Re: MYSQL PROBLEM
| From: | php3 at developersdesk dot com | Date: | Tue, 26 Sep 2000 02:36:00 +0000 |
| Subject: | Re: MYSQL PROBLEM | ||
| Groups: | php.general | ||
| Request: | Send a blank email to php-general+get-17471@lists.php.net to get a copy of this message | ||
Addressed to: Dhaval Desai <dhaval_adams@yahoo.com>
php-general@lists.php.net
** Reply to note from Dhaval Desai <dhaval_adams@yahoo.com> Fri, 22 Sep 2000 01:13:52 -0700
(PDT)
>
> Hi! Guys
>
> I have some problem creating a table in mysql. I am trying to make a table
> as below:
>
> create table clickcount (id INT AUTO_INCREMENT NOT NULL PRIMARY_KEY,
> clicks INT);
>
>
> can anybody tell me what is the error..? WHat is the use of primary key
> and Auto increment...??
try this...
CREATE TABLE clickcount( id INT NOT NULL AUTO_INCREMENT,
clicks INT
PRIMARY KEY( id ));
PRIMARY KEY names a field in the table as a unique index on the table, which
is usually the key chosen to access the table. AUTO_INCREMENT causes the
value of the field in a newly INSERTed record to be one higher than the
current highest value for that field. It is very easy to create a unique
identifier for each record that way. Note: when you insert into a table
with an AUTO_INCREMENT field, you don't want to set that field. The
database will do it for you.
Rick Widmer
Internet Marketing Specialists
www.developersdesk.com