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Database

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Intermediate~4 hours

Learn how relational, NoSQL, vector, and cloud databases work — and how to pick, design, and query the right one for your application.

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Articles

Database Scaling System Design

Database Scaling Techniques: Match the Bottleneck

Checkout slows while product pages remain healthy. CPU is moderate, but the orders table shows rising lock waits and writes queue behind one hot index. Adding a…

Jul 16, 20265 min read

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