerID)
- Explain the concept of abstract data types. How do they differ from traditional or base data types? What is the relationship between a type and a class in OO systems?Scripts and stored procedures are two distinct types of objects. In what manners do they exhibit differences from each other? Each of them engages in different activities. Is it more advantageous to utilize a database for the installation of Stored Procedures as opposed to employing an alternative method?What aspects of programming in other languages are analogous to database programming, and what sets the two apart? In what specific ways can the objects you refer to be illustrated by the examples you provide?