How to add new column family to an existing HBase table?

Question

I created a table by

create \'tablename\', \'columnfamily1\'

Now is it possible to add another column family \'columnfamily2\'? What is the

Answer 1

alter 'tablename', NAME => 'newcolumnfamily', VERSIONS => 50

you can specify various properties of the new column family separated by a comma (,)