Data, Databases & Streaming

Relational & NoSQL databases, search, caches, streams, ETL/ELT, and analytics stacks.

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Inside Data, Databases & Streaming

Relational (SQL) Postgres/MySQL/SQLite tuning, HA/DR, indexing, and query planning. NoSQL & NewSQL Document, key-value, columnar, search, and distributed SQL engines. Search & Relevance Engineering Full-text search, ranking, synonyms, vectors, and hybrid retrieval patterns. Caching & Edge Data KV stores, CDNs, edge runtimes, and latency-first data patterns. Streaming & Queues Event streaming, pub/sub, backpressure, and consumer groups at scale. ORMs & Migrations Type-safe models, schema diffs, seed data, and multi-tenant strategies. Data Engineering & Analytics Pipelines, orchestration, dbt, warehouses, BI, and governance/lineage.

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Latest in Data, Databases & Streaming


dev.to > david_mwandairo_777f888b4 > subqueries-and-ctes-asking-a-question-inside-a-question-3lpk

Subqueries and CTEs: Asking a Question Inside a Question

26+ min ago   (624+ words) Some questions can't be answered in one pass. "Which hive produced the most honey?" needs the maximum honey figure before it can find the hive that matches it. "Which keepers are above average?" needs the average before it can compare…...


dev.to > shadowsaurus > finops-meets-architecture-tiering-clickhouse-from-ebs-to-s3-without-touching-a-query-21d9

FinOps Meets Architecture: Tiering ClickHouse from EBS to S3 Without Touching a Query

2+ hour, 6+ min ago   (1421+ words) Run ClickHouse on EC2 long enough and you'll hit the same moment everyone does. The queries are fast, the ingestion pipeline is humming, and then someone opens the AWS bill and asks why storage alone costs more than the instance. The…...


dev.to > bijan53c > encryption-isnt-enough-you-also-need-to-know-if-someone-tampered-with-your-data-gio

Encryption Isn't Enough — You Also Need to Know If Someone Tampered With Your Data

2+ hour, 28+ min ago   (313+ words) Most people think encryption's job is to keep data secret. That's only half the job — and the half it doesn't cover is exactly where a lot of otherwise-careful implementations quietly break. This is part 4 of a series documenting what I'm…...


dev.to > sufyanism > why-fork-doesnt-duplicate-memory-copy-on-write-and-the-page-table-3ioa

Why fork() Doesn't Duplicate Memory: Copy-on-Write and the Page Table

3+ hour, 49+ min ago   (24+ words) Calling fork() does not duplicate a process's memory space; it copies the page table hierarchy and... Tagged with programming, kernel, code, devops....


infoq.com > news > 2026 > 09 > uber-m3db-subcluster-sharding

Uber Redesigns M3DB Sharding with Subclusters to Limit Failure Impact

4+ hour, 51+ min ago   (529+ words) Live Webinar and Q&A: When AI Accelerates Development, Can Your CI Pipeline Keep Up? (Oct 8, 2026) Save Your Seat Lily Mara explains how to avoid high-risk software rewrites through incremental FFI refactoring. She shares how engineering teams can replace Python bottlenecks…...


dev.to > gentlyding > read-replicas-promised-scale-they-also-gave-you-stale-data-2jhh

Read Replicas Promised Scale. They Also Gave You Stale Data.

4+ hour, 30+ min ago   (361+ words) This isn't a post arguing against replicas. It's a post about the one cost nobody puts on the whiteboard: a read replica gives you throughput, not freshness. Those are different promises. With a typical primary-replica setup (Postgres streaming replica, MySQL…...


aithority.com > machine-learning > google-cloud-brings-native-bm25-full-text-search-to-alloydb-and-cloud-sql-via-tiger-datas-pg_textsearch

Google Cloud Brings Native BM25 Full-Text Search to AlloyDB and Cloud SQL via Tiger Data's pg_textsearch

4+ hour, 33+ min ago   (29+ words) Tiger Data, the creators of TimescaleDB, announced that its open-source BM25 search engine, pg_textsearch, is now supported natively in Google Cloud’s AlloyDB and Cloud SQL for PostgreSQL databases....


dev.ua > en > news > mihratsiia-high-load-servisu-bez-prostoiu-1789996389

Migrating a high-load service without downtime: how to synchronize data, maintain compatibility, and anticipate reverse migration??? SharksCode experience

6+ hour, 2+ min ago   (606+ words) Migrating a high-load service without downtime: how to synchronize data, maintain compatibility, and anticipate reverse migration — SharksCode experience dev.ua Migrating a high-load service without downtime: how to synchronize data, maintain compatibility, and anticipate reverse migration — SharksCode experience When a…...


sitepoint.com > fix-server-component-bundle-leaks-nextjs-ast-linting

Fixing Server Component Bundle Leaks in Next.js

4+ hour, 50+ min ago   (767+ words) Save 20-40% On Your OpenRouter Bills. Stay up to date with AI tools, model releases, and developer workflows that matter. Weekly. Free. One click to leave. Prerequisites: This guide assumes Node.js ≥ 18 (the workflow pins Node 20), Next.js 15.x with the…...


dev.to > oracledevs > how-to-build-an-antigravity-workflow-with-the-oracle-sqlcl-mcp-server-and-oracle-ai-database-65p

How to Build an Antigravity Workflow with the Oracle SQLcl MCP Server and Oracle AI Database

5+ hour, 6+ min ago   (131+ words) This article adapts the same MCP workflow... Tagged with oracle, mcp, ai, antigravity....