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TimescaleDB 2.27, released May 12 2026, extends bloom-filter batch pruning from reads to writes. UPDATE, DELETE, and UPSERT against compressed columns…
Manticore Search 28.6.6 has been released. The headline additions are UUID document IDs for real-time tables and ordered, limited GROUP_CONCAT() for g…
A database-first, explicit-DDL ORM for .NET — runtime-emitted entity types, JOIN-free eager loading, CDC push notifications, and schema-driven GraphQL…
On May 20, 2026, AWS ended support for DMS Fleet Advisor. Fleet Advisor answered a question every migration team asks first: what is actually in my da…
Over the past few weeks I've been benchmarking LioranDB V2 , a document database engine written completely from scratch in Rust . Instead of publishin…
A page that feels instant with a few users can become painfully slow when your business grows. The code hasn’t changed. The server hasn’t changed. The…
A PostgreSQL MCP server can remain available during failover and still return the wrong answer. The connection retries against a replica. The replica …
Lessons from hooking up stamping presses, welding cells, and MES without dropping a single byte of data. If you’ve ever been tasked with trying to fee…
Search is often treated as infrastructure. In production, though, it behaves much more like an application API. It accepts user traffic, exposes busin…
In Parts 1-3, we built a storage engine: WAL, memtable, SSTables, and compaction. Every operation is a single GET or PUT. But real applications rarely…
Originally published on tamiz.pro . MongoDB's aggregation framework is a powerful tool for processing and transforming data. However, as datasets grow…
A Japanese-language version of this article is available on Zenn . I've prepared a blank map. Fill in what you need, as your own — and draw the shippi…
Most multi-tenant applications keep tenants apart with one line of code, repeated forever: SELECT * FROM documents WHERE organization_id = $ 1 That li…
Most backend engineers implement multi-tenant quota checks using a standard "read-then-write" pattern. In production, this pattern is highly unsafe: S…
In this post, I summarize my hands-on experience completing the Microsoft Applied Skills: Configure and migrate to Azure Database for PostgreSQL asses…
How accidentally exhausting Firestore's free-tier limit transformed a rushed MVP into a more resilient anti-proxy attendance system. Introduction When…
A normal secondary index can answer: status = "active" It cannot efficiently answer: documents containing "distributed database" LioranDB therefore ha…
A document database usually stores a primary record by document ID. But applications also ask questions such as: Find users where status = "active" Fi…
The reason Redis solves so many problems is that it isn't one thing, it's a collection of data structures, each with commands tuned for a specific acc…
You have a row in Postgres. You want that same row in MongoDB — not tonight in a batch job, but the instant it changes. And next month you'll want it …
Database Migrations: Managing Schema Changes as Version-Controlled Code A practical guide to database migrations — the discipline of evolving a databa…
Introduction One of the key goals of recent ClickHouse® releases has been improving compatibility with the ANSI SQL standard. While ClickHouse has alw…
The projects I dread are the ones where the database is the only documentation. Twenty tables, foreign keys, years of production data, and either no A…
Most database queries begin by describing the answer. You provide a primary key, write a SQL predicate, select a collection, enter search terms, or se…
A few months back I started building a tool to solve a problem that kept annoying me: when you want an AI assistant to help with an old database, you …
OpenCode keeps a lot of useful history. That is one of the reasons I like it. A coding-agent session is not just a chat transcript. It is a record of …
Part 3 of the Omnismith "Core Platform Capabilities" series Securing data inside shared multi-tenant environments requires robust authorization bounda…
Most GraphRAG systems today are built with at least two storage layers. One system stores vectors. Another system stores relationships. The vector dat…
You ship a read endpoint. It lists some things, say devices or orders or invoices, and for each row it pulls in a bit of related data. With five rows …
Introduction Upgrading a database is much more than installing a newer version. It requires careful planning to preserve data integrity, maintain appl…