Merge Operation Explained in PySpark | Insert, Update & Delete Data
In this video, we will learn the PySpark Merge operation, one of the most powerful ways to insert, update, or delete records in Delta tables. We’ll explore how to perform merges using SQL and PySpark, manage custom columns, and handle different match conditions efficiently.
What you’ll learn:
🔁 How MERGE INTO works in PySpark and Databricks
🧩 Using Merge for Insert, Update, and Delete in target tables
📊 How to handle matched and not matched conditions
🕒 Adding custom timestamps for insert and update tracking
✨ Using *SET * and INSERT ** for automatic column mapping
💻 Merge using SQL syntax and PySpark (spark.sql)
⚙️ Best practices for data synchronization and delta operations
#merge #pyspark #databricks #deltalake