Snowflake - Build and Architect Data Pipelines Using AWS - Lab - Deploy a PySpark Transformation job in AWS Glue

The video tutorial guides viewers through the process of copying data from S3 to a table, using PySpark and Snowflake. It covers setting up the Spark session, writing SQL commands, creating DataFrames, performing data transformations, and executing inner joins. The tutorial also explains how to aggregate data and write the results to a Snowflake table. Finally, it demonstrates configuring and running the job in AWS Glue, including setting parameters like the number of workers and job timeout.

Explain the process of joining the two data frames.

What is the significance of the 'override' mode when writing the result dataframe into a Snowflake table?