Understanding the FQL interface
We've been looking at the Facebook data as though it were structured in the Graph format laid out in Chapter 2, but really, this is just a model for the data; the Graph API acts like a wrapper, making it appear as though the data is structured in that way. It's not.
Does it matter how the data is structured? Not for our purposes. What matters is the interface we are given to access it with. So far, that interface has been the Graph API; we've obtained all our data through Graph URLs and processed them with AS3.
But there is another way of looking at the data, which is like a traditional database structure. In this case, all the data is kept in tables, organized into columns, rows, and fields. It's easier to explain ...
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