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From Wikipedia:

Object-relational mapping (ORM, O/RM, and O/R mapping) in computer software is a programming technique for converting data between incompatible type systems in object-oriented programming languages. This creates, in effect, a "virtual object database" that can be used from within the programming language. There are both free and commercial packages available that perform object-relational mapping, although some programmers opt to create their own ORM tools.

In the last part we examined the way to extract out the Query String from the URL. However, as is known well, the query string in itself is useless. It is the keys and their values that matter! This post is just about that - how to extract the names of the keys and their values from the query string received on the URL (via GET request). We will not cover how to read the query string as we have done that already in the last program. Let us bring in a few new goodies into that program and introduce a way to extract and print the values in the URL.

So now we know how to receive data from the user into our server side program! Great. Now if you have read the last article on how to receive data in your program via GET requests, you might have remembered or noticed that we gave an example of a Google URL:

With every coin you get two sides and for every benefit you get at least a drawback. While QCubed's codegen is not going to give you a time any tougher than you already would be having, it is always great to know what you are going to have and how it will affect you with work. Let us first go through the long list of good things and then we will go through a few negative points and explain the ideology behind things and a few things about how to minimize bad effects.

I you think that I should first be talking about how to query database with QCubed, you would be disappointed because am not at all going to talk about that. There are a lot of examples on the QCubed Examples site for that. If you have any problems or queries for that, head on to QCubed examples site and look for yourself (and QCubed is one rare framework which has a examples site covering its working in a full blown examples site). However, there are interesting things which you can do with QCubed and one of those things is Caching your database results. Before we get into how to do caching Database results in QCubed, let us first see what caching is.