Local coordinator - Definition - Oracle Transaction

Q.  What is the role in the session tree that has a node which is forced to reference data on other nodes to complete its part of the transaction?
- Published on 13 Aug 15

a. Client
b. Database server
c. Global coordinator
d. Local coordinator

ANSWER: Local coordinator

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    Discussion

  • Nirja Shah   -Posted on 22 Sep 15
    - All nodes participating in the session tree of a distributed transaction assume one or more of the following roles:

    1. Client - A node that refrences information in a database belonging to a different node.

    2. Database server - A node that receives a request for information from another node.

    3. Global coordinator - The node that originates the distributed transaction.

    4. Local coordinator - A node that is forced to reference data on other nodes to complete its part of the transaction.

    5. Commit point site - The node that commits or rolls back the transaction as instructed by the global coordinator.

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