Getting information
We know how to get information out of the database by means of the Graph model: we request an object (or list of objects), subject to certain criteria, and we retrieve a JSON representation of that object (those objects). The obvious next question is: how do we get this data if we're thinking in terms of a relational database model?
For this we use Facebook Query Language (FQL for short). It's a language quite different to object-oriented languages; it's designed specifically for getting information out of a relational database, unlike AS3 which is not designed to solve any specific problem. It differs heavily in syntax, too, as we'll see.
Let's take a look at an example, getting some information out of the page table:
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