Ravi Sir's Cards › AWS
When use transactions?
This interview card answers: When use transactions? Use-case. Multi-item all-or-nothing — seat+payment, inventory+order. Know action limits.
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What this card says
What it is
Use-case.
Why it matters
Multi-item all-or-nothing: seat+payment, inventory+order.
TransactWriteItems
How / example
Know action limits.
MNC: CancellationReasons.