Amazon Quantum Ledger Database Amazon Aurora PostgreSQL (QLDB Migration)
Legacy names Amazon Quantum Ledger Database, Amazon QLDB
Managed relational database service recommended by AWS as the replacement target for immutable transactional ledger and audit workloads migrating off retired Amazon QLDB.
Naming timeline
- Amazon Quantum Ledger Database (Amazon QLDB)
Announced in preview at re:Invent 2018 and reached GA on September 10, 2019 as a purpose-built ledger database; deprecated in July 2024.
- Amazon Aurora PostgreSQL
Amazon QLDB reached end of support on July 31, 2025; ledger workloads migrate to Amazon Aurora PostgreSQL.
What replaced Amazon Quantum Ledger Database?
Amazon Quantum Ledger Database has been superseded by Amazon Aurora PostgreSQL (QLDB Migration), with the latest change on 31 July 2025 (QLDB End of Support & Migration). Earlier names covered by this entry also include Amazon QLDB. Managed relational database service recommended by AWS as the replacement target for immutable transactional ledger and audit workloads migrating off retired Amazon QLDB. The underlying legacy API or CLI surface is deprecated, so a technical migration is required.
Also known as
- QLDB
Technical identifiers
Legacy identifiers deprecated. The underlying API or CLI surface for the legacy name is officially deprecated, so this change requires a technical migration rather than a label update.
| AWS Service APIs / SDKs | qldb qldb-session rds |
|---|---|
| AWS CLI Commands | aws qldb aws rds |
| IAM Actions & Policies | qldb:* rds:* |
| Terraform Resources (aws_*) | aws_qldb_ledger aws_qldb_stream aws_rds_cluster |
The qldb and qldb-session APIs, aws qldb CLI commands, qldb:* IAM actions, and aws_qldb_ledger Terraform resource reached end of support on July 31, 2025 in favor of Amazon Aurora PostgreSQL (rds).
Notes & disambiguation
- In July 2024, AWS announced the deprecation of Amazon Quantum Ledger Database (Amazon QLDB), closing access to new customers and setting the official end-of-support date for July 31, 2025.
- Following the July 31, 2025 end of support, https://aws.amazon.com/qldb/ redirects directly to Amazon Aurora (https://aws.amazon.com/rds/aurora/) and the qldb/qldb-session APIs, CLI commands, and aws_qldb_ledger Terraform resources are retired.
- Official AWS database migration guidance directs customers to migrate ledger and audit workloads to Amazon Aurora PostgreSQL-Compatible Edition using pgAudit, append-only tables, and cryptographic digest verification.
Sources & official documentation
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