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10 lines
348 B
MySQL
10 lines
348 B
MySQL
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SELECT count() FROM (SELECT number AS x FROM system.numbers LIMIT 10);
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SELECT count(x) FROM (SELECT number AS x FROM system.numbers LIMIT 10);
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SELECT count(x) FROM (SELECT CAST(number AS Nullable(UInt64)) AS x FROM system.numbers LIMIT 10);
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SELECT count(x) FROM (SELECT nullIf(number, 5) AS x FROM system.numbers LIMIT 10);
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SELECT count(NULL);
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