Introducing to you, the various tools that are helpful in implementing Data Warehousing. You might find the topic tough initially but slow and steady with the proper understanding you will find it quite easy. And we are here to provide all the material on it and give you a proper outline and in-depth explanation about various tools. Starting with a bit of introduction and common features of data warehousing tools, we would introduce some of them such as Amazon Redshift - a brief introduction and setup details will be covered here, and Microsoft Azure - how it can be helpful as a data warehousing tool, Google Big Query - introduction to what it is and Snowflake- details including what it is and how it can be used as a data warehousing tool. We will also be taking up one data warehousing tool that is oracle Warehouse builder and shows you how you can install and set it on your local machine and what are its feature. We will be comparing The three bigs - AWS, Azure, and google big query, laying out various features and comparing them.