1 create table main_table (number UInt64) engine = MergeTree order by tuple(); create materialized view mv_1 engine = MergeTree order by tuple() as select number, toString(number) from main_table where number % 13 != 0; create materialized view mv_2 engine = MergeTree order by tuple() as select number, toString(number) from main_table where number % 13 != 1; create materialized view mv_3 engine = MergeTree order by tuple() as select number, toString(number) from main_table where number % 13 != 3; create materialized view mv_4 engine = MergeTree order by tuple() as select number, toString(number) from main_table where number % 13 != 4; SYSTEM STOP MERGES main_table SYSTEM STOP MERGES mt_1 SYSTEM STOP MERGES mt_2 SYSTEM STOP MERGES mt_3 SYSTEM STOP MERGES mt_4 insert into main_table select number from numbers(10000000) drop table if exists main_table; drop table if exists mv_1; drop table if exists mv_2; drop table if exists mv_3; drop table if exists mv_4;