You should search for some SQL tutorials on the Web.

What it sounds like you are looking for is the "update" SQL statement 
which modifies an existing row (for your second form, for example). 
Thus, you "insert" the row to create it (which assigns the key using the 
auto increment), then "update" that row to make any modifications you 
need to after that.

Happy hacking.


Axis Computers wrote:

> I'm developing a web application that uses forms for user input and 
> then after each form is filled shows something like Welcome Bob to our 
> site ... bla. bla... inserts data in a table and on the same page 
> continues with the rest of the data, and goes to another form and so on.
> I have no problems inserting the data from the first form in the 
> table, display the personalized message, and then connect to the mySQL 
> db, my problem is some fields in the table which must be filled are 
> null in this first instance, and then on the second form they are filled,
> but my I donīt know how can I fill the gaps and leave all the data in 
> one row, because the first field auto increments, and I'm worried the 
> data instead of filling one row spreads accross two or three.

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