Introduction to Big Data

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Data Silos Across Tools Problem Organizations use many separate tools for ETL (Data Factory), Warehousing (Synapse/Snowflake), Big Data (Databricks/Hadoop), Visualization (Power BI/Tableau), etc.
What is Hive Metastore Legacy metadata store for tables and schemas Linked to single Databricks workspace Stores based info : table names, locations, schema Limitation No centralized security across workspaces No column level access control H...

Introduction Modern backend architectures demand modular, maintainable, and testable code. One of the cornerstones of achieving this is Dependency Injection (DI) — a software design pattern that helps decouple object creation from business logic, ma...

Introduction Modern applications increasingly rely on real-time data streams — from chat apps and stock tickers to IoT device feeds, real-time analytics dashboards, and webhooks. The challenge isn’t just speed, but also how to process continuous str...

Introduction Modern applications need to stay online, responsive, and resilient even during upgrades, deployments, or infrastructure changes. Users today expect 24/7 availability — downtime is no longer acceptable for APIs, web services, or internal...
