If you are going to implement real security, it shouldn't matter if
someone nows the "unique id" of a record. You should be checking if
they have the right to see that record.
But regardless, there is an easy way to set random ids as your
"unique" identifier. Setup 2 fields, one being the random number of
string that you generate, the other being an auto_increment field.
You primary key will be the combination of these field (random
+autoincrement). The auto_increment field will almost always be 1
until there is a conflict with the random ids, in which case it will
increment. The downside is that all your queries (joins too) will
need to reference 2 fields instead of 1.
On Aug 7, 2007, at 8:05 AM, shivendra wrote:
Hi, I'm looking for some basic help. I am developing a MySQL
database and
want to auto increment a field, but I don't want it to just count
1,2,3,
etc. I want the field to be a combination of letters and numbers,
at least 8
digits long, completely random for security porposes, but do this
automatically, everytime a record is added. For example, ord5001,
ord5002,
ord5003, etc. Does anyone know how to do this in MySQL?
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