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Posts by Afzal Malik

Home » Archives for Afzal Malik » Page 16
About Afzal Malik
Afzal Malik is an AI/ML Engineer with over 6 years of experience in IT, specializing in integrating AI systems and building intelligent chat agents. He is passionate about using data and AI to solve complex business problems. His expertise includes PySpark, Pandas, AWS Glue, AWS Data Wrangler, and AI/ML technologies. He holds certifications as an AWS Solutions Architect, AWS Data Engineer, and AWS AI/ML Foundation certified professional. Currently working on cutting-edge AI system integrations and developing conversational AI agents for enterprise applications.
differences between NULL and 0 in SQL
Posted inData Engineering

Understanding the Key Differences Between NULL and 0 in SQL

When working with databases, understanding the distinctions between NULL and 0 in SQL is essential. These two terms might seem similar at first glance, but they have significant differences that…
Posted by Afzal Malik December 6, 2024
Python-top-10-libraries
Posted inPython

Top 10 Python Libraries Every Developer Should Know in 2025

Python’s versatility makes it the go-to programming language for developers, enabling them to work across various domains like data analysis, web development, and machine learning. Whether you’re a beginner or…
Posted by Afzal Malik December 5, 2024
AWS s3 cross-account replication
Posted inAWS

Set Up Cross-Account S3 Bucket Replication in AWS

AWS S3 is a widely used cloud storage service, and setting up Cross-Account Replication is an essential feature for redundancy, disaster recovery, or compliance. This blog will guide you through…
Posted by Afzal Malik December 3, 2024
aws federated access
Posted inAWS Devops

Simplify Your AWS CodeCommit Access: A Guide to Federated Multi-Account Access

Table of Contents Introduction What is Federated Multi-Account Access? Approach Step-by-Step Implementation Troubleshooting Common Issues Conclusion Introduction AWS CodeCommit is a fully managed source control service that makes it easy…
Posted by Afzal Malik December 2, 2024
AWS SSO feature Image
Posted inAWS Devops GitHub

Simplify Your AWS CodeCommit Access: A Guide to Federated Multi-Account Access

Table of Contents Introduction What is Federated Multi-Account Access? Approach Step-by-Step Implementation Troubleshooting Common Issues Conclusion Introduction AWS CodeCommit is a fully managed source control service that makes it easy…
Posted by Afzal Malik December 2, 2024
one big table
Posted inData Engineering

The Role of One Big Table (OBT) in Modern Data Engineering

Introduction The concept of One Big Table (OBT) is gaining traction in modern data engineering for its simplicity and performance benefits. OBT consolidates all data into a single, massive table,…
Posted by Afzal Malik December 1, 2024
Optimizing Fact Tables: Strategies for Effective Data Modeling
Posted inData Engineering

Optimizing Fact Tables: Strategies for Effective Data Modeling

Fact tables are at the heart of any data warehouse or dimensional model. They capture measurable, quantitative data that businesses use for analysis, reporting, and decision-making. However, because fact tables…
Posted by Afzal Malik December 1, 2024
Slowly Changing dimensions
Posted inData Engineering

Understanding Surrogate Keys and Slowly Changing Dimensions (SCD)

Introduction In data warehousing, surrogate keys and slowly changing dimensions (SCD) are fundamental concepts that ensure data consistency and historical tracking. Surrogate keys provide unique, stable identifiers for dimension records,…
Posted by Afzal Malik December 1, 2024
OLTP VS OLAP
Posted inData Engineering

OLTP vs. OLAP Systems: Characteristics and Key Differences

In today’s data-driven world, businesses need systems that handle both transactional operations and analytical insights. This is where OLTP (Online Transaction Processing) and OLAP (Online Analytical Processing) systems come into…
Posted by Afzal Malik November 30, 2024
odoo-framework
Posted inOdoo

Getting Started with the Odoo Framework: A Beginner’s Guide

Odoo is a comprehensive open-source ERP (Enterprise Resource Planning) platform designed to help businesses streamline their operations. From accounting to inventory, HR to CRM, Odoo provides a range of integrated…
Posted by Afzal Malik November 30, 2024

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