Now we will see one of the most important and at the same time most complex data structures of all, in order to increase your ability to reuse code by understanding it and being able to decide in which applications to use it, selecting from the vast amount of code available in all languages and systems development. It is also the basis, as we have already mentioned, of a type of noSQL databases. Much of the BigData can be modeled with it.
I mean the graphs:
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