spark-instrumented-optimizer/docs/sql-ref-syntax-aux-cache.md
Huaxin Gao 125af78d32 [SPARK-28831][DOC][SQL] Document CLEAR CACHE statement in SQL Reference
### What changes were proposed in this pull request?
Document CLEAR CACHE statement in SQL Reference

### Why are the changes needed?
To complete SQL Reference

### Does this PR introduce any user-facing change?
Yes

After change:
![image](https://user-images.githubusercontent.com/13592258/64565512-caf89a80-d308-11e9-99ea-88e966d1b1a1.png)

### How was this patch tested?
Tested using jykyll build --serve

Closes #25541 from huaxingao/spark-28831-n.

Authored-by: Huaxin Gao <huaxing@us.ibm.com>
Signed-off-by: Xiao Li <gatorsmile@gmail.com>
2019-09-09 14:28:55 -07:00

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Markdown

---
layout: global
title: Cache
displayTitle: Cache
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
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
---
* [CACHE TABLE statement](sql-ref-syntax-aux-cache-cache-table.html)
* [UNCACHE TABLE statement](sql-ref-syntax-aux-cache-uncache-table.html)
* [CLEAR CACHE statement](sql-ref-syntax-aux-cache-clear-cache.html)