forked from docs/doc-exports
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com> Co-authored-by: Su, Xiaomeng <suxiaomeng1@huawei.com> Co-committed-by: Su, Xiaomeng <suxiaomeng1@huawei.com>
3.9 KiB
3.9 KiB
rand
This function is used to return an evenly distributed random number that is greater than or equal to 0 and less than 1.
Syntax
rand(INT seed)
Parameters
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
seed |
No |
INT |
The value can be a float, integer, or string. If this parameter is specified, a stable random number sequence is obtained within the same running environment. |
Return Values
The return value is of the DOUBLE type.
Example Code
The value 0.3668915240363728 is returned.
select rand();
The value 0.25738143505962285 is returned.
select rand(3);
Parent topic: Mathematical Functions