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Tech news, reviews and explainers Monday, November 2, 2026

Data

Databases, cloud platforms and the data engineering that connects them.

database optimization
Data

Database Optimization: Fast Queries Without the Guesswork

Database optimization is the craft of making a database answer questions faster and carry more load without wasting money on hardware. This guide follows the order professionals use: measure with the query plan, fix indexes and queries, and treat caching, connections and bigger machines as the last levers.

what is a vector database
Data

What Is a Vector Database?

The database that stores meaning as numbers. It turns text, images and audio into lists of numbers called embeddings, then finds the items whose numbers sit closest to your question, which is the lookup AI chatbots run before they answer.

multitenant database containers
Data

Multitenant Database Containers: One Database, Many Tenants

One physical database that holds many separate tenant databases, each one private, all of them sharing a single engine. This guide explains multitenant database containers through the Oracle design that named them, then shows how SaaS teams use the same idea to keep their customers apart.

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