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You're reading from  Limitless Analytics with Azure Synapse

Product typeBook
Published inJun 2021
Reading LevelBeginner
PublisherPackt
ISBN-139781800205659
Edition1st Edition
Languages
Python
Tools
Azure Stream Analytics
Concepts
Data Science
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Author (1)
Prashant Kumar Mishra
Prashant Kumar Mishra
author image
Prashant Kumar Mishra

Prashant Kumar Mishra is an engineering architect at Microsoft. He has more than 10 years of professional expertise in the Microsoft data and AI segment as a developer, consultant, and architect. He has been focused on Microsoft Azure Cloud technologies for several years now and has helped various customers in their data journey. He prefers to share his knowledge with others to make the data community stronger day by day through his blogs and meetup groups.
Read more about Prashant Kumar Mishra

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Using T-SQL queries on semi-structured and unstructured data

Azure Synapse SQL on-demand allows you to query data in your data lake. The OPENROWSET function is used in SQL on-demand to query an external data source. We will learn how to use this function for reading different types of files.

Reading Parquet files

Parquet is an open source file format that is designed for efficient, as well as performant, flat columnar storage of data. Synapse provides a feature to read Parquet files directly, using the OPENROWSET function.

The easiest way to read a Parquet file's content is to provide the file Uniform Resource Locator (URL) to the OPENROWSET function and specify the Parquet format, as illustrated in the following code snippet:

select top 10 *
from openrowset(
    bulk 'https://pandemicdatalake.blob.core.windows.net/public/curated/covid-19/ecdc_cases/latest/ecdc_cases.parquet',
    format ...
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Limitless Analytics with Azure Synapse
Published in: Jun 2021Publisher: PacktISBN-13: 9781800205659
© 2021 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Prashant Kumar Mishra

Prashant Kumar Mishra is an engineering architect at Microsoft. He has more than 10 years of professional expertise in the Microsoft data and AI segment as a developer, consultant, and architect. He has been focused on Microsoft Azure Cloud technologies for several years now and has helped various customers in their data journey. He prefers to share his knowledge with others to make the data community stronger day by day through his blogs and meetup groups.
Read more about Prashant Kumar Mishra

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