PDI Exam Dumps | A developer is integrating with a legacy on-premise SQL database. What should the developer use to ensure

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Question 21/93

A developer is integrating with a legacy on-premise SQL database.
What should the developer use to ensure the data being integrated is matched to the right records in Salesforce?

A. External Object

B. External ID field

C. Formula field

D. Lookup field

Correct Answer: B

* An External ID field is used to match data in Salesforce with data from external systems (like an on- premise SQL database). It allows for easy upserts and data integration without relying on Salesforce IDs.
Why not other options?
* A: External objects are used for real-time integration with external systems but do not address data matching directly.
* C: Formula fields are calculated fields and cannot be used for data matching.
* D: Lookup fields are used for creating relationships between objects within Salesforce, not for matching external data.

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