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PROFESSIONAL-CLOUD-DEVELOPER · Question #83
PROFESSIONAL-CLOUD-DEVELOPER Question #83: Real Exam Question with Answer & Explanation
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Developing applications with Cloud Datastore
Question
Your teammate has asked you to review the code below. Its purpose is to query account entities in Cloud Datastore for those with a balance greater than 10000 and an age less than 4. Which improvement should you suggest your teammate make? Captionless Image
Options
- AThe query needs to have an ancestor query.
- BThe query should be performed in a transaction.
- CChange the argument to OrderBy.desc to be "balance" instead of "age."
- DSend two queries-one for balances over 10000, and another for ages less than 4-and compute
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Topics
#Cloud Datastore#Query Limitations#NoSQL Queries#Application Development