A workflow must atomically change several Cosmos NoSQL records. Which two design points matter? Select 2 answers.

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A.Choose multi-region writes as a substitute for transaction scope
B.Place required transactional records in the same supported logical partition
C.Choose the partition key for business correctness as well as balanced access
D.Assume an ordinary transactional batch spans arbitrary partition keys

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Place required transactional records in the same supported logical partition
Choose the partition key for business correctness as well as balanced access

Ordinary NoSQL transactions are logical-partition scoped, so key design affects invariants. Multi-write regional topology does not extend arbitrary cross-partition atomicity. Source guide: PDF page 30-31.

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