mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-10-02 06:30:55 +00:00
25 lines
800 B
MySQL
25 lines
800 B
MySQL
|
drop table if exists test.persons;
|
||
|
|
drop table if exists test.children;
|
||
|
|
|
||
|
|
create table test.persons (
|
||
|
|
id String,
|
||
|
|
name String
|
||
|
|
) engine MergeTree order by id;
|
||
|
|
|
||
|
|
create table test.children (
|
||
|
|
id String,
|
||
|
|
childName String
|
||
|
|
) engine MergeTree order by id;
|
||
|
|
|
||
|
|
insert into test.persons (id, name) values ('1', 'John'), ('2', 'Jack'), ('3', 'Daniel'), ('4', 'James'), ('5', 'Amanda');
|
||
|
|
insert into test.children (id, childName) values ('1', 'Robert'), ('1', 'Susan'), ('3', 'Sarah'), ('4', 'David'), ('4', 'Joseph'), ('5', 'Robert');
|
||
|
|
|
||
|
|
|
||
|
|
select * from test.persons all inner join test.children using id;
|
||
|
|
|
||
|
|
select * from test.persons all inner join (select * from test.children) as j using id;
|
||
|
|
|
||
|
|
select * from (select * from test.persons) as s all inner join (select * from test.children) as j using id;
|
||
|
|
|
||
|
|
|