Your teammate has asked you to review the code below, which is adding a credit to an account balance in Cloud Datastore. Which improvement should you suggest your teammate make?
A) Get the entity with an ancestor query.
B) Get and put the entity in a transaction.
C) Use a strongly consistent transactional database.
D) Don't return the account entity from the function.

Question

Your teammate has asked you to review the code below, which is adding a credit to an account balance in Cloud Datastore. Which improvement should you suggest your teammate make? 
A) Get the entity with an ancestor query. 
B) Get and put the entity in a transaction. 
C) Use a strongly consistent transactional database. 
D) Don't return the account entity from the function.

Quizplus · Accepted Answer

The Answer of Your teammate has asked you to review the code below, which is adding a credit to an account balance in Cloud Datastore. Which improvement should you suggest your teammate make? 
A) Get the entity with an ancestor query. 
B) Get and put the entity in a transaction. 
C) Use a strongly consistent transactional database. 
D) Don't return the account entity from the function.

Your Teammate Has Asked You to Review the Code Below