mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-10-19 15:01:03 +00:00
7 lines
312 B
SQL
7 lines
312 B
SQL
drop table if exists cardinality;
|
|
create table cardinality (x String) engine = MergeTree order by tuple();
|
|
insert into cardinality (x) select concat('v', toString(number)) from numbers(10);
|
|
alter table cardinality add column y LowCardinality(String);
|
|
select * from cardinality;
|
|
drop table if exists cardinality;
|