Start Here
Search & Browse the Databricks Knowledge Base.Help Topics
Whether it's a very specific question, or a vague one, we have it covered in our knowledge base.Popular Articles
Unexpected cluster termination
Sometimes a cluster is terminated unexpectedly, not as a result of a manual termi...
Spark job fails with Driver is temporarily unavailable
Problem When running notebooks or jobs on a cluster, they run successfully multip...
How to improve performance of Delta Lake MERGE INTO queries using partition pruning
This article explains how to trigger partition pruning in Delta Lake MERGE INTO (...
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 ...
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...
Append to a DataFrame
To append to a DataFrame, use the union method. %scala val firstDF = spark.range(...
SSO server redirects to original URL, not to vanity Databricks URL
Problem When you log into Databricks using a vanity URL (such as mycompany.cloud....
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...
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...
Generate unique increasing numeric values
This article shows you how to use Apache Spark functions to generate unique incre...