Technical Blog
Deep dives into data engineering, cloud architecture, AI/ML, and the technologies that power modern data platforms.
Master Python Abstract Base Classes (ABC) for building robust data engineering frameworks. Learn class methods, static methods, abstract method decorators, and inheritance patterns for scalable pipeline architectures.
Comprehensive SQL vs NoSQL comparison for data architects. Deep dive into ACID transactions, CAP theorem, BASE model, OLTP vs OLAP, key-value stores, document databases, and decision cheatsheet for AWS, Azure, and GCP database selection.
Tips to learn a new technology quickly and deeply. Easy way to achieve it. Avoid skimming
Complete guide to SQL Server architecture for data engineers. Learn relational and storage engines, buffer manager, query optimizer, execution plans, ACID properties, and NoSQL comparison for building efficient data pipelines.
Essential PostgreSQL SQL reference for data engineers. Covers SELECT, JOINs, aggregations, window functions (LAG, LEAD, RANK), CTEs, JSONB queries, date operations, and performance optimization with practical examples.
Hands-on PostgreSQL tutorial building a daily order analysis report. Learn aggregations, window functions (LAG, SUM OVER), running totals, calendar tables, and query optimization with EXPLAIN plans for production data pipelines.
