Inserting random characters to MYSQL Database

Question

I want to add 100 entry to users table numbers field, random characters length is 10, all entry should be unique as well. How can i achieve this using MYSQL query code ?

Answer 1

in mysql u can do like :

insert into table ( SUBSTRING(MD5(RAND()) FROM 1 FOR 10) , field2 , field3) , ( SUBSTRING(MD5(RAND()) FROM 1 FOR 10) , field2 , field3) , .........

..............

in php see this 2 links :

Short unique id in php

What is the best way to generate a random key within PHP?