0001 ---
0002 layout: global
0003 title: CLEAR CACHE
0004 displayTitle: CLEAR CACHE
0005 license: |
0006 Licensed to the Apache Software Foundation (ASF) under one or more
0007 contributor license agreements. See the NOTICE file distributed with
0008 this work for additional information regarding copyright ownership.
0009 The ASF licenses this file to You under the Apache License, Version 2.0
0010 (the "License"); you may not use this file except in compliance with
0011 the License. You may obtain a copy of the License at
0012
0013 http://www.apache.org/licenses/LICENSE-2.0
0014
0015 Unless required by applicable law or agreed to in writing, software
0016 distributed under the License is distributed on an "AS IS" BASIS,
0017 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
0018 See the License for the specific language governing permissions and
0019 limitations under the License.
0020 ---
0021
0022 ### Description
0023
0024 `CLEAR CACHE` removes the entries and associated data from the in-memory and/or on-disk cache for all cached tables and views.
0025
0026 ### Syntax
0027
0028 ```sql
0029 CLEAR CACHE
0030 ```
0031
0032 ### Examples
0033
0034 ```sql
0035 CLEAR CACHE;
0036 ```
0037
0038 ### Related Statements
0039
0040 * [CACHE TABLE](sql-ref-syntax-aux-cache-cache-table.html)
0041 * [UNCACHE TABLE](sql-ref-syntax-aux-cache-uncache-table.html)
0042 * [REFRESH TABLE](sql-ref-syntax-aux-refresh-table.html)
0043 * [REFRESH](sql-ref-syntax-aux-cache-refresh.html)
