Collection Object types:

Collection Datatypes are same to arrays and they can contain multiple values inside a single column.

Object Types

Object types are abstractions of the real-world entities. It consists of three elements.

• To identify the object Name is used.
• The characteristics of an object are Attributes.
• Methods or behaviors that are functions or procedures which are written and stored in the database.

Object types are just templates of an object. The data unit which matches the template is known as an object.  Object types can be:

• Single Row Object type
• Multiple - Row Object type