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Apache Spark job fails with Parquet column cannot be converted error
Problem You are reading data in Parquet format and writing to a Delta table when ...
Spark job fails with Driver is temporarily unavailable
Problem A Databricks notebook returns the following error: Driver is temporarily ...
Prevent duplicated columns when joining two DataFrames
If you perform a join in Spark and don’t specify your join correctly you’ll end u...
Get and set Apache Spark configuration properties in a notebook
In most cases, you set the Spark config (AWS | Azure ) at the cluster level. Howe...
Unexpected cluster termination
Sometimes a cluster is terminated unexpectedly, not as a result of a manual termi...
Create a DataFrame from a JSON string or Python dictionary
In this article we are going to review how you can create an Apache Spark DataFra...
Generate unique increasing numeric values
This article shows you how to use Apache Spark functions to generate unique incre...
Forbidden error while accessing S3 data
Problem While trying to access S3 data using DBFS mount or directly in Spark APIs...
Append to a DataFrame
To append to a DataFrame, use the union method. %scala val firstDF = spark.range(...
How to list and delete files faster in Databricks
Scenario Suppose you need to delete a table that is partitioned by year, month, d...