About Model

The entire Database related transactions in OAF pages will be taken care by the MODEL.

• Model is where the application implements business logic.
• Model will implement all the Data Base transactions.
• Model component is implemented using BC4J where BC4J is Business Component for Java.
• BC4J consists of three components:
  • • Entity Object and Entity Associations
    • View Objects and View Links
    • Application Module

Model contains six components including BC4J components, additionally, the other three components are:

• • • Callable Statement
    • Prepare Statement
    • OADB Transactions

Callable statement is used to call a PL/SQL statements, Prepare statements are used if we are using single SELECT statement, and OADB transactions will take care of Oracle APPS related Data Base transactions.