This question runs in a pre-configured Salesforce environment - no personal connection required.
Create a method that deletes all Contact records in a specific Department using DML operations.
Parameters:
department(String): The Department of contacts to delete
Returns:
Integer: The number of contacts deleted, or 0 if none found
Requirements:
- Use DML delete operation
- Handle null or empty department by returning 0
- Query contacts by Department before deleting
- Handle DML exceptions gracefully
Example:
Integer deletedCount = deleteContactsByDepartment('Sales');
// Returns: 3 (number of deleted contacts)
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