srowen commented on a change in pull request #25526: [SPARK-28807][DOC]
Document SHOW DATABASES in SQL Reference
URL: https://github.com/apache/spark/pull/25526#discussion_r316325647
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File path: docs/sql-ref-syntax-aux-show-databases.md
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@@ -19,4 +19,31 @@ license: |
limitations under the License.
---
-**This page is under construction**
+### Description
+Lists the databases that match a optionally supplied string pattern. If no
+pattern is supplied then the command lists all the databases in the system.
+Please note that the usage of SCHEMAS and DATABASES are interchangable
+and mean the same thing.
+
+### Syntax
+{% highlight sql %}
+SHOW {DATABASES|SCHEMAS} [LIKE 'pattern']
+{% endhighlight %}
+
+### Parameters
+##### ***LIKE 'pattern'***:
+A string pattern that is used to match the databases. In pattern, * matches
any number of characters.
Review comment:
Back tick `*` or quote it. So this doesn't work like SQL LIKE where `%` is a
wildcard?
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