Amazon Quantum Ledger Database (QLDB) vs. Azure SQL Database
| Product | Rating | Most Used By | Product Summary | Starting Price |
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 Amazon QLDB | Score9.9 out of 10 | N/A | Amazon QLDB (for Quantum Ledger Database) is a fully managed ledger database that provides what the vendor describes as a transparent, immutable, and cryptographically verifiable transaction log owned by a central trusted authority. Amazon QLDB can be used to track each and every application data change and maintains a complete and verifiable history of changes over time. Notably, with QLDB data’s change history is immutable – it cannot be altered or deleted – and using cryptography, users can… | $0.03 Per GB-month |
 Azure SQL Database | Score8.9 out of 10 | N/A | Azure SQL Database is Microsoft's relational database as a service (DBaaS). | $0.50 Per Hour |
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| Entry-level Setup Fee | No setup fee | No setup fee | ||||||||||||||
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| Likelihood to Recommend | - | 8.0 |
| Likelihood to Renew | - | 8.0 |
| Usability | - | 9.0 |
| Support Rating | - | 9.0 |