Managing the Spark Catalog

How do we list active catalog tables and explicitly drop temporary views to release catalog state?

Advanced⏱ 2 Minutes⭐ 710 XP

🤔 THE QUESTION

How do we list active catalog tables and explicitly drop temporary views to release catalog state?

💡 WHAT IS IT?

Using spark.catalog methods (listTables, dropTempView) to inspect and clean up registered catalog entities.

🎯 WHAT IS IT USED FOR?

Session lifecycle management, preventing catalog naming collisions, and freeing metadata resources.

💻 EXAMPLE

spark.catalog.listTables()
spark.catalog.dropTempView("v_customers")

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