The idea of ββusing SQL Azure to store metadata for your blobs is a fairly common scenario that allows you to use SQL for search and drop drops for storage.
Blobs are organized by container. This way you will have something like:
http:
You can also simulate a hierarchy using a separator, but in fact there is only a container plus blob.
If you keep the container or blob private, the user must either go through your web interface (or web service), or you will have to provide them with a special URL with the addition of a shared access subscription, which is a time-limited URL.
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