Tag: Database

All the articles with the tag "Database".

• Primary Key vs Foreign Key Explained with Examples

  7 Apr, 2026

  By Pratik Bhuite | 12 min read

  Series: Database Fundamentals

  Primary key vs foreign key explained with SQL examples, core differences, and best practices to design reliable relational database schemas.

  • Database
  • SQL
  • Relational Database

• Relational Databases Explained: Tables, Rows, and Keys

  3 Apr, 2026

  By Pratik Bhuite | 18 min read

  Series: Database Fundamentals

  Learn relational databases: tables, rows, columns, and keys - with practical SQL examples and clear explanations for beginners.

  • Database
  • SQL
  • Relational Database

• What is Database Sharding? A Complete Guide with Real-World Examples

  18 Feb, 2026

  By Pratik Bhuite | 13 min read

  Series: Database Scalability Series

  Learn what database sharding is, how it scales applications like Instagram, and explore key strategies like horizontal partitioning with real-world examples.

  • Database
  • System Design
  • Scalability