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Rick Huang
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Tech Talk · 1 essay
Migration
Moving systems and structures without breaking a single report.
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Sep 23, 2026
9 min read
Migrating a chart of accounts without breaking a single report
When finance re-cuts the general ledger, every dbt model, metric and dashboard downstream is exposed. A playbook: crosswalks, dual-running, zero-tolerance reconciliation, and treating the account hierarchy as a data contract.
Migration
Business Logic