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Azure Databricks Cookbook
Azure Databricks Cookbook

Azure Databricks Cookbook: Accelerate and scale real-time analytics solutions using the Apache Spark-based analytics service

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Azure Databricks Cookbook

Chapter 2: Reading and Writing Data from and to Various Azure Services and File Formats

Azure Databricks provides options for data engineers, data scientists, and data analysts to read and write data from and to various sources such as different file formats, databases, NoSQL databases, Azure Storage, and so on. Users get a lot of flexibility in ingesting and storing data in various formats as per business requirements, using Databricks. It also provides libraries to ingest data from streaming systems such as Events Hub and Kafka.

In this chapter, we will learn how we can read data from different file formats, such as comma-separated values (CSV), Parquet, and JavaScript Object Notation (JSON), and how to use native connectors to read and write data from and to Azure SQL Database and Azure Synapse Analytics. We will also learn how to read and store data in Azure Cosmos DB.

By the end of this chapter, you will have built a foundation for reading data from various sources that are required to work on the end-to-end (E2E) scenarios of a data ingestion pipeline. You will learn how and when to use JavaScript Database Connectivity (JDBC) drivers and Apache Spark connectors to ingest into the Azure SQL Database.

We're going to cover the following recipes in this chapter:

  • Mounting Azure Data Lake Storage Gen2 (ADLS Gen2) and Azure Blob storage to Azure Databricks File System (DBFS)
  • Reading and writing data from and to Azure Blob storage
  • Reading and writing data from and to ADLS Gen2
  • Reading and writing data from and to an Azure SQL database using native connectors
  • Reading and writing data from and to Azure Synapse Dedicated Structured Query Language (SQL) Pool using native connectors
  • Reading and writing data from and to the Azure Cosmos DB
  • Reading and writing data from and to CSV and Parquet
  • Reading and writing data from and to JSON, including nested JSON
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Key benefits

  • Integrate with Azure Synapse Analytics, Cosmos DB, and Azure HDInsight Kafka Cluster to scale and analyze your projects and build pipelines
  • Use Databricks SQL to run ad hoc queries on your data lake and create dashboards
  • Productionize a solution using CI/CD for deploying notebooks and Azure Databricks Service to various environments

Description

Azure Databricks is a unified collaborative platform for performing scalable analytics in an interactive environment. The Azure Databricks Cookbook provides recipes to get hands-on with the analytics process, including ingesting data from various batch and streaming sources and building a modern data warehouse. The book starts by teaching you how to create an Azure Databricks instance within the Azure portal, Azure CLI, and ARM templates. You’ll work through clusters in Databricks and explore recipes for ingesting data from sources, including files, databases, and streaming sources such as Apache Kafka and EventHub. The book will help you explore all the features supported by Azure Databricks for building powerful end-to-end data pipelines. You'll also find out how to build a modern data warehouse by using Delta tables and Azure Synapse Analytics. Later, you’ll learn how to write ad hoc queries and extract meaningful insights from the data lake by creating visualizations and dashboards with Databricks SQL. Finally, you'll deploy and productionize a data pipeline as well as deploy notebooks and Azure Databricks service using continuous integration and continuous delivery (CI/CD). By the end of this Azure book, you'll be able to use Azure Databricks to streamline different processes involved in building data-driven apps.

Who is this book for?

This recipe-based book is for data scientists, data engineers, big data professionals, and machine learning engineers who want to perform data analytics on their applications. Prior experience of working with Apache Spark and Azure is necessary to get the most out of this book.

