# Quiz

+ What is true about ACID transaction? (Select 2)
  + `A` . All operations in a transaction either succeed or fail to ensure consistency
  + `B` . Durability ensures that no data is lost
  + `C` . The isolation guarantees that the integrity constraints of the transaction are not broken before and after the end
  + `D` . Atomicity and consistency relate to ease of use and efficiency in application development

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B, D
What is true about the four characteristics of transaction (ACID)? (Select 2)
 All operations in a transaction either succeed or fail to ensure consistency
 Durability guarantees no data loss
 Isolation guarantees that the integrity constraints of the transaction are not broken before and after the end
 Atomicity and consistency are related to ease of use and efficiency issues in application development