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How to prevent duplicate contact record in apex?
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How to prevent duplicate records from saving null?
You want to prevent users from saving duplicate records based on the value of one or more fields. Solution If you can determine whether a record is a duplicate based on the value of a single custom field, select the Unique and Required checkboxes on that field’s definition: To edit a custom field on a standard object: Click Setup| Customize.
When to use apex to save a record?
Additionally, Apex can execute every time a record is inserted or updated in the database, regardless of whether the database operation occurs as a result of a user clicking Savein the user interface, or as a result of a bulk upsertcall to the API. Web controls can only be triggered when a record is saved through the user interface.
How to prevent duplicate leads from being saved?
For example, the following trigger prevents leads from being saved if they have a matching Email field: The trigger first uses a map to store the updated leads with each lead’s email address as the key. The trigger then uses the set of keys in the map to query the database for any existing lead records with the same email addresses.
How to prevent the creation of duplicate accounts?
This is the trigger i have wrote to prevent the creation of duplicate accounts, i am getting an error message saying “Intial term of field expression must be a concrete SObject:LIST “. Can someone help me in scrubbing this code, so that it might work. thanks.
Where does the unique feature apply in apex?
The unique feature applies to 2 fields say A (picklist) and B (text) of object Account, (concatenated) where A is a picklist, having values 1,2,3,4 where we need only values (TEXT) 1,2,3 of A to be unique alongside (concatenated with) text field B, and not the value 4.
How to prevent duplication of Records in Salesforce?
Create a text field for a composite primary key and mark this as External Id, Unique. Create a workflow that concatenates the two values and write it to this field on everytime a record is created or updated.