[clickhouse] ck remotely accesses another ck

Code

CREATE TABLE tmp.tbs
 as remote( host, database_name, table_name, user, password );

It is equivalent to requesting ck2 directly from ck1

Reference documentation
https://github.com/ClickHouse/ClickHouse/issues/15295
https://clickhouse.com/docs/zh/sql-reference/table-functions/remote