What is Validation Rule?
Ans - The validation Rule is used to enforce the user to provide the proper entry of data in the fields.
There are Two Types of Validation Rules -
a. Client Side Validation - Client Side Validation means to validate data on User Side.
b. Server Side Validation - Server Side Validation means to validate data on Database Side.
Always use Client Side Validation. because
a. It reduces server requests.
b. It reduces the load on Server.
c. It Improves Performance.
Salesforce provides a set of readymade functions to validate the data.
Server Side Validations can be done by using Triggers.
How to Use Validation Rules in Salesforce?
1. Go to Setup
2. Click on Object Manager ( on the navigation bar )
3. Search Object
4. Select Object
5. Click on Validation Rule
6. Click on New
7. Enter the Rule name, description, Formula, and Error Message
8. Save
