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postgres=#
postgres=# --random(): Returns a pseudo-random value from 0.0 to 1.0
postgres=# SELECT random() AS natural_random,
postgres-# round(random() * 9) + 1 AS one_through_ten,
postgres-# trunc(random() * 99) + 1 AS one_through_one_hundred;
natural_random | one_through_ten | one_through_one_hundred
-------------------+-----------------+-------------------------
0.946445006386584 | 6 | 90
(1 row)
postgres=#
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