mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-15 02:41:59 +00:00
18 lines
657 B
SQL
18 lines
657 B
SQL
DROP TABLE IF EXISTS data2013;
|
|
DROP TABLE IF EXISTS data2015;
|
|
|
|
CREATE TABLE data2013 (name String, value UInt32) ENGINE = Memory;
|
|
CREATE TABLE data2015 (data_name String, data_value UInt32) ENGINE = Memory;
|
|
|
|
INSERT INTO data2013(name,value) VALUES('Alice', 1000);
|
|
INSERT INTO data2013(name,value) VALUES('Bob', 2000);
|
|
INSERT INTO data2013(name,value) VALUES('Carol', 5000);
|
|
|
|
INSERT INTO data2015(data_name, data_value) VALUES('Foo', 42);
|
|
INSERT INTO data2015(data_name, data_value) VALUES('Bar', 1);
|
|
|
|
SELECT name FROM (SELECT name FROM data2013 UNION ALL SELECT data_name AS name FROM data2015) ORDER BY name ASC;
|
|
|
|
DROP TABLE data2013;
|
|
DROP TABLE data2015;
|