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Question about the schema created

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#1

I’m looking at the API design and then the following schema design. My understanding was that type of schema design was mostly for relational databases, but the answer to this problem explains that we are using blob store (unstructured data). Also, BigTable is also a NoSQL db. Granted, there are other databases mentioned in this answer, such as user and metadata storage, upload storage, etc, but I’m just wondering which relational database the provided schema is for?

This is for Design of Youtube on Educative Grokking the SD.

#2

Hi there,

In the provided storage schema design, we’ll use SQL database to store the video metadata, comments, and user metadata.

Thank you.