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How to Create a Generic Stored Procedure for KPI Calculation (SQL + AWS Lambda)
In modern data engineering, building scalable and reusable systems is essential. Writing separate SQL queries for every KPI quickly becomes messy and hard to maintain. A better approach?👉 Use a Generic Stored Procedure powered by Dynamic SQL, and trigger it using AWS Lambda. In this blog, you’ll learn: What is a Generic Stored Procedure? A…
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Unlocking the Power of Databricks Genie: A Comprehensive Guide
Databricks Genie is a collaborative data engineering tool built on the Databricks Unified Analytics Platform, enhancing data analytics for businesses. Key features include collaborative workspaces, efficient data processing with Apache Spark, built-in machine learning capabilities, robust data visualization, seamless integration, and strong security measures, fostering informed decision-making.
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Secure S3 File Upload Using API Gateway, Lambda & PostgreSQL (Complete AWS Architecture Guide
Modern applications often allow users to upload files—documents, invoices, images, or datasets. But a production-grade upload pipeline must be secure, scalable, and well-organized. In this article, we will build a complete end-to-end architecture where: We will implement this using Amazon API Gateway, AWS Lambda, PostgreSQL, and Amazon S3. This architecture is widely used in cloud-native…
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AI Agents in Data Engineering: Everything You Need to Know
AI agents are revolutionizing data engineering by automating tasks such as monitoring pipelines, generating SQL queries, and ensuring data quality. They enhance productivity, speed up troubleshooting, and improve data accessibility for users. While offering significant advantages, AI agents also face challenges in security, accuracy, and integration with existing systems.
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The End-to-End AI Stack – A Real Guide for Developers to Code, Create, and Execute
Artificial Intelligence tools are on the rise, from writing assistants to coding helpers and automation platforms. However, many professionals struggle to compare these tools effectively. This is where the AI Stack becomes important. Modern AI tools like ChatGPT, NotebookLM, and Antigravity serve different purposes, and understanding their roles helps in: Layer 1: Conversational AI (Thinking…
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10 Workplace Communication Speaking Exercises to Improve Fluency at Work
Strong workplace communication is one of the most valuable professional skills today.Whether you’re giving project updates, speaking to clients, or collaborating with teams — the ability to speak clearly and confidently can set you apart. However, many professionals struggle with: One of the best ways to improve is through chunking and pausing. Chunking helps you:âś”…
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Step-by-Step: 4 Methods to Create RDS in AWS & Build Schemas
Setting up a Relational Database Service (RDS) database in Amazon Web Services (AWS) is an essential skill for developers and data engineers. This blog post outlines four different methods for creating an RDS database, providing step-by-step instructions that are easy for beginners to follow. Additionally, we will discuss how to create schemas after establishing the…
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From Laptop to Cloud: Deploy Your First Production DB Using Amazon RDS
Learn how to move from a local database to a production-ready cloud setup using Amazon RDS. A beginner-friendly step-by-step guide covering setup, backups, scaling, and best practices.
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FAANG-Style SQL Interview Traps (And How to Avoid Them)
SQL interviews at FAANG (Facebook/Meta, Amazon, Apple, Netflix, Google) are not about syntax. They are designed to test logical thinking, edge cases, execution order, and data correctness at scale. Many strong candidates fail—not because they don’t know SQL, but because they fall into subtle traps. In this blog, we’ll walk through real FAANG-style SQL traps,…
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Common Databricks Pipeline Errors, How to Fix Them, and Where to Optimize
Introduction Databricks has become a premier platform for data engineering, especially with its robust integration of Apache Spark and Delta Lake. However, even experienced data engineers encounter challenges when building and maintaining pipelines. In this blog post, we’ll explore common Databricks pipeline errors, provide practical fixes, and discuss performance optimization strategies to ensure your data…
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AWS Interview Q&A for Beginners (Must Watch!)
The content outlines essential AWS basics interview questions that every beginner should be familiar with. It serves as a resource for fresh candidates preparing for interviews in cloud computing. The link provided leads to additional multimedia content related to the topic.
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How a PySpark Job Executes: Understanding Statements, Stages, and Tasks
When you write a few lines of PySpark code, Spark executes a complex distributed workflow behind the scenes. Many data engineers know how to write PySpark, but fewer truly understand how statements become stages, stages become tasks, and tasks run on partitions. This blog demystifies the internal execution model of Spark by connecting these four…
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