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Amazon Aurora DSQL offers time-based observability through Amazon CloudWatch Database Insights. Learn how the DSQL observability model, DASH, Database Insights, PromQL, and the system diagnostics AI skill help you find…
Stream Amazon Aurora DSQL change data capture (CDC) events into Apache Iceberg tables on Amazon S3 with Amazon Data Firehose, then query them using Amazon Athena. This post walks through a two-table design that keeps a…
Learn how to use Oracle SQLcl, a lightweight alternative to the full Oracle Client, to create and manage an Oracle Wallet for SSL connections between AWS DMS and Amazon RDS for Oracle. This post walks through installing…
Bug Fixes: Fix hang when the chunk buffer is smaller than the input buffer. (Reviewed by Andrew Pogrebnoi, Douglas J Hunley. Reported by crajac66.) Compare a new backup label only against its own full backup set.…
Tainan, Taiwan - Sun 16 Aug 2026 powa-archivist 5.3.0 The PoWA team is pleased to announce the release of the version 5.3.0 of powa-archivist, the core extension of the PoWA project. PoWA (PostgreSQL Workload Analyzer)…
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A production-ready approach to preventing duplicate leads and side effects with stable idempotency keys, PostgreSQL constraints, transactional outbox events, safe retries, and reconciliation. A visitor fills out a form,…
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Every query locks every index on a table, even ones it doesn't use.
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A walkthrough of running OpenBao on Kubernetes with CloudNativePG as its PostgreSQL storage backend. Every layer of this stack is open source, with no vendor lock-in: Kubernetes and CloudNativePG are both CNCF projects,…
PostgreSQL's JIT compiler fires based on estimated query cost, but that estimate measures data volume, not expression complexity.
'Covering indexes hurt your writes' is an architectural maxim with no number attached. Here is the number: +28% on INSERTs, +25% on UPDATEs, 1.26x faster reads, and covering wins below ~4,300 writes per analytical read.…
Columns beat JSONB+GIN at everything except multi-key containment on PostgreSQL 17
Tool capabilities and edition boundaries described here are accurate as of publication. Both vendors move these lines; check current documentation before making decisions based on this post. There’s a specific moment…
...because your vendor's Cost Model Is from 2002. Since random_page_cost = 4.0 is for spinning disks and hasn't changed in 25 years, setting it to 1.1 cuts this query from 125.98ms to 68.69ms.
Postgres 19 adds SQL/PGQ graph queries. Measured against a PostgreSQL 19beta1 build, the fixed-depth graph query compiles to the exact same plan as a hand-written join, and the variable-depth traversal that graph…
