To create Column need to add some code in storage-conf.xml.The next thing we need to do is to locate and configure the database storage-conf.xml file.which is found in conf folder.Open the storage-conf.xml in your favorite text editor.now Add the following code under tag. <Keyspace Name="Blog"> <ColumnFamily Name="Post" ColumnType="Super" CompareWith="UTF8Type" CompareSubcolumnsWith="UTF8Type" Comment="A column family with supercolumns, whose column and subcolumn names are UTF8 strings" ...