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1. 发明授权

US6038562A Interface to support state-dependent web applications accessing a relational database 失效
标题翻译：用于支持访问关系数据库的状态相关Web应用程序的接口
公开(公告)号：US6038562A
公开(公告)日：2000-03-14
申请号：US708512
申请日：1996-09-05
申请人： Vaishnavi Anjur , Atul Chadha , Piyush Goel , Balakrishna Raghavendra Iyer , Venkatachary Srinivasan , Steven John Watts
发明人： Vaishnavi Anjur , Atul Chadha , Piyush Goel , Balakrishna Raghavendra Iyer , Venkatachary Srinivasan , Steven John Watts
IPC分类号： G06F17/30
CPC分类号： G06F17/30595 , Y10S707/99932 , Y10S707/99942 , Y10S707/99953
摘要： Many web applications require access to a relational database. The requirements of such web applications are different from conventional applications that access a database. Web applications need to have selective recoverability and need to have support for different transaction structures, other than the flat transaction structure of conventional database applications, including nested and chained transactions. To achieve this, an interface between the application and database has the following functional features: 1) the interface to the database is connection oriented, i.e., the connection is retained across several invocations of the application; 2) the backend of the interface is long living, i.e., it exists across multiple invocations; 3) state information about a session in progress is maintained, and more specifically, it is distributed between the backend of the interface and the hidden fields of the HTML output document.
摘要翻译：许多Web应用程序需要访问关系数据库。这种Web应用程序的需求与访问数据库的常规应用程序不同。 Web应用程序需要具有选择性可恢复性，并且需要支持不同的事务结构，而不是常规数据库应用程序的平面事务结构，包括嵌套和链接事务。为了实现这一点，应用程序和数据库之间的接口具有以下功能特征：1）到数据库的接口是面向连接的，即连接在应用程序的多个调用之间保留; 2）接口的后端是长生命的，即它存在于多个调用之间; 3）维护关于正在进行的会话的状态信息，更具体地说，它分布在接口的后端和HTML输出文档的隐藏字段之间。

2. 发明授权

US5953719A Heterogeneous database system with dynamic commit procedure control 失效
标题翻译：异构数据库系统具有动态提交过程控制
公开(公告)号：US5953719A
公开(公告)日：1999-09-14
申请号：US931029
申请日：1997-09-15
申请人： James Charles Kleewein , Tony Kuen Lee , Shivakumar Venkataraman , Steven John Watts
发明人： James Charles Kleewein , Tony Kuen Lee , Shivakumar Venkataraman , Steven John Watts
IPC分类号： G06F17/30 , G06F9/00
CPC分类号： G06F17/3056 , G06F17/30566 , Y10S707/99938
摘要： In a distributed database system, at least one of the databases operates as a transaction manager and provides transparent commit coordination between an application program and other connected databases. The transaction manager incorporates a commit alteration procedure which enables selection of either a single phase commit protocol or a two phase commit protocol with respect to each database, during operation of the distributed system. The transaction manager establishes a commit protocol for each connected database; responds to a command from an application program by overriding a commit protocol previously established for a selected database and establishes another commit protocol for the selected database; performs a transaction and utilizes the another commit protocol in connection with the transaction; and upon completion of the transaction as evidenced by a successful commit action, enables establishment of another commit protocol.
摘要翻译：在分布式数据库系统中，至少有一个数据库用作事务管理器，并在应用程序和其他连接的数据库之间提供透明的提交协调。交易管理器包含提交更改过程，该过程在分布式系统的操作期间可以选择单相提交协议或关于每个数据库的两阶段提交协议。事务管理器为每个连接的数据库建立提交协议; 通过覆盖先前为所选数据库建立的提交协议来响应来自应用程序的命令，并为所选择的数据库建立另一个提交协议; 执行事务并利用与事务相关的另一提交协议; 并且在交易完成时，成功的提交操作证明，可以建立另一个提交协议。

