Apex trigger on Account to avoid creation of duplicate record if the account with same phone exists in the system in Salesforce | Write a trigger on Account to Prevent the user to create duplicate Account based on Phone if Phone number is already exist in Salesforce

Create Apex Trigger →

checkDuplicationPhoneAccTrigger.apxt [Apex Trigger]

How do you prevent creating duplicate records in Salesforce using trigger?

How can you prevent duplicate leads from being created?

What is matching rule and duplicate rule in Salesforce?

Final Output → Get source code live demo..

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