The Power of Upsert and External IDsHow To: Apex Code

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Assume we have these accounts with external ids populated…

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Open the Developer Console

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Open Execute Anonymous Window

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Insert a contact but rather than specify account’s id instead reference the account’s external id. Note use of the relationship field name, “account”, instead of the id field name, “accountId”.

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Contact created and linked to account,all without knowing Salesforce record IDs!