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Edition-Based Redefinition

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    Oren Nakdimon Series on EBR

    A fantastic series of posts on Edition-Based Redefinition: Part 1: Overview and Setup [1-Dec-2017] Part 2: Locking, Blocking and ORA-04068 [5-Dec-2017] Part 3: Editions and Editioned Objects [15-Dec-2017] Part 4: Invalidation and Actualization of Dependent Objects [9-Jan-2018] Part 5: Explicit Actualization of Dependent Objects [12-Jan-2018] Part 6: Editionable and Non-Editionable, Editioned and Non-Editioned [29-Apr-2018] Part 7: Editioning Views [21-May-2018] Part 8: The Last Planned Downtime [23-May-2018] Part 9: Adding a New Column [25-May-2018] Part 10: Data Dictionary Views for Editioning Views [29-Jun-2018] Part 11: Database-Level Default Edition [18-Mar-2019] Part 12: Editions and Services [10-May-2019]
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    Edition-Based Redefinition Home Page

    Edition-based redefinition (EBR), enables online application upgrade with uninterrupted availability of the application. When the installation of an upgrade is complete, the pre-upgrade application and the post-upgrade application are able to be used at the same time. Therefore an existing session can continue to use the pre-upgrade application until its user decides to end it; and all new sessions can use the post-upgrade application. When there are no longer any sessions using the pre-upgrade application, it can be retired. When used in this manner, EBR enables hot rollover from the pre-upgrade version to the post-upgrade version, with zero downtime.
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    Edition-Based Redefinition Enhancements in Oracle Database 12c Release 1 (12.1)

    Learn how to create non-editionable objects in edition-enabled schema.
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Session Has Completed - 10 July 2019
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Edition Based Redefinition

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10 July 2019
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