Right, do not use the field numerical index technique for retrieving
data. If you or the next developer add a new column to a table you will
likely mess up the numeric index count.

I have come to use aliasing table names and column names even when it
isn't 'necessary'. I find that later if I need to add another table join
or add six new columns to two different tables. My queries are extremely
flexible and take to these SQL changes easily. 

Lastly, by aliasing database table column names to some really friendly
term to use in your PHP code (such as MySQL column name 'seq_id' to
alias 'sequential_product_id'), when you come back 9 months later you
still know exactly what you're doing.

Peter



-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Rob Marscher
Sent: Wednesday, February 14, 2007 9:20 AM
To: MySQL SIG
Subject: Re: [mysql] Syntax / PHP


[EMAIL PROTECTED] wrote:
> The tables I have are the following with the field 'Name' appearing in

> each table:
>
> `section`.`Name`
> `district`.`Name`
> `building`.`Name`
>
> Then I have:
>
> $Section = $row[Name];
> $Building = $row[Name];
>
> See my problem? "Name" is the same field name in two different tables.

> I tried to do something like:

You need to give an alias for each of those name columns in order to 
access it that way:

Select section.Name as section_name, district.Name as district_name,
etc...

Then you can do:

$Section = $row['section_name'];

Alternatively, you can access them by the numerical index in $row, but 
that's not very reliable because if your query changes at all, you'll 
have to update your variable assignments.  This is what I'm talking
about:

Select section.Name, district.Name, etc...

$Section = $row[0];
$District = $row[1];

I'd recommend the first way.


-Rob
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