A practical guide and decision reference for designing robust database schemas, focusing on PostgreSQL and MySQL for startups.
Database Design is a practical guide and decision reference for developers designing robust database schemas, primarily for PostgreSQL and MySQL. It addresses common challenges like choosing data types, implementing soft deletes, optimizing indexes, and maintaining historical records, helping teams avoid technical debt and build scalable foundations.
Backend developers, database architects, and startup engineering teams who need actionable guidance on schema design without over-engineering. It's especially useful for those working with PostgreSQL or MySQL at scales under 5 million users.
It offers concrete, experience-driven solutions instead of vague 'it depends' advice, saving time on research and reducing design mistakes. The focus on simplicity and real-world trade-offs makes it a valuable resource for teams balancing speed with long-term maintainability.
Ideas on better database design
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Provides specific solutions to common schema dilemmas like JSONB usage and tagging, based on real-world experience rather than abstract theory.
Offers guidance tailored for startups to balance speed and quality, with examples like avoiding integer ID pitfalls to prevent security issues.
Covers both PostgreSQL and MySQL in depth, including modern features like identity columns, generated columns, and BRIN indexes with practical SQL snippets.
Includes concrete recommendations for storing complex data such as IP addresses, geolocation, and phone numbers with appropriate data types and constraints.
The guide explicitly states it's designed for user scales under 5 million, making it less relevant for high-traffic or globally distributed applications.
The author admits to a lack of structured writing, which can make the guide harder to navigate and reference systematically for learning or implementation.
Advocates for specific practices like singular table names and avoiding null fields, which might not align with all team preferences or project requirements.