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Data Ingestion with Python Cookbook

Data Ingestion with Python Cookbook

By : Gláucia Esppenchutz
4.5 (4)
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Data Ingestion with Python Cookbook

Data Ingestion with Python Cookbook

4.5 (4)
By: Gláucia Esppenchutz

Overview of this book

Data Ingestion with Python Cookbook offers a practical approach to designing and implementing data ingestion pipelines. It presents real-world examples with the most widely recognized open source tools on the market to answer commonly asked questions and overcome challenges. You’ll be introduced to designing and working with or without data schemas, as well as creating monitored pipelines with Airflow and data observability principles, all while following industry best practices. The book also addresses challenges associated with reading different data sources and data formats. As you progress through the book, you’ll gain a broader understanding of error logging best practices, troubleshooting techniques, data orchestration, monitoring, and storing logs for further consultation. By the end of the book, you’ll have a fully automated set that enables you to start ingesting and monitoring your data pipeline effortlessly, facilitating seamless integration with subsequent stages of the ETL process.
Table of Contents (17 chapters)
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1
Part 1: Fundamentals of Data Ingestion
9
Part 2: Structuring the Ingestion Pipeline

Configuring a JDBC connection

Working with different systems brings the challenge of finding an efficient way to connect the systems. An adaptor, or a driver, is the solution to this communication problem, creating a bridge to translate information from one system to another.

JDBC, or Java Database Connectivity, is used to facilitate communication between Java-based systems and databases. This recipe covers configuring JDBC in SparkSession to connect to a PostgreSQL database, using best practices as always.

Getting ready

Before configuring SparkSession, we need to download the .jars file (Java Archive). You can do this at https://jdbc.postgresql.org/ on the PostgreSQL official site.

Select Download, and you will be redirected to another page:

Figure 5.1 – PostgreSQL JDBC home page

Figure 5.1 – PostgreSQL JDBC home page

Then, select the Java 8 Download button.

Keep this .jar file somewhere safe, as you will need it later. I suggest keeping it inside the folder where your...

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