[CARBONDATA-3840] Mark features as experimental
Why is this PR needed?
Mark features as experimental because they are subject to change in future.
What changes were proposed in this PR?
Mark features as experimental because they are subject to change in future.
Does this PR introduce any user interface change?
No
Is any new testcase added?
No
This closes #3783
diff --git a/README.md b/README.md
index 2d9fcc7..0293c4c 100644
--- a/README.md
+++ b/README.md
@@ -69,6 +69,14 @@
* [Carbon as Spark's Datasource](https://github.com/apache/carbondata/blob/master/docs/carbon-as-spark-datasource-guide.md)
* [FAQs](https://github.com/apache/carbondata/blob/master/docs/faq.md)
+## Experimental Features
+
+Some features are marked as experimental because the syntax/implementation might change in the future.
+1. Hybrid format table using Add Segment.
+2. Accelerating performance using MV on parquet/orc.
+3. Merge API for Spark DataFrame.
+4. Hive write for non-transactional table.
+
## Integration
* [Hive](https://github.com/apache/carbondata/blob/master/docs/hive-guide.md)
* [Presto](https://github.com/apache/carbondata/blob/master/docs/prestodb-guide.md)
