Checklist progress
0/215Learned
Platform Administrator II
Study Checklist
Checklist progress
0/215Learned
Explain the tools and best practices for assessing, improving, and enriching data quality
0/9
Given a scenario, determine the appropriate analytic tools to meet complex reporting requirements
0/9
Understand methods to connect to, access, backup/restore, or archive data outside of the Salesforce Platform
0/7
Given a scenario, identify the appropriate tools and methods for importing data into Salesforce
0/4
Data Import Wizard versus Data Loader
Learn this conceptData Import Wizard matching options
Learn this conceptExternal ID matching for upserts
Learn this conceptRelating imported records with External IDs
Learn this conceptPrepare for the Exam
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An External ID is a custom field marked with the External ID attribute so it can store the unique identifier a record already has in another system. In the Data Import Wizard, those values let Salesforce find a record that is already in the org instead of creating a duplicate, and they let you attach an imported row to the right lookup or master-detail parent. That is how you load related records using the other system's IDs instead of Salesforce record IDs.