Allocating isolation levels to transactions

  title={Allocating isolation levels to transactions},
  author={Alan Fekete},
Serializability is a key property for executions of OLTP systems; without this, integrity constraints on the data can be violated due to concurrent activity. Serializability can be guaranteed regardless of application logic, by using a serializable concurrency control mechanism such as strict two-phase locking (S2PL); however the reduction in concurrency from this is often too great, and so a DBMS offers the DBA the opportunity to use different concurrency control mechanisms for some… CONTINUE READING
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