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23 lines
930 B
SQL
23 lines
930 B
SQL
DROP TABLE IF EXISTS distinct;
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CREATE TABLE distinct (Num UInt32, Name String) ENGINE = Memory;
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INSERT INTO distinct (Num, Name) VALUES (1, 'John');
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INSERT INTO distinct (Num, Name) VALUES (1, 'John');
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INSERT INTO distinct (Num, Name) VALUES (3, 'Mary');
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INSERT INTO distinct (Num, Name) VALUES (3, 'Mary');
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INSERT INTO distinct (Num, Name) VALUES (3, 'Mary');
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INSERT INTO distinct (Num, Name) VALUES (4, 'Mary');
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INSERT INTO distinct (Num, Name) VALUES (4, 'Mary');
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INSERT INTO distinct (Num, Name) VALUES (5, 'Bill');
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INSERT INTO distinct (Num, Name) VALUES (7, 'Bill');
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INSERT INTO distinct (Num, Name) VALUES (7, 'Bill');
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INSERT INTO distinct (Num, Name) VALUES (7, 'Mary');
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INSERT INTO distinct (Num, Name) VALUES (7, 'John');
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-- String field
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SELECT Name FROM (SELECT DISTINCT Name FROM distinct) ORDER BY Name;
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-- Num field
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SELECT Num FROM (SELECT DISTINCT Num FROM distinct) ORDER BY Num;
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DROP TABLE IF EXISTS distinct;
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