> ## Documentation Index
> Fetch the complete documentation index at: https://base.bangwu.me/llms.txt
> Use this file to discover all available pages before exploring further.

# Databases

> Database technology hub covering MySQL relational database operations, SQLite embedded usage, and core concepts like normalization and ACID.

MySQL is the most popular open-source relational database, widely used in web applications.

## Core Features

* **High Performance**: Optimized query engine
* **Reliability**: ACID transaction support
* **Scalability**: Master-slave replication, sharding
* **Free & Open Source**: Community edition is fully free

<CardGroup cols={3}>
  <Card title="MySQL Basics" icon="file-code" href="/backend/SQL/mysql">
    SQL syntax reference — CRUD to advanced queries.
  </Card>

  <Card title="Database Concepts" icon="lightbulb" href="/backend/SQL/db-knowledge">
    Core concepts — indexes, transactions, normalization.
  </Card>

  <Card title="SQLite" icon="cube" href="/backend/SQL/sqlite">
    Lightweight embedded database for small apps.
  </Card>
</CardGroup>

## Resources

* [MySQL Official Docs](https://dev.mysql.com/doc/)
* Visualization tools: Navicat, DBeaver, MySQL Workbench