[GitHub] [spark] dilipbiswal commented on a change in pull request #25526: [SPARK-28807][DOC] Document SHOW DATABASES in SQL Reference

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dilipbiswal 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_r316337229
 
 

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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:
   @srowen changed to use backtick. Actually only "*" works as a wildcard for this statement.

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