external-id-strategy
Use this skill when designing, selecting, or troubleshooting external ID fields on Salesforce objects for upsert operations, cross-system record correlation, or idempotent data loads. Trigger keywords: external ID field design, upsert key strategy, cross-system record matching, source system ID mapping, composite key for uniqueness, duplicate insert on upsert, relationship resolution by external ID. NOT for data migration steps (use data-migration-planning), NOT for REST API upsert endpoint wiring (use rest-api-patterns), NOT for general data model field decisions (use data-model-design-patterns).
Installation and usage
Use this skill when designing, selecting, or troubleshooting external ID fields on Salesforce objects for upsert operations, cross-system record correlation, or idempotent data loads. Trigger keywords: external ID field design, upsert key strategy, cross-system record matching, source system ID mapping, composite key for uniqueness, duplicate insert on upsert, relationship resolution by external ID. NOT for data migration steps (use data-migration-planning), NOT for REST API upsert endpoint wiring (use rest-api-patterns), NOT for general data model field decisions (use data-model-design-patterns).
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skills use external-id-strategy