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Within a MYSQL database, is it possible to set up a column as a function (similar to Excel) For example if I have a column titled "sales" and a column titled "Costs" can I set up a column called "Profit" that will automatically subtract "Costs" from "Sales"?

I know how to use links to show photos, etc. , but how would I go about allowing a user to post photos on my site that may not have the photos anywhere else (on another site). I have added functionality where they place the address for photos into a form and when it shows their dat the photo...

I am getting a lot of use out of data uploads to MySql databases via PHP, but would like to expand into uploading photos. Can anyone name a good source (book) that would team me how to write code for this? Is it even PHP?

When I dont filter any of the search criteria it is bringing back the company names, but I cant get it to display any information in the table other than the field "COMPANY". In fact I want all the fields displayed for each company. When I filter on the search criteria I get messages that...

It is pulling some info back.

That's just it... I am not sure where it is failing. I like the format of the search criteria page www.bizpitches.com/bizpitches.php but it is not bring back what I would like, and if I use criteria other than company it has errors.

The current result can be seen when you hit the submit button at www.bizpitches.com/bizpitches.php

My desired outpost is to list all of the entries that match the search criteria. Ideally, the output would look something like this. It would have this inormation for each entry that matches the criteria (so for company 1 all of this information will be displayed, and below company 1 would be...

As previously stated, I am brand new to PHP and have been relying on books to learn how to use it. That being the case, I am having trouble customizing it. Any help is really appreciated because I dont know what I am doing wrong. Here is the scenario. I have a database that is populated from...

If I have one screen where I have someone enter their website into a field that uses PHP to post it into a MySql database....how can I make that text a hyperlink when it is posted on another page. this other page woudl be a page where the contents of the MySql database is displayed. For this...

When would I want to "escape all my fieldvalues with the mysql_escape_string()" ?

I ask this question as the newest kid on the PHP block, and am so appreciative of any help. Essentially, I have learned just enough to get myself in trouble. Overall, I am trying to create a website where the user can enter multiple items through several text boxes. When the user enters all...