[clickhouse@bogon ~]$ clickhouse-server
[clickhouse@bogon ~]$ clickhouse-client
ClickHouse client version 20.10.1.1.
Connecting to localhost:9000 as user default.
Connected to ClickHouse server version 20.10.1 revision 54441.

bogon :) show databases;

SHOW DATABASES

┌─name───────────────────────────┐
│ _temporary_and_external_tables │
│ default                        │
│ system                         │
└────────────────────────────────┘

3 rows in set. Elapsed: 0.011 sec.