How to use the SQL LAG window function to compare current and previous row values, with practical query and table output.
10,000 ft overview on how we plan to scale to our first 1,000,000 concurrent users
Basic functionality of a stock exchange including Carousel Ticker, Line & Candlestick Charts, Portfolio page/screen & more.
Seeding database records for our clients, understanding our records data types, and validating/designing relationships between resources.
Build a stock exchange with .NET, Entity Framework, Flutter, Azure & more. Write backend code in C# & frontend using Flutter
Learn how PostgreSQL extends standard SQL with advanced features, reliability, and open-source flexibility. This guide covers practical commands, differences from generic SQL, and tips for effective database work.