#mysql rand function

MySQL has a RAND function that can be invoked to produce random numbers between 0 and 1: mysql> SELECT RAND( ), RAND( ), RAND( ); +——————+—————–+——————+ | 0.45464584925645 | 0.1824410643265 | 0.54826780459682 | +——————+—————–+——————+ 1 row in set (0.00 sec) When invoked with an integer argument, RAND( ) uses that value to seed the random number generator. Each time you seed the generator with a…