At 3:14 PM +0200 2000-01-30, indrek siitan wrote:
>Hey,
>
>> MySQL is supporting auto_increment, in relation to which you can use
>> LAST_INSERT_ID() function to know what is the new value.
>> It differs from sequences in the step , which is always 1.
>
>.. and don't forget to mention the other difference from a
>sequence - auto_increment doesn't insure unique ID's (the
>"famous" insert > delete last record > insert sequence)
That is incorrect. All the values in the table are still *unique*.
That is, there are no duplicates in the table.
The values generated may not be strictly *monotonic*, but that's
a different thing. If you're using MyISAM tables, this behavior
does not occur, values are not reused.
--
Paul DuBois, paul@stripped
