[GitHub] [spark] PavithraRamachandran commented on a change in pull request #26970: [SPARK-28825][SQL][DOC] Documentation for Explain Command

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PavithraRamachandran commented on a change in pull request #26970: [SPARK-28825][SQL][DOC] Documentation for Explain Command
URL: https://github.com/apache/spark/pull/26970#discussion_r360912660
 
 

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 File path: docs/sql-ref-syntax-qry-explain.md
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 @@ -19,4 +19,157 @@ license: |
   limitations under the License.
 ---
 
-**This page is under construction**
+### Description
+
+The `EXPLAIN` statement provides the execution plan for the statement. 
+By default, `EXPLAIN` provides information about the physical plan.
+`EXPLAIN` does not support 'DESCRIBE TABLE' statement.
+
+
+### Syntax
+{% highlight sql %}
+EXPLAIN [EXTENDED | CODEGEN] statement
+{% endhighlight %}
+
+### Parameters
+
+<dl>
+  <dt><code><em>EXTENDED</em></code></dt>
+  <dd>Generates Parsed Logical Plan, Analyzed Logical Plan, Optimized Logical Plan and Physical Plan.</dd>
 
 Review comment:
   @srowen I have added some additional information. Could you check if that is ok?

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