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(B) Audit Fields
(C) Custom Fields
Standard Field:
Name:
Name is a standard field in an object this gets created at the time of the creation of the object.
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Standard and Audit fields cannot be edited or deleted.
Audit Field:
Record Id:
A record id can help you identify a record in the database. Each record has a unique id which is known as the record id. It is system generated and cannot be edited or deleted.
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This field contains the instance prefixfor which the record is created.
Owner:
Objects have an owner Id field that is a reference to the user who owns that objectrecord. Ownership is an important concept that affects the security model and has other implications throughout the system. Any user can query the owner field for any record they can access.
Created By:
Created by field is a built-in (non-custom) audit field that is used to record which user created a record. You cannot update that field once the record is createdThis is the reference to the user who created that record.
Created On:
Created on is a field where date refers to the last time a document or media file was created. You can not update that field once This field has a date and time at which the record is created.
Last Modified by:
The date and timestamp for changes made to an individual record, including This is the reference to the user who made the change. Last modified by is not updatablemodified the record last time.
Last Modified On:
The last modified date refers to the last time a document or media file was modified. This information is gathered from metadata within the document or from the website's servers.
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Is Manageable is a Boolean field of metadata object that is used to make an object is managed or
un-managed.
Custom Field:
Custom fields can be created on standard or custom objects. they may or may not be required.
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