Incremental Appends with Append Mode

How do we append newly ingested hourly clickstream log records to an existing fact table?

Expert⏱ 2 Minutes⭐ 940 XP

🤔 THE QUESTION

How do we append newly ingested hourly clickstream log records to an existing fact table?

💡 WHAT IS IT?

mode('append') adds new records to the target destination path without altering or deleting existing files.

🎯 WHAT IS IT USED FOR?

Incremental event log ingestion, hourly batch appends, and time-series history tracking.

💻 EXAMPLE

df.write.mode("append").parquet("warehouse/fact_web_logs")

Practice typing production-grade PySpark code for Incremental Appends with Append Mode.