BigTable is a proprietary data storage system from Google.
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Why can't we perform joins in a distributed database like Bigtable?
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 ...
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What are the performance implications of polymodels versus normal BigTable models in google app engine?
What produces the best performance in regular google app engine use, a polymodel or a normal "BigTable" model?
The polymodel, effectively, creates a column in the parent table called "class" which ...
