In computer science, in the field of databases, read–write conflict, also known as unrepeatable reads, is a computational anomaly associated with interleaved...

computer science, in the field of databases, write–read conflict (also known as reading uncommitted data and dirty read), is a computational anomaly associated...

2PL does not overcome all the time. Concurrency control Read–write conflict Write–read conflict Stearns, Richard E.; Rosenkrantz, Daniel J. (1981). Distributed...

occur: read after write (RAW), a true dependency write after read (WAR), an anti-dependency write after write (WAW), an output dependency Read after read (RAR)...

estimated using two parameters O(time) and O(time × processor_number). Read/write conflicts, commonly termed interlocking in accessing the same shared memory...

lazy write. For this reason, a read miss in a write-back cache will often require two memory backing store accesses to service: one for the write back...

concurrently read/write conflicts occur. Like in the PRAM model, three different variations of this problem are considered: Concurrent Read Concurrent Write (CRCW):...

are read-locks (shared locks) and write-locks (exclusive locks). Below are the rules for read-locks and write-locks: A transaction is allowed to read an...

might not be consistent (the write might not persist after conflicts are reconciled, and the read might not get the latest write) Soft-state: without consistency...

again. The examples use the following relation: Main article: Write-read conflict A dirty read (aka uncommitted dependency) occurs when a transaction retrieves...