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Choosing between Azure SQL DB Ledger and Azure Confidential Ledger

Pieter Vanhove reminds me that ledger tables exist:

Ledger technology is a way of storing data that ensures its integrity, immutability, and verifiability. It can be used for scenarios where trust and transparency are essential, such as financial transactions, supply chain tracking, or regulatory compliance. Azure offers two services that leverage ledger technology to provide tamper-proof data storage: ledger in Azure SQL Database and Azure Confidential Ledger. In this blog post, we will compare these two services and help you decide which one is best suited for your needs.

Read on for the comparison. I think the answer for most cases is “neither” but there are specific times when ledger tables could make a good amount of sense.