What you will learn

  • Read and write data from and to various Azure resources and file formats
  • Build a modern data warehouse with Delta Tables and Azure Synapse Analytics
  • Explore jobs, stages, and tasks and see how Spark lazy evaluation works
  • Handle concurrent transactions and learn performance optimization in Delta tables
  • Learn Databricks SQL and create real-time dashboards in Databricks SQL
  • Integrate Azure DevOps for version control, deploying, and productionizing solutions with CI/CD pipelines
  • Discover how to use RBAC and ACLs to restrict data access
  • Build end-to-end data processing pipeline for near real-time data analytics
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Publication date, Length, Edition, Language, ISBN-13
Publication date : Sep 17, 2021
Length: 452 pages
Edition : 1st
Language : English
ISBN-13 : 9781789809718
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Publication date : Sep 17, 2021
Length: 452 pages
Edition : 1st
Language : English
ISBN-13 : 9781789809718
Category :
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Table of Contents

11 Chapters
Chapter 1: Creating an Azure Databricks Service Chevron down icon Chevron up icon
Chapter 2: Reading and Writing Data from and to Various Azure Services and File Formats Chevron down icon Chevron up icon
Chapter 3: Understanding Spark Query Execution Chevron down icon Chevron up icon
Chapter 4: Working with Streaming Data Chevron down icon Chevron up icon
Chapter 5: Integrating with Azure Key Vault, App Configuration, and Log Analytics Chevron down icon Chevron up icon
Chapter 6: Exploring Delta Lake in Azure Databricks Chevron down icon Chevron up icon
Chapter 7: Implementing Near-Real-Time Analytics and Building a Modern Data Warehouse Chevron down icon Chevron up icon
Chapter 8: Databricks SQL Chevron down icon Chevron up icon
Chapter 9: DevOps Integrations and Implementing CI/CD for Azure Databricks Chevron down icon Chevron up icon
Chapter 10: Understanding Security and Monitoring in Azure Databricks Chevron down icon Chevron up icon
Other Books You May Enjoy Chevron down icon Chevron up icon

Customer reviews

Top Reviews
Rating distribution
Full star icon Full star icon Full star icon Full star icon Half star icon 4.4
(14 Ratings)
5 star 64.3%
4 star 21.4%
3 star 7.1%
2 star 0%
1 star 7.1%
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Anand Prasad Sep 22, 2021
Full star icon Full star icon Full star icon Full star icon Full star icon 5
A fantastic book , in the era where engineers/authors are very satisfied with high level designs and architecture , this book provides the real time use cases and provides in-depth hands-on experience of Azure Data Bricks. Having worked in Data Bricks for last 2 years , I felt this is a good place to recap and check the implementation details of the data bricks scenarios. Overall a must-read for budding & experienced data professionals who are working in azure data bricks.
Amazon Verified review Amazon
Kensho Sep 19, 2021
Full star icon Full star icon Full star icon Full star icon Full star icon 5
This is a great book to get going with Azure databricks without getting bogged down too much with details of spark internals. Other books currently available are more like an instruction manual to spark. First couple of chapters explain how databricks is set up on top of azure. There are chapters on Spark query execution and spark streaming, but it is to the point, without overwhelming the readers. There are chapters on dealing with various source files (csv,parquet,json). I loved that there are lot of integration aspects with azure ecosystem and this is the USP of the book- Mounting to Databricks, using Azure key vault, Setting up Log Analytics, Setting up security with RBAC and ACLs, connecting to Power BI, connecting to eventhubs, cosmos, Synapse and even using ADF for orchestration. There are dedicated chapters on delta lake (with a lot of details) and SQL Analytics. Folks who are looking to do a deep dive on spark may use learning spark or definitive guide from oreilly. I got this book to understand how to use databricks and it did exactly that.
Amazon Verified review Amazon
tania Sep 20, 2021
Full star icon Full star icon Full star icon Full star icon Full star icon 5
great book very detailed, good read
Amazon Verified review Amazon
Amazon Customer Oct 11, 2021
Full star icon Full star icon Full star icon Full star icon Full star icon 5
This book is very helpfull, it is very well organized. I think the book is quite didactic, which makes learning pretty easy.I love that it is very detail with a lot of detailed examples so you could learn fast.I also loved, that it has theoretical and practical details for a great understanding of databricks.
Amazon Verified review Amazon
Jorge Sep 23, 2021
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Excelente libro , muy completa la explicación de la autora del libro. La parte de dataframe es muy completa .
Amazon Verified review Amazon
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