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    Product Name
    Data Guard
    Publisher Page
    Oracle
    Category
    Clustering and Availability Software
    Release
    TKU 2019-Jul-1
    Change History
    Oracle Data Guard - Change History
    Reports & Attributes
    Oracle Data Guard - Reports & Attributes
    Publisher Link
    Oracle

    Product Description

    Oracle Data Guard forms an extension to the Oracle RDBMS. It aids in establishing and maintaining secondary "standby databases" as alternative/supplementary repositories to production "primary databases". A Data Guard Configuration includes a production database, referred to as the primary database, and up to 30 standby databases.
    Primary and standby databases connect over TCP/IP using Oracle Net Services. Data Guard automatically sync the primary database and all of it's standby databases.

    The "Oracle Active Data Guard" option, an extra-cost facility, extends Oracle Data Guard physical standby functionality in Oracle 11g configurations. It allows read-only access on the standby node at the same time as applying archived transactions from the primary node.

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