Database Links

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The central concept in distributed database systems is a database link. A database link is a connection between two physical database servers that allows a client to access them as one logical database.

This section contains the following topics:

  • What Are Database Links?

  • Why Use Database Links?

  • Global Database Names in Database Links

  • Names for Database Links

  • Types of Database Links

  • Users of Database Links

  • Creation of Database Links: Examples

  • Schema Objects and Database Links

  • Database Link Restrictions


    出自:https://docs.oracle.com/cd/B28359_01/server.111/b28310/ds_concepts002.htm#ADMIN12083

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