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  • Understanding versioning(from arcgis desktop help)翻译

    Versioning allows multiple users to edit the same data in an ArcSDE geodatabase without applying locks or duplicating data. A version can represent an engineering design, a construction job, or any other type of transaction. The basic concepts of versions are as follows:

    What a version is

    • A version represents a snapshot in time of the entire geodatabase. It contains all the datasets in the geodatabase.
    • A version isolates user's work across multiple edit sessions, allowing the user to edit without locking features in the production version or immediately impacting other users.
    • A geodatabase can have many versions. Below is the Version Manager dialog box accessed through ArcMap or ArcCatalog. It shows the DEFAULT version and three other versions: a quality assurance version (QA) and project versions, ProjectA and ProjectB.

      A geodatabase can have many versions
    • In ArcCatalog or ArcMap, you can perform all of the same display, query, and editing functions on a version as you can on a nonversioned geodatabase.
    • Users always access an ArcSDE geodatabase through a version. When you connect to a multiuser geodatabase in ArcCatalog or ArcMap, you specify the version to which you will connect. By default, you connect to the DEFAULT version.
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  • 原文地址:https://www.cnblogs.com/zhangjun1130/p/2001614.html
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