Timestamp Field not Auto Update

I have a registration table with a timestamp field that I want to use the current timestamp when someone registers. If you just create a timestamp field in mysql, it acts as though you did:

`regdate` timestamp NOT NULL default CURRENT_TIMESTAMP on update CURRENT_TIMESTAMP

This is fine and dandy for some applications, but any time you update the record, it will update the timestamp. I did not want this. So, you can just create the table with:

`regdate` timestamp NOT NULL default CURRENT_TIMESTAMP

But, if like me, you have to alter the table, it' simple enough to do with:

ALTER TABLE registration CHANGE regdate regdate timestamp default CURRENT_TIMESTAMP;

Resources:

Timestamp

Alter Table