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Frequently Asked Questions

What are spark variables in datdatabricks notebooks?

Databricks Notebooks have some Apache Spark variables already defined: Spark Context is an object that tells Spark how and where to access a cluster. Spark Session is the entry point for reading data and execute SQL queries over data and getting the results.

How do I view the data in Databricks?

View the Dataset To view the data in a tabular format instead of exporting it to a third-party tool, you can use the Databricks display () command.

How do I read a JSON file from a Databricks dataset?

To read a JSON file, you also use the SparkSession variable spark. The easiest way to start working with Datasets is to use an example Databricks dataset available in the /databricks-datasets folder accessible within the Databricks workspace.

What is a notebook in a document?

A notebook is a web-based interface to a document that contains runnable code, visualizations, and narrative text. This section describes how to manage and use notebooks.

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