Lookup Relationship in Salesforce

Lookup Relationship in Salesforce:

• (a) Independence: The linked objects are independent. Deleting one record does not directly affect the other.
• (b) Optional: The lookup field can be left empty; it is not mandatory to link records.
• (c) Security and Sharing: The security and sharing settings for the related objects are independent.

1. Go to Setup and navigate to the Object Manager.
2. Choose the object where you want to add the lookup field.
3. Go to the Fields & Relationships section and click "New."
4. Select "Lookup Relationship" and click "Next."
5. Choose the object you want to link to and follow the on-screen instructions.
6. Configure the field label, name, and other settings.
7. Set layout and page settings as needed, then save.