摘要:
Systems and methodologies that facilitate data handling among participants with mismatched schema sets of an extensible data model, via employing a versioning component. The versioning component can identify and separate the mismatched and matched data, and direct the mismatched portion to a bit bucket component. The bit bucket component can further persistently store the mismatched data, to enable interaction among participants with mismatched data types. The data can be re-integrated to ensure that round trip data is available to the next participant.
摘要:
A system that facilitates checking the consistency of a user-defined data type in relation to a database environment. The invention can employ a user-defined type (UDT) storage format whereby values can be self-describing, including the runtime type of the value. The invention can take the type definition that is persisted in the metadata catalogs as a streaming input and generate a type-specific state machine thereafter. At every point in the checking process, the type-specific state machine can be aware of the next data type that is to be encountered in the check. Whenever an embedded UDT is encountered, the current type-specific state machine can be suspended and saved. The embedded UDT can be checked before proceeding. In this way, the complex check can be effected using memory space proportional to the number of levels in the UDT as opposed to the number of bytes in the object.
摘要:
The present invention describes an efficient and fast framework for implementing table-valued functions (TVF's) in a relational database server. The framework provides desirable extensibility properties and has the ability to minimize performance degradations by integrating tightly with the optimization infrastructure in a query processor. The present invention also enables a managed execution environment (MEE) such as the Common-Language-Runtime (CLR), to efficiently and dynamically extend the logic of the database engine with user-supplied code.
摘要:
The claimed subject matter provides a system and/or a method that facilitates configuring at least one radio frequency identification (RFID) device. An RFID network can include at least one device associated with a device group, wherein the device group corresponds to a characteristic. An organizational manager can uniformly configure the at least one device based at least in part upon membership of the device group.
摘要:
A database system and method allows a user to write program code in a high-level programming language that implements a class that defines the structure of a user-defined type and methods that can be invoked on instances of the type. The class is then registered with the database system, which enforces a specific contract for user-defined types against the class. The contract comprises the following requirements. First, the class must specify one of a plurality of different formats for persisting instances of the user-defined type in a database store. Second, the class must be capable of returning a null value for the user-defined type. Third, the class must provide a method for converting the user-defined type to another type. Once these requirements are satisfied, the database system enables instances of the user-defined type to be created. A user-defined type can be used in all contexts where any other built-in type can be used. This includes defining columns of tables, declaring variables and parameters to functions and stored procedures, and evaluating expressions of the user-defined type in SQL queries and updates. Preferably, the database system stores metadata about the user-defined type for subsequent use in creating instances of the type.
摘要:
Systems and methodologies that facilitate data handling among participants with mismatched schema sets of an extensible data model, via employing a versioning component. The versioning component can identify and separate the mismatched and matched data, and direct the mismatched portion to a bit bucket component. The bit bucket component can further persistently store the mismatched data, to enable interaction among participants with mismatched data types. The data can be re-integrated to ensure that round trip data is available to the next participant.
摘要:
A system that facilitates checking the consistency of a user-defined data type in relation to a database environment. The invention can employ a user-defined type (UDT) storage format whereby values can be self-describing, including the runtime type of the value. The invention can take the type definition that is persisted in the metadata catalogs as a streaming input and generate a type-specific state machine thereafter. At every point in the checking process, the type-specific state machine can be aware of the next data type that is to be encountered in the check. Whenever an embedded UDT is encountered, the current type-specific state machine can be suspended and saved. The embedded UDT can be checked before proceeding. In this way, the complex check can be effected using memory space proportional to the number of levels in the UDT as opposed to the number of bytes in the object.
摘要:
Efficient hierarchical searching is based on object type. By pre-computing additional information and storing it in a fast-lookup structure, it is possible to quickly identify objects that satisfy an object retrieval request. Furthermore, it is also possible to use this technique to avoid object hydration for operations in the store. Moreover, it is possible to leverage database statistical structures such as histograms to estimate the number of qualifying objects without having to examine each object.
摘要:
Efficient hierarchical searching is based on object type. By pre-computing additional information and storing it in a fast-lookup structure, it is possible to quickly identify objects that satisfy an object retrieval request. Furthermore, it is also possible to use this technique to avoid object hydration for operations in the store. Moreover, it is possible to leverage database statistical structures such as histograms to estimate the number of qualifying objects without having to examine each object.
摘要:
A standardized mechanism of remote management of mobile devices using Low Level Reader Protocol (LLRP) is disclosed. An LLRP provider application runs on a server. A remote management application runs on a mobile device. The LLRP provider application and the remote management application communicate using LLRP. The remote management application uses a specific interface, like Device Service Provider Interface (DSPI), to communicate with hardware on the mobile device. The LLRP provider application discovers a mobile device, requests at least one of configuration or metadata information, and receives at least one of configuration or metadata information. The remote management application receives a request for at least one of configuration or metadata information and sends at least one of configuration or metadata information.