[SPARK-28798][DOC][SQL]Document DROP TABLE/VIEW statement in SQL Reference.

docs/sql-ref-syntax-ddl-drop-table.md

@@ -19,4 +19,69 @@ license: |
   limitations under the License.
 ---
 
-**This page is under construction**
+### Description
+
+Deletes the table and removes the directory associated with this table from the file system
+if this is not `EXTERNAL` table. If the table is not present it throws an exception.
+
+In case of External table, only the associated metadata information are removed from the metastore database.
+
+### Syntax
+{% highlight sql %}
+DROP TABLE [IF EXISTS] [database_name.]table_name
+{% endhighlight %}
+
+### Parameter
+<dl>
+  <dt><code><em>IF EXISTS</em></code></dt>
+  <dd>
+     If specified, no exception is thrown when the table does not exist.
+  </dd>
+  <dt><code><em>database_name</em></code></dt>
+  <dd>
+     Specifies the database name where table is present.
+  </dd>
+  <dt><code><em>table_name</em></code></dt>
+  <dd>
+     Specifies the table name to be dropped.
+  </dd>
+</dl>
+
+### Example
+{% highlight sql %}
+-- Assumes a table name `employeetable` exist.
+DROP TABLE employeetable;
++---------+--+
+| Result  |
++---------+--+
++---------+--+
+
+-- Assumes a table name `employeetable` exist in `userdb` database
+DROP TABLE userdb.employeetable;
++---------+--+
+| Result  |
++---------+--+
++---------+--+
+
+-- Assumes a table name `employeetable` does not exist.
+-- Throws exception
+DROP TABLE employeetable;
+Error: org.apache.spark.sql.AnalysisException: Table or view not found: employeetable;
+(state=,code=0)
+
+-- Assumes a table name `employeetable` does not exist,Try with IF EXISTS
+-- this time it will not throw exception
+DROP TABLE IF EXISTS employeetable;
++---------+--+
+| Result  |
++---------+--+
++---------+--+
+
+{% endhighlight %}
+
+### Related Statements
+- [CREATE TABLE ](sql-ref-syntax-ddl-create-table.html)
+- [CREATE DATABASE](sql-ref-syntax-ddl-create-database.html)
+- [DROP DATABASE](sql-ref-syntax-ddl-drop-database.html)
+
+

docs/sql-ref-syntax-ddl-drop-view.md

@@ -19,4 +19,63 @@ license: |
   limitations under the License.
 ---
 
-**This page is under construction**
+### Description
+DROP VIEW removes the metadata associated with a specified view from the catalog.
+
+### Syntax
+{% highlight sql %}
+DROP VIEW [IF EXISTS] [database_name.]view_name
+{% endhighlight %}
+
+### Parameter
+<dl>
+  <dt><code><em>IF EXISTS</em></code></dt>
+  <dd>
+     If specified, no exception is thrown when the view does not exist.
+  </dd>
+  <dt><code><em>database_name</em></code></dt>
+  <dd>
+     Specifies the database name where view is present.
+  </dd>
+  <dt><code><em>view_name</em></code></dt>
+  <dd>
+     Specifies the view name to be dropped.
+  </dd>
+</dl>
+
+### Example
+{% highlight sql %}
+-- Assumes a view name `employeeView` exist.
+DROP VIEW employeeView;
++---------+--+
+| Result  |
++---------+--+
++---------+--+
+
+-- Assumes a view name `employeeView` exist in `userdb` database
+DROP VIEW userdb.employeeView;
++---------+--+
+| Result  |
++---------+--+
++---------+--+
+
+-- Assumes a view name `employeeView` does not exist.
+-- Throws exception
+DROP VIEW employeeView;
+Error: org.apache.spark.sql.AnalysisException: Table or view not found: employeeView;
+(state=,code=0)
+
+-- Assumes a view name `employeeView` does not exist,Try with IF EXISTS
+-- this time it will not throw exception
+DROP VIEW IF EXISTS employeeView;
++---------+--+
+| Result  |
++---------+--+
++---------+--+
+
+{% endhighlight %}
+
+### Related Statements
+- [CREATE VIEW ](sql-ref-syntax-ddl-create-view.html)
+- [CREATE DATABASE](sql-ref-syntax-ddl-create-database.html)
+- [DROP DATABASE](sql-ref-syntax-ddl-drop-database.html)