Indhumathi27 commented on a change in pull request #3720:
URL:
https://github.com/apache/carbondata/pull/3720#discussion_r412129315##########
File path: docs/mv-guide.md
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+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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+
+# CarbonData Materialized View
+
+* [Quick Example](#quick-example)
+* [Introduction](#introduction)
+* [Loading Data](#loading-data)
+* [Querying Data](#querying-data)
+* [Compaction](#compacting)
+* [Data Management](#data-management)
+* [Time Series Support](#time-series-support)
+* [Time Series RollUp Support](#time-series-rollup-support)
+
+## Quick example
+
+ Start spark-sql in terminal and run the following queries,
+
+ ```
+ CREATE TABLE maintable(a int, b string, c int) stored as carbondata;
+ INSERT INTO maintable SELECT 1, 'ab', 2;
+ CREATE MATERIALIZED VIEW view1 AS SELECT a, sum(b) FROM maintable GROUP BY a;
+ SELECT a, sum(b) FROM maintable GROUP BY a;
+ // NOTE: run explain query and check if query hits the Index table from the plan
+ EXPLAIN SELECT a, sum(b) FROM maintable GROUP BY a;
+ ```
+
+## Introduction
+
+ Materialized views are created as sub-queries. User can create limitless materialized view to
Review comment:
created as sub-queries? Please change the statement. Would be "Materialized views are managed as child tables internally by carbondata"
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