Databases

  • 10 Database Mistakes I Made

    10 Database Mistakes I Made

    Hard technical lessons about indexing, schema design, transactions, scaling, and data integrity are explained clearly so you can build faster, safer, and more scalable systems. 10 Database Mistakes I Made Databases rarely fail dramatically. They degrade. Slow queries.Lock contention.Strange data inconsistencies.Scaling issues that appear “out of nowhere.” Most of these problems aren’t caused by the database engine.…

  • How a Simple Missing Check Can Expose Your Entire Database

    How a Simple Missing Check Can Expose Your Entire Database

    You don’t need a zero-day exploit to get hacked. Sometimes, one forgotten if statement is all it takes. Introduction: The Bug That Didn’t Look Dangerous It started as a tiny feature request.A user needed an API endpoint to export their data as a CSV file. Nothing complicated, just read from the database and send the file.…