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---
name: databases
description: SQL design, indexing, migrations, and query optimization.
---
# Databases
SQL design, indexing, migrations, and query optimization.
## Core Guidelines
- **Migrations**: Always write migrations for schema changes. Do not perform direct database mutations.
- **Indexes**: Create indexes for columns frequently used in WHERE, JOIN, and ORDER BY clauses.
- **Normalization**: Keep schemas clean, structured, and normalized.
