Cassandra is not schemaless. Not all nosql databases are schemaless either, the term is a little outdated since many nosql databases now support some or all of ansi SQL. Cassandra does not though, just a very limited subset called CQL
On Sun, Dec 15, 2019, 8:04 PM lampahome <pahome.c...@mirlab.org> wrote: > I read some difference between nosql and sql, and one obvious differences > is nosql supporting schemaless. > > But I try it in cassandra and get result not like that. > > Ex: > cqlsh:key> Create table if not exists yo (blk bigint primary key, count > int); > cqlsh:key> insert into yo (blk, count, test) values (2,4,'123'); > > It shows message="Undefined column name test" > > So cassandra isn't schemaless? >
