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Simultaneous Operation Of Multiple Versions Of An Application Using Bidirectional Synchronization And Separated Read Write Channels
Simultaneous Operation Of Multiple Versions Of An Application Using Bidirectional Synchronization And Separated Read Write Channels
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机译:使用双向同步和分离的读写通道同时运行多个版本的应用程序
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摘要
An upgrade of a first version of a database application to a second version of a database application that both have a same data schema is initiated. The first database application has a first access schema such that at least one table in the data schema is linked to the first access schema. The second version of the database application has a second access schema such that at least one table in the data schema is linked to the second access schema. The first access schema differs from the second access schema. Subsequently, concurrent access is provided for each access schema to at least one database table in the data schema to both the first version of the database application and the second version of the database application. The concurrent access is enabled by using separate read and write channels. Related apparatus, systems, techniques and articles are also described.
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