Practical articles, in-depth tutorials, and architectural insights on software engineering, AI, and systems.
Discover when it is worth placing business rules directly inside the database using Stored Procedures. We analyze performance, maintainability, and architectural trade-offs.
Discover why relying solely on application logic to validate data is a major risk. Learn how foreign keys, unique constraints, and database rules save systems from catastrophic failures.
Learn how PostgreSQL handles deletions and updates through MVCC and why the Vacuum routine is essential to prevent disk bloat and performance degradation.
Learn how the Linux OOM Killer behaves when RAM runs out, what criteria determine which process gets terminated, and how to protect your infrastructure.
Learn how to structure declarative partitioning in PostgreSQL to manage billions of rows in Node.js applications. Discover how the query optimizer reduces search time and improves write performance.
Learn how Change Data Capture monitors transactions in real time to synchronize systems and power event-driven architectures without application overhead.
Discover how event sourcing replaces traditional database tables with an immutable historical log of facts, transforming how complex systems handle data persistence and auditing.
Understand the fundamental differences between optimistic and pessimistic locking in concurrent systems. Learn when to apply each approach to ensure data consistency without sacrificing performance.
Discover how database locking mechanisms protect data integrity when thousands of users modify the exact same information simultaneously.
Learn how specialized tools for managing database connections prevent bottlenecks in high-traffic systems. Discover the practical operation of ProxySQL and PgBouncer.
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