FACTOID # 34: Ethiopians are by far the most agricultural people on earth (both men and women)
 
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Encyclopedia > Distributed transactions

A distributed transaction is a database transaction that must be synchronized among multiple participating databases which are distributed among different physical locations. A common algorithm for ensuring correct completion of a distributed transaction is the two-phase commit.

  • Description of two-phase commit (http://www.vermicelli.pasta.cs.uit.no/ipv6/students/andrer/doc/html/node18.html)

  Results from FactBites:
 
Distributed Transactions (3504 words)
XA resources--These are used by a transaction manager in coordinating the transaction branches of a distributed transaction.
It associates and disassociates distributed transactions with the transaction branch operating in the XA connection instance that produced this XA resource instance.
, disassociating the transaction branch from its distributed transaction.
Distributed Transactions Concepts (4769 words)
A session tree is a hierarchical model of the transaction that describes the relationships among the nodes that are involved.
Consequently, distributed transaction processing is more complicated, because Oracle must coordinate the committing or rolling back of the changes in a transaction as a self-contained unit.
The distributed transaction commits with the highest global SCN among all the databases involved.
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