What strategy can help prevent the generation of duplicate records when using a transform map?

Defining appropriate coalesce value(s) is crucial in preventing the creation of duplicate records during the data transformation process in ServiceNow. Coalescing works by specifying one or more fields that should be checked for existing records. When a new record is being inserted into the target table, the system examines the specified coalesce fields to see if a record already exists. If a match is found based on these fields, the system will update the existing record instead of creating a new one.

By carefully selecting which fields to use for coalescing, you can ensure that only unique records are created in your instance. For example, using fields like unique identifiers or business-critical fields that are not likely to change frequently will significantly reduce the chances of duplicates. This method streamlines data integrity and quality within the ServiceNow platform, allowing for more accurate reporting and data management.

In contrast, while regular audits of data sources, implementing strict user roles, and limiting network access can improve data governance and security, they do not directly address the duplication of records during the transformation process. Therefore, focusing on coalescing is the most effective strategy for this specific situation.