What Is the Use of Type in Oracle

The %TYPE attribute lets use the datatype of a field, record, nested table, database column, or variable in your own declarations, rather than hardcoding the type names. You can use the %TYPE attribute as a datatype specifier when declaring constants, variables, fields, and parameters.

What is a type in Oracle?

Oracle object types are user-defined types that make it possible to model real-world entities such as customers and purchase orders as objects in the database. … New object types can be created from any built-in database types and any previously created object types, object references, and collection types.

What is type in Oracle with example?

For example, an object type can represent a student, bank account, computer screen, rational number, or data structure such as a queue, stack, or list. Currently, you cannot define object types in a PL/SQL block, subprogram, or package. You can define them interactively in SQL*Plus using the SQL statement CREATE TYPE .