Why can't we perform joins in a distributed database like Bigtable?

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join nosql bigtable distributed-databases

                          From this answer to "What database does Google use?" :

> Bigtable is not a relational database. **It does not support joins nor does it support rich SQL-like queries.** 

Is this obvious? I do not understand why.

Asked by Lazer (3361 rep)

Aug 12, 2011, 10:16 PM
Last activity: Jul 17, 2017, 02:38 PM

Why can't we perform joins in a distributed database like Bigtable?

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