Merge pull request #7737 from mesutcang/master

* pr/7737:
  Improve Cassandra sample README documentation

spring-boot-samples/spring-boot-sample-data-cassandra/README.adoc

@@ -1,4 +1,12 @@
+= Spring Boot Sample Data Cassandra
 
+To run the project, need to run below `cql` commands on Cassandra.
 
-CREATE KEYSPACE mykeyspace WITH REPLICATION = { 'class' : 'SimpleStrategy', 'replication_factor' : 1 };
+== Keyspace Creation in Cassandra
+[source,indent=0]
+----
+	CREATE KEYSPACE mykeyspace WITH REPLICATION = { 'class' : 'SimpleStrategy', 'replication_factor' : 1 };
+----
 
+== Table Creation in Cassandra
+Run `cql` using the  link:src/test/resources/setup.cql[setup script] located in resources folder.