Database Reference
In-Depth Information
You might also ask what is stored in the values in this table? This is
illustrated in the following diagram:
Imagine that you need to store and retrieve all the comments for a video.
However, remember that you will also need all the comments for a given
user as well.
Creating a many-to-many relationship for a
social network
Imagine that you are creating a social network. OK, you might not have the whole
world on it, but you might come up with a specific interest group. So, you can
imagine a group of all Haiku lovers who also appreciate a good drink. Here's
your problem:
 
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