ClickHouse/docs/en/system_tables/system.numbers.md
2018-04-23 09:20:21 +03:00

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# system.numbers
This table contains a single UInt64 column named 'number' that contains almost all the natural numbers starting from zero.
You can use this table for tests, or if you need to do a brute force search.
Reads from this table are not parallelized.