They both let you write multiple items in a single API call.
But they differ in one fundamental use case:
Atomicity.
When you need to perform multiple writes (or deletes) and need the operation to be atomic you use a transaction.
With a transaction, all operations either all succeed or all fail, together as one unit.
With Batch writes, any number of writes/deletes can succeed or fail independently.
They each have their use cases.
Its important to know them to be able to write data more efficiently to your database table.
I go through the details on how to use them here and some typical use cases:
https://lnkd.in/d94Zh_8E
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📖 P.S. I'm putting together a free email course to help you learn DynamoDB design patterns that are not taught in other courses, you can sign up here:
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