Force.com is a object-oriented relational database system. An object is the background of any application built on Force.com. The simplest definition of the object is the database table. It is a container to store data on Force.com and also gives you options to create UI for entering, modifying, or deleting records.
Force.com doesn't give the option to create database tables using code. For creating a table we need to define the object using the UI. With a new custom object we can directly choose to allow activities to the object or we can choose to add notes and attachments to the object. On choosing these options, Force.com automatically creates the UI for adding activities or adding notes.
There are two different types of objects on ...