RAND() - Random Value Generator

Q

How to generate a random value using the RAND() function?

✍: FYIcenter.com

A

RAND(s) is a MySQL built-in function that returns the random value. For example:

SELECT RAND(), RAND(), RAND(3.14);
  -- +--------------------+--------------------+--------------------+
  -- | RAND()             | RAND()             | RAND(3.14)         |
  -- +--------------------+--------------------+--------------------+
  -- | 0.5206212648382609 | 0.5714487923043303 | 0.9057697559760601 |
  -- +--------------------+--------------------+--------------------+

Reference information of the RAND() function:

RAND(s): v
  Returns a random floating-point value v in the range 0 <= v < 1.0

Arguments, return value and availability:
  s: Optional. The seed value used in the random generation algorithm
  v: Return value. The random value
  Available since MySQL 4.0.

⇒ ROUND() - Rounding to Decimal Place

⇐ RADIANS() - Degrees to Radians

⇑ MySQL Functions on Numeric Values

⇑⇑ MySQL Function References

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