yourdeveloper.hashnode.devUnderstanding Migrations in SequelizeIn modern applications, databases evolve as requirements change. Manually altering tables can lead to inconsistencies across development, staging, and production. This is where migrations in Sequelize come in. What Are Migrations? Migrations are vers...Sep 23, 2025·2 min read
yourdeveloper.hashnode.devUnderstanding Why Node.js is Single-Threaded Yet PowerfulNode.js has become one of the most popular technologies for building modern web applications. At first glance, it may seem confusing when people say that JavaScript is single-threaded, yet Node.js can handle thousands of concurrent requests efficient...Sep 16, 2025·3 min read
yourdeveloper.hashnode.devSQL Indexes: Boosting Query PerformanceIndexes are special data structure in SQL. They make data retrieval faster, working like a quick lookup table for the database instead of scanning the whole table row by row. The database can directly jump to the needed rows, which improves the perfo...Sep 13, 2025·2 min read