摘要:
Systems and methodologies that facilitate evolving a data model via a combination of an explicit logical model definition, logical model changes, functional units, an explicit/implicit physical model and physical model changes, to derive a data model transformation. Such an arrangement can provide for a rich set of transformations, which can be automatically applied to a data model instantiation. The subject invention enables leveraging a common set of code, by defining the set of transformations across an arbitrary data model.
摘要:
A database update pipeline may be incorporated into a data access architecture for providing data services to applications, thereby bridging the gap between application data and data as persisted in databases. The update pipeline has the ability to translate changes made to object instances into data store change constructs, and carry those changes over to a data store. Such a pipeline can also advantageously perform the reverse operation, allowing applications to query using the database update pipeline, and receive materialized object instances.
摘要:
A data processing and storage system is provided. The system includes an aggregator component that stores metadata from at least two disparate data domains. A framework component encapsulates the metadata according to an abstraction model that describes the disparate data domains.
摘要:
A data access architecture is provided that includes a mapping architecture for mapping data as may be used by an application to data as persisted in a database. The mapping architecture makes use of two types of mapping views—a query view that helps in translating queries and an update view that helps in translating updates. Incremental view maintenance can be used to translate data between the application and database.
摘要:
A database update pipeline may be incorporated into a data access architecture for providing data services to applications, thereby bridging the gap between application data and data as persisted in databases. The update pipeline has the ability to translate changes made to object instances into data store change constructs, and carry those changes over to a data store. Such a pipeline can also advantageously perform the reverse operation, allowing applications to query using the database update pipeline, and receive materialized object instances.
摘要:
A data access architecture is provided that includes a mapping architecture for mapping data as may be used by an application to data as persisted in a database. The mapping architecture makes use of two types of mapping views—a query view that helps in translating queries and an update view that helps in translating updates. Incremental view maintenance can be used to translate data between the application and database.
摘要:
Systems and methodologies that facilitate evolving a data model via a combination of an explicit logical model definition, logical model changes, functional units, an explicit/implicit physical model and physical model changes, to derive a data model transformation are presented. Such an arrangement can provide for a rich set of transformations, which can be automatically applied to a data model instantiation. The subject invention facilitates leveraging a common set of code in data model instantiation evolution, by defining the set of transformations across an arbitrary data model.
摘要:
A system that automatically matches schema elements is provided. In one aspect, given a selected element of one schema, the system can calculate the best matching candidate elements of another schema. The calculation can be based on a heuristic combination of factors, such as element names, element types, schema structure, existing matches, and the history of actions taken by the user. Accordingly, the best candidate (according to the calculation) can be emphasized and/or highlighted. The tool can auto-scroll to the best choice. Similarly, the user can request the calculation and display to best candidates by pressing a keyboard key or hot key. As well, the user can prompt display of the best candidates by using the mouse (e.g., moving the mouse over the element E or clicking on E), or both (e.g., mouse over with hot key depressed).
摘要:
A system and method facilitating data access operations is provided. The system can facilitate an executable, instance-level interaction between a source model (e.g., schema) expressed in a first metamodel (e.g., object-oriented metamodel) and a target model expressed in a second metamodel (e.g., SQL metamodel). The system can produce instance mappings to round-trip the data between the source schema and the generated target schema. For example, the system can support object-to-relational mapping scenarios that are common in business applications. Typically, in such applications the business logic runs on top of an object model, whereas the actual data is persisted in SQL databases. To shield the applications from impedance mismatch and storage management issues, an abstraction component can be employed to translate the data access operations on the object model into SQL queries and updates.