Ravi Sir's Cards › AWS
Partition vs sort key?
What is a VPC: your own private network inside one AWS Region, example ThreeTierVpc 10.0.0.0/16.
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What this card says
What it is
Partition key picks where data lives.
Why it matters
Sort key orders items and allows ranges.
begins_with(odate, :m)
How / example
Design keys from your access patterns.