the structur is like:
id, item name, items in stock , frogserialnumber, status
1, frog, 7, 002121, Reserved
2, frog, 7, 101011, Free
1, frog, 7, 212001, Free
that's why I want to mark only N entries "Reserved",
"Lawrence Sheed" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]
...
> Have you thought about your database design carefully?
>
> You might want to create a column for item count
>
> eg
>
> id, item name, items in stock
> 1, frog, 7
>
> if, say a customer orders 3 frogs, decrement the items in stock by 3.
>
> Just an idea...
>
> Do you know about database normalization? How is the database designed?
>
>
>
> -----Original Message-----
> From: elias [mailto:[EMAIL PROTECTED]]
> Sent: August 2, 2001 6:32 PM
> To: [EMAIL PROTECTED]
> Subject: Re: [PHP] MySql help #1
>
>
> Someone purchased items from my site let's say 3 items out of 5 total. All
> items are the same. I just want to update 3 items status to "Reserved".
> When he buy he just tell how many and not which ones.
>
> "Lawrence Sheed" <[EMAIL PROTECTED]> wrote in message
>
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]
> ..
> > Sounds like a strange request, what are you trying to do?
> >
> > I don't think you can do this directly in mysql, but you could build an
> > array of results in php.
> >
> > eg something like (crappy code below)
> >
> > //Grab results
> > $db = mysql_connect($db_domain, $db_user,$db_password);
> > mysql_select_db($db_databasename,$db);
> > $sqlquery="select ID from table1 where condition1";
> > $result = mysql_query ($sqlstring,$db);
> > $count=0;
> > while ($resultset = mysql_fetch_array ($result)) {
> > $array[$count]=$resultset ["ID"];
> > $count++;
> > }
> >
> >
> > for ($count=0;$count<2;$count++){
> > "update table1 set field='VALUE' WHERE ID=".$array[$count]";
> > $result = mysql_query ($sqlstring,$db) or die (mysql_error());
> > }
> >
> > -----Original Message-----
> > From: elias [mailto:[EMAIL PROTECTED]]
> > Sent: August 2, 2001 4:30 PM
> > To: [EMAIL PROTECTED]
> > Subject: [PHP] MySql help #1
> >
> >
> > How can I update only N fields from the database?
> >
> > usually we do:
> >
> > UPDATE table1 SET field='VALUE' WHERE condition1
> >
> > now I want to update fields with a certain condition but only X fields
out
> N
> > total fields.
> >
> > ie:
> >
> > id value
> > --- -------
> > 1 a
> > 2 b
> > 3 c
> > 4 d
> > 5 e
> >
> > how can i update such like:
> > UPDATE table1 SET {only 2 records} value='aa'
> > so I have any two fields now have the 'aa' value
> >
> >
> >
> >
> >
> > --
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>
>
>
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