Is the join a Spanner query, or is there a system on top of a Spanner that feder... | Hacker News

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		atombender on June 8, 2019 \| parent \| context \| favorite \| on: Zanzibar: Consistent, Global Authorization System Is the join a Spanner query, or is there a system on top of a Spanner that federates/aggregates databases?

summerlight on June 9, 2019 [–]

Most of adhoc analysis don’t even need Spanner. With Dremel, you can simply define a table on bunch of sharded files and do a SQL query on them.

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