Object Based Databases Homework Help

An object database (also known as object-oriented database management system) is really a database management system in which information is represented in the form of objects as used in object-oriented programming. Object databases are different from relational database and belongs together to the broader database management system.

Features of Object Based Databases

• Similar objects can be classified to classes and sub classes.
• Objects in Object Based Databases communicate with each other by using messages.
• Structure and data of objects are encapsulated.

Advantages of Object Based Databases

• Extensibility
• Support for schema evolution
• Capable of handling a large variety of data types
• More expressive query language
• Support for long-duration, transactions
• Removal of impedance mismatch

Disadvantages of Object Based Databases

• Complexity
• Lack of experience
• Lack of universal data model
• object-oriented database management system do not provide adequate security mechanisms.