mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-15 19:02:04 +00:00
23 lines
930 B
SQL
23 lines
930 B
SQL
DROP TABLE IF EXISTS distinct;
|
|
CREATE TABLE distinct (Num UInt32, Name String) ENGINE = Memory;
|
|
|
|
INSERT INTO distinct (Num, Name) VALUES (1, 'John');
|
|
INSERT INTO distinct (Num, Name) VALUES (1, 'John');
|
|
INSERT INTO distinct (Num, Name) VALUES (3, 'Mary');
|
|
INSERT INTO distinct (Num, Name) VALUES (3, 'Mary');
|
|
INSERT INTO distinct (Num, Name) VALUES (3, 'Mary');
|
|
INSERT INTO distinct (Num, Name) VALUES (4, 'Mary');
|
|
INSERT INTO distinct (Num, Name) VALUES (4, 'Mary');
|
|
INSERT INTO distinct (Num, Name) VALUES (5, 'Bill');
|
|
INSERT INTO distinct (Num, Name) VALUES (7, 'Bill');
|
|
INSERT INTO distinct (Num, Name) VALUES (7, 'Bill');
|
|
INSERT INTO distinct (Num, Name) VALUES (7, 'Mary');
|
|
INSERT INTO distinct (Num, Name) VALUES (7, 'John');
|
|
|
|
-- String field
|
|
SELECT Name FROM (SELECT DISTINCT Name FROM distinct) ORDER BY Name;
|
|
-- Num field
|
|
SELECT Num FROM (SELECT DISTINCT Num FROM distinct) ORDER BY Num;
|
|
|
|
DROP TABLE IF EXISTS distinct;
|