What if you need a tamper-proof history of your data, but don’t want to learn Blockchain? Enter Azure SQL Database Ledger.
How it works
It uses cryptographic hashing to link transaction logs. Any attempt to modify history effectively breaks the chain. It provides:
- Updatable Ledger Tables: Standard SQL tables but with tamper evidence.
- Append-Only Ledger Tables: INSERT only.
Great for audit logs, financial transactions, and supply chain tracking, all using standard T-SQL.
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