So, is cloud storage suitable only for direct direct key look up only?
Obviously not - you can use up to 200 compound indexes. And any number of implicit indexes stored in the data store for each indexed property.
This may not be enough for some applications, I admit. In this case, a different solution is likely to be required. Maybe even a hybrid that combines data storage with some other indexing methods? Not sure, I have not tried it yet, since I have not yet encountered such a need.
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