问题 I am new to cassandra and I read some articles about static and dynamic column family. It is mentioned ,From Cassandra 3 table and column family are same. I created key space, some tables and inserted data into that table. CREATE TABLE subscribers( id uuid, email text, first_name text, last_name text, PRIMARY KEY(id,email) ); INSERT INTO subscribers(id,email,first_name,last_name) VALUES(now(),'Test@123.com','Test1','User1'); INSERT INTO subscribers(id,email,first_name,last_name) VALUES(now(),