layout: global title: UNCACHE TABLE displayTitle: UNCACHE TABLE license: | Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
UNCACHE TABLE
removes the entries and associated data from the in-memory and/or on-disk cache for a given table or view. 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.
UNCACHE TABLE [ IF EXISTS ] table_identifier
table_identifier
Specifies the table or view name to be uncached. The table or view name may be optionally qualified with a database name.
Syntax: [ database_name. ] table_name
UNCACHE TABLE t1;