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ACID-Compliant Databases

Cooperation occurs between the application server and the database server to ensure that transactions have basic properties that are referred to by the mnemonic ACID (see Table 16.1).

Table 16.1. Basic Database Properties Referred to by the Mnemonic ACID
PropertyDescription
AtomicityActions complete as a group or not at all.
ConsistencyThe state of the data storage remains consistent with the state of the business logic, whether the transaction succeeds or fails.
IsolationActions must run the same as if they were run serially.
DurabilityResults of transactions must be stored persistently.



  

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