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Dr. Ouyang, CS 643, Spring 2001

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Dr. Ouyang, CS 643, Spring 2001

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    1. Dr. Ouyang, CS 643, Spring 2001

    2. Dr. Ouyang, CS 643, Spring 2001

    3. Dr. Ouyang, CS 643, Spring 2001 Each database in a distributed database is uniquely identified by its global database name. The name of a database is formed by starting at the leaf of the tree and following a path to the root. For example, MFTG.DIVISION3.ACME_TOOLS.COM .Each database in a distributed database is uniquely identified by its global database name. The name of a database is formed by starting at the leaf of the tree and following a path to the root. For example, MFTG.DIVISION3.ACME_TOOLS.COM .

    4. Dr. Ouyang, CS 643, Spring 2001

    5. Dr. Ouyang, CS 643, Spring 2001

    6. Dr. Ouyang, CS 643, Spring 2001

    7. Dr. Ouyang, CS 643, Spring 2001

    8. Dr. Ouyang, CS 643, Spring 2001

    9. Dr. Ouyang, CS 643, Spring 2001 Clients can use the complete connect descriptor or the connect identifier in a connect string. Clients can use the complete connect descriptor or the connect identifier in a connect string.

    10. Dr. Ouyang, CS 643, Spring 2001

    11. Dr. Ouyang, CS 643, Spring 2001

    12. Dr. Ouyang, CS 643, Spring 2001

    13. Dr. Ouyang, CS 643, Spring 2001 Check out the following web page for more examples: http://technet.oracle.com/doc/oracle8i_816/server.816/a76960/ds_admin.htm#24095Check out the following web page for more examples: http://technet.oracle.com/doc/oracle8i_816/server.816/a76960/ds_admin.htm#24095

    14. Dr. Ouyang, CS 643, Spring 2001

    15. Dr. Ouyang, CS 643, Spring 2001

    16. Dr. Ouyang, CS 643, Spring 2001

    17. Dr. Ouyang, CS 643, Spring 2001

    18. Dr. Ouyang, CS 643, Spring 2001

    19. Dr. Ouyang, CS 643, Spring 2001

    20. Dr. Ouyang, CS 643, Spring 2001

    21. Dr. Ouyang, CS 643, Spring 2001

    22. Dr. Ouyang, CS 643, Spring 2001

    23. Dr. Ouyang, CS 643, Spring 2001 Every database server must be assigned a commit point strength. If a database server is referenced in a distributed transaction, the value of its commit point strength determines which role it plays in the two-phase commit. Specifically, the commit point strength determines whether a given node is the commit point site in the distributed transaction and thus commits before all of the other nodes.Every database server must be assigned a commit point strength. If a database server is referenced in a distributed transaction, the value of its commit point strength determines which role it plays in the two-phase commit. Specifically, the commit point strength determines whether a given node is the commit point site in the distributed transaction and thus commits before all of the other nodes.

    24. Dr. Ouyang, CS 643, Spring 2001

    25. Dr. Ouyang, CS 643, Spring 2001

    26. Dr. Ouyang, CS 643, Spring 2001

    27. Dr. Ouyang, CS 643, Spring 2001

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    29. Dr. Ouyang, CS 643, Spring 2001

    30. Dr. Ouyang, CS 643, Spring 2001

    31. Dr. Ouyang, CS 643, Spring 2001 Both views are empty until populated by an in-doubt transaction. After the transaction is resolved, the views are purged. Both views are empty until populated by an in-doubt transaction. After the transaction is resolved, the views are purged.

    32. Dr. Ouyang, CS 643, Spring 2001

    33. Dr. Ouyang, CS 643, Spring 2001

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