Inmon vs Kimball Data Warehouse Approaches

The terms Kimball and Inman may be old but still relevant in the age of the Modern Data Stack. But in the technology industry, the new is often built on the foundation of the old. The same can be said about the Inman vs Kimball model of the Enterprise Data Warehouse. Bill Inman recently had … Read more

Snowflake Introduction

What exactly is Snowflake? Snowflake is a cloud-based data warehousing platform. Snowflake is built on top of the public cloud. Snowflake is a SaaS (Software as a Service) offering. Unlike traditional data warehouse options, Snowflake provides a unique data warehouse. It is not only easier to set up, faster, and more flexible. Snowflake has become … Read more

Tips for Avoiding Null Value Errors in Tableau

If you have worked with Tableau, you may seen ‘null’ values appearing in your data. In this complete guide to Tableau and null values we will cover following topics. What are null values? Null values means values that do not exist. Null value means absence of value. Here is a real-world example of why null … Read more

Excel vs Tableau – Pros and Cons

In this article, we will understand how Tableau differs from Excel – the world’s most used Business Intelligence tool. If you are reading this article, chances are, you like Tableau and/or Excel. Both Tableau & Excel are fantastic tools. Comparing the two tools is like comparing a philips screwdriver with a flathead. Both Tableau and … Read more

How to set up CUDA and Tensorflow on a Windows PC

In this article, we will learn how to run Tensorflow on a CUDA-compatible Nvidia graphics cards on a Windows 10 PC. If you are just getting started with deep learning and Tensorflow, setting up your development environment can be quite challenging. There are often compatibility issues with different versions. For this activity, I used Thinkpad … Read more

Snowflake Basics for Beginners

In this first issue we will talk about Snowflake — one of the hottest IPO of 2020. We will understand basics such as the evolution of data management systems, concept of a relational database, and what is a data warehouse. We will then review key differentiators of Snowflake. Snowflake has followed an aggressive sales strategy … Read more

AWS Certification Preparation Guide

AWS certifications is a fantastic way to learn AWS and gain in-demand credentials. Let us see how. How to prepare for AWS certifications? In this article, we will describe how to prepare for AWS Solutions Architect certification and AWS Cloud Practitioner exams. Our goal is to help you prepare in the quickest possible time, pass … Read more

Categories AWS

SQL Tutorial for Beginners

This is a beginner level introduction to Structured Query Language (SQL). In this article you will learn following concepts: History of relational databases (RDBMS) and SQL The concept of tabulating data in rows and columns. Structure of a simple SQL statement Understand the flow of query execution and components of the SQL statement such as … Read more