UUID

generates unique string combined with 32 alphanumeric symbols like:

8b652b09-8bb8-11eb-b0ac-b4b52f79163f

UUID

stands for Universally Unique IDentifier and is designed to be unique inside table, across different tables, databases and even servers. Let's add one column

uuid_value

to

students

table for

UUID

values

ALTER TABLE `students` 
ADD `uuid_value` VARCHAR(100) NOT NULL AFTER `id`;

Then update the table to assign

UUID

values

UPDATE students
SET uuid_value = UUID();