UNCACHE TABLE

Applies to: check marked yes Databricks Runtime

Removes the entries and associated data from the in-memory and/or on-disk cache for a given table or view in Apache Spark cache. The underlying entries should already have been brought to cache by previous CACHE TABLE operation. UNCACHE TABLE on a non-existent table throws an exception if IF EXISTS is not specified.

Syntax

UNCACHE TABLE [ IF EXISTS ] table_name

See Disk cache vs. Spark cache for the differences between disk caching and the Apache Spark cache.

Parameters

table_name

Identifies the Delta table or view to cache. The name must not include a temporal specification or options specification.

Examples

> UNCACHE TABLE t1;