What is the purpose of a primary key in an object-oriented database?
Which of the following is true about object-oriented databases?
What is an object in the context of an object-oriented database?
An object-oriented database is often compared to a traditional database, which is based on the relational data model.
In object-oriented databases, data is organized into .
In an object-oriented database, data is represented as .
Encapsulation
Class
Object-oriented databases use to perform operations on objects.
Object-oriented databases are often used for applications that require complex data modeling, such as applications and scientific research.
Aggregation
Object-oriented databases employ definitions to define the structure and behavior of objects.
In an object-oriented database, queries are typically expressed using a that is specifically designed for working with object-oriented data.
Object-oriented databases generally provide a high degree of and can easily accommodate changes in the data model.
Polymorphism
An object in an object-oriented database can contain both and the [[methods]] that operate on that data.
Which of the following is a disadvantage of object-oriented databases?
Object-oriented databases typically provide support for , which means that the data and methods associated with an object are kept together as a single entity.
One advantage of object-oriented databases is their ability to handle complex between data.
