--task 1 create table mdrozdov.logs3 on CLUSTER clickhouse_cluster ( log_id Int, ts DateTime ) engine = ReplicatedMergeTree( '/clickhouse/tables/{shard}/mdrozdov/logs3', '{replica}' ) order by ts alter table mdrozdov.logs3 add index idx_ts ts type minmax GRANULARITY 2; select * from mdrozdov.logs3 where ts between '2024-06-02' and '2024-06-03' SELECT query, read_rows, result_rows, read_bytes FROM system.query_log WHERE query LIKE '%logs%' ORDER BY event_time DESC LIMIT 1; -- task 2 create table mdrozdov.clicks on CLUSTER clickhouse_cluster ( id UInt64, country String ) engine = ReplicatedMergeTree( '/clickhouse/tables/{shard}/mdrozdov/clicks', '{replica}' ) order by id alter table mdrozdov.clicks add index idx_country country type set(100) GRANULARITY 2 Explain select * from mdrozdov.clicks where country = 'RU' -- task 3 create table mdrozdov.users on CLUSTER clickhouse_cluster ( id UInt64, email String ) engine = ReplicatedMergeTree( '/clickhouse/tables/{shard}/mdrozdov/users', '{replica}' ) order by id ALTER TABLE mdrozdov.users ADD INDEX idx_email email TYPE bloom_filter(0.01) GRANULARITY 2; SELECT * FROM mdrozdov.users WHERE email = 'alice@mail.com';