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Polybase Blog - Introduction


This Polybase blog series is all about the use of Polybase Technology in today’s era to be able to take advantage of the Data(Relational and Non-Relational) by using T-SQL only. Data whether Big or not is the lifeline to many different sectors to cope up with Production, Maintenance, Predictions, Taking Precautionary Measures, Customer Satisfaction, Customer Retention, Sales, Revenue Generation and many more.

In this Polybase Tutorial blog we will learn about what is Polybase and in the succeeding blogs you will discover how it is being implemented, how to do Polybase Configuration, what are Polybase Limitations, Polybase External Table and how to use Polybase Scale-Out Group to distribute the T-SQL queries.

Introduction and Use Case:

Many industries are migrating towards Cloud based set up. The reason is quite simple less cost and scalability. But some tends to keep data in both Relational (Tabular) as well as Non-Relational (Non-Tabular) databases, and hence a need to merge at some point of time the both as per the requirements. So, here is the good news for all those who have MS SQL Server 2016 or above in their set up along with the data in the Cloud.

With the introduction of Polybase Technology Microsoft gives us an extension to be able to use the data in the Cloud and merge Big Data Sources with the Tables in SQL Server just like any other Table, to get more out of the data enhancing customer experience. With some little effort and WITHOUT making any change to the existing application you will be able to take advantage of the data of both the worlds Relational and Non-Relational using T-SQL only which are one of the many Polybase benefits. Let’s have a look at the figure to have a functional understanding of the Polybase.

Polybase, Polybase Blog, Polybase Tutorial, What is Polybase

Fig 1. How SQL Server uses Polybase Technology to Interact with External Big Data Sources

If you look at the figure above, it will give you a high level view of how Polybase is making it easy to access External Data Source by using T-SQL only. PolyBase enables your SQL Server instance to process Transact-SQL queries that read data from external big data sources. Polybase in SQL Server 2016 and higher can access external data in Hadoop and Azure Blob Storage,and Polybase SQL Server 2019 can be used to access big data sources like SQL Server, Oracle, Teradata, and MongoDB. Polybase is a simple idea that you only need to use simple T-SQL rather than learning a completely different language. With the use of T-SQL you will be able to merge both Relational and Non-Relational Databases.

So, I hope this blog will help you get a clear understanding of what is Polybase and why it is being used, in the coming blogs we will learn about what are the requirements to Install and Implement Polybase and how it is being implemented. Also, we will learn about the Polybase Scale-Out Group and how it is used to increase the computation power of existing T-SQL queries.

About Amlgo Labs : Amlgo Labs is an advanced data analytics and decision sciences company based out in Gurgaon and Bangalore, India. We help our clients in different areas of data solutions includes design/development of end to end solutions (Cloud, Big Data, UI/UX, Data Engineering, Advanced Analytics and Data Sciences) with a focus on improving businesses and providing insights to make intelligent data-driven decisions across verticals. We have another vertical of business that we call - Financial Regulatory Reporting for (MASAPRAHKMAEBAFEDRBI etc) all major regulators in the world and our team is specialized in commonly used regulatory tools across the globe (AxiomSL Controller ViewOneSumX DevelopmentMoody’s RiskIBM Open Pages etc).We build innovative concepts and then solutions to give an extra edge to the business outcomes and help to visualize and execute effective decision strategies. We are among top 10 Data Analytics Start-ups in India, 2019 and 2020.

Please feel free to comment or share your views and thoughts. You can always reach out to us by sending an email at or filling a contact form at the end of the page.







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