{"id":626196,"date":"2019-12-06T18:14:28","date_gmt":"2019-12-07T02:14:28","guid":{"rendered":"https:\/\/www.microsoft.com\/en-us\/research\/?post_type=msr-research-item&#038;p=626196"},"modified":"2019-12-06T18:14:28","modified_gmt":"2019-12-07T02:14:28","slug":"microsoft-repository-version-2-and-the-open-information-model","status":"publish","type":"msr-research-item","link":"https:\/\/www.microsoft.com\/en-us\/research\/publication\/microsoft-repository-version-2-and-the-open-information-model\/","title":{"rendered":"Microsoft Repository Version 2 and The Open Information Model"},"content":{"rendered":"<p>Microsoft Repository is an object-oriented meta-data management facility that ships in Microsoft Visual Studio and Microsoft SQL Server. It includes two main components:<\/p>\n<ul>\n<li>A repository engine that implements a set of object-oriented interfaces on top of a SQL database system. A developer can use these interfaces to define information models (i.e., schemas) and manipulate instances of the models.<\/li>\n<li>The Open Information Model, which is a set of information models that cover object modeling, database modeling, and component reuse.<\/li>\n<\/ul>\n<p>The repository system is designed to meet the persistent storage needs of software tools. Its main technical goals are:<\/p>\n<ul>\n<li>Compatibility with Microsoft\u2019s Component Object Model (COM) architecture<\/li>\n<li>Extensibility by customers and independent software vendors, so they can add behavior to objects stored by the repository engine and extend information models provided by Microsoft and others.<\/li>\n<li>Flexible and efficient versioning, configuration management, and checkout\/checkin to support team-oriented activities.<\/li>\n<\/ul>\n<p>This paper describes the programming interface and implementation of the repository engine and the Open Information Model.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Microsoft Repository is an object-oriented meta-data management facility that ships in Microsoft Visual Studio and Microsoft SQL Server. It includes two main components: A repository engine that implements a set of object-oriented interfaces on top of a SQL database system. A developer can use these interfaces to define information models (i.e., schemas) and manipulate instances 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