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 > informat > multi-tenancy-is-not-a-deployment-model-it-is-a-data-model-decision-4fg

Multi-Tenancy Is Not a Deployment Model. It Is a Data Model Decision.

51+ min ago   (940+ words) The meeting lasted eleven minutes. The IT director of a manufacturing group had one question: "We have four subsidiaries. Can they all run on this, with each one only seeing its own data?" Everyone in the room heard a configuration…...


hackernoon.com > building-a-type-safe-database-workflow-with-kysely

Building a Type-Safe Database Workflow With Kysely

1+ hour, 17+ min ago   (823+ words) Kysely is a query builder, not an ORM. There's no entity layer, no lazy loading, no magic session flushing things behind your back. You describe your schema once as a TypeScript interface and from there every method on the builder…...


medium.com > @geekycodes > partitioning-in-apache-spark-how-to-control-parallelism-and-improve-performance-559684db7904

Partitioning in Apache Spark: How to Control Parallelism and Improve Performance

1+ hour, 8+ min ago   (5+ words) “” is published by Ved Prakash....


blogs.oracle.com > integration > connect-claude-to-your-oracle-integration-tools

Connect Claude to your Oracle Integration tools

7+ hour, 51+ min ago   (858+ words) This post covers Claude. The IAM and Oracle Integration setup in Parts 1 and 2 is the same for every MCP client; only the client-side steps differ. Separate posts will follow for other major clients, starting with ChatGPT. Two applications are involved,…...


dev.to > franckpachot > online-enabling-checksums-in-postgresql-19-2agd

Online enabling checksums in PostgreSQL 19

6+ hour, 2+ min ago   (270+ words) PostgreSQL 19 will support enabling checksums online, allowing them to operate in the background while the application remains active, possibly with throttling to lessen workload impact. Here's an example. To set up a demonstration database without checksums, I initialized it using…...


dev.to > kenyansa > olap-vs-oltp-a-comprehensive-guide-to-their-roles-differences-optimization-and-convergence-3c4c

OLAP vs OLTP: A Comprehensive Guide to Their Roles, Differences, Optimization, and Convergence

6+ hour, 35+ min ago   (426+ words) An OLTP database typically stores data in a row-oriented format. This organization is optimal for transactional workloads because it allows the database to quickly locate, insert, update, or delete a complete record—such as a single customer order—with minimal…...


neo4j.com > blog > genai > rescored-binary-vector-search-in-neo4j-search-more-with-less-memory

Rescored binary vector search in Neo4j: search more with less memory - Neo4j Graph Intelligence Platform

7+ hour, 52+ min ago   (863+ words) ...


medium.com > @samilov.cavid2003 > sql-for-data-analysts-full-outer-and-cross-join-with-examples-f93bad202187

SQL for Data Analysts: Full Outer and Cross Join with Examples

3+ hour, 30+ min ago   (384+ words) Hello! I’m Cavid, an aspiring data analyst. Today, we are going to continue our series on SQL JOINs. In my previous article, We talked …...


blogs.oracle.com > mysql > join-mysql-public-discussion-6-and-the-november-contributor-summit

Join MySQL Public Discussion #6 and the November Contributor Summit

14+ hour, 44+ min ago   (328+ words) The MySQL Community conversation continues this fall with two opportunities to connect, share feedback, and help shape the future of MySQL. Following the recent Contributor Summits and Public Discussions, we are continuing to expand practical ways for users, developers, DBAs,…...


dev.to > purbano > the-row-says-system-spring-data-jpa-auditing-outside-the-http-request-f77

The Row Says 'system': Spring Data JPA Auditing Outside the HTTP Request

8+ hour, 14+ min ago   (1466+ words) Every table in our platform has the same four columns at the end: created_by, created_at, updated_by, updated_at. Spring Data JPA fills them in for you with four annotations and one @EnableJpaAuditing. That part takes five minutes. Everything is in a companion repository: auditor-aware-demo. It…...