3. 发明授权

US5881232A Generic SQL query agent 失效
标题翻译：通用SQL查询代理
公开(公告)号：US5881232A
公开(公告)日：1999-03-09
申请号：US684012
申请日：1996-07-23
申请人： Josephine M. Cheng , HongHai Shen , Steven John Watts
发明人： Josephine M. Cheng , HongHai Shen , Steven John Watts
IPC分类号： G06F17/30 , H04L29/06 , H04L29/08 , G06F15/16
CPC分类号： G06F17/30067 , H04L29/06 , H04L67/02 , H04L67/42 , H04L69/329
摘要： A method, apparatus, and article of manufacture for providing access to information stored in a database management system. The method and apparatus uses an intelligent generic query agent to operate with a wide variety of remote users, and to allow implementation of a wide variety of optimization schemes. The method comprises receiving a request from the remote user at the agent, transforming the request into database management system commands optimized in accordance with user-specified optimization criteria, transmitting the database management system commands to the database management system, receiving the database management system command result from the database management system in the agent, transforming the database management system command result into a response message, and transmitting the response message to from the agent to the remote user.
摘要翻译：一种用于提供对存储在数据库管理系统中的信息的访问的方法，装置和制品。该方法和装置使用智能通用查询代理来操作各种远程用户，并且允许实施各种各样的优化方案。该方法包括：在代理处接收来自远程用户的请求，将请求转换成根据用户指定的优化标准优化的数据库管理系统命令，将数据库管理系统命令传送到数据库管理系统，接收数据库管理系统命令从代理中的数据库管理系统的结果，将数据库管理系统命令结果转换为响应消息，并将响应消息从代理发送到远程用户。

4. 发明授权

US06275832B1 Providing transaction undo without logging 失效
标题翻译：提供事务撤销而不进行日志记录
公开(公告)号：US06275832B1
公开(公告)日：2001-08-14
申请号：US09158438
申请日：1998-09-21
申请人： Julie Ann Watts , Steven John Watts
发明人： Julie Ann Watts , Steven John Watts
IPC分类号： G06F1730
CPC分类号： G06F17/30377 , Y10S707/99953 , Y10S707/99954
摘要： A technique for undoing a transaction that changes data in a database. In accordance with the present invention, the database contains at least one data unit. The database is stored in a data storage device connected to a computer. A lock, transaction identifier, transaction operation indicator, and data unit, are associated with the transaction. The invention undoes the transaction using the associated lock, transaction identifier, transaction operation indicator, and data unit.
摘要翻译：一种用于撤消更改数据库中数据的事务的技术。根据本发明，数据库包含至少一个数据单元。数据库存储在连接到计算机的数据存储设备中。锁，事务标识符，事务操作指示符和数据单元与事务相关联。本发明使用关联的锁，事务标识符，事务操作指示符和数据单元来撤销事务。

5. 发明授权

US6105017A Method and apparatus for deferring large object retrievals from a remote database in a heterogeneous database system 失效
标题翻译：用于在异构数据库系统中从远程数据库推迟大对象检索的方法和装置
公开(公告)号：US6105017A
公开(公告)日：2000-08-15
申请号：US929642
申请日：1997-09-15
申请人： James Charles Kleewein , Eileen Tien Lin , Hemant Maheshwari , Tina Louise Mukai , Steven John Watts
发明人： James Charles Kleewein , Eileen Tien Lin , Hemant Maheshwari , Tina Louise Mukai , Steven John Watts
IPC分类号： G06F17/30
CPC分类号： G06F17/30424 , Y10S707/99932
摘要： A database management method enables an improved efficiency processing action in a computer wherein manipulation of data from a table is required in accord with a query request, wherein the table is stored remotely from said computer and at least some data in the table includes large data objects (LOBs). The method includes the steps of: responding to the request by transmitting a query to the table; configuring a result set from the table in response to the query, wherein the result set includes one or more unique identifiers of any LOB data associated with the result set; receiving the result set and performing a data manipulation action on data contained in the result set to form a response; transferring the response to the query requester; and accessing LOB data from the table that is referenced by the one or more unique identifiers in the result set and causing transfer of the LOB data to the query requester.
摘要翻译：数据库管理方法能够在计算机中改进效率处理动作，其中根据查询请求对表中的数据进行操作，其中该表从所述计算机远程存储，并且该表中的至少一些数据包括大数据对象（LOB）。该方法包括以下步骤：通过向表发送查询来响应该请求; 从所述表中配置响应于所述查询的结果集，其中所述结果集包括与所述结果集相关联的任何LOB数据的一个或多个唯一标识符; 接收结果集并对包含在结果集中的数据执行数据操作动作以形成响应; 将响应传送给查询请求者; 以及从结果集中的一个或多个唯一标识符引用的表中访问LOB数据，并导致将LOB数据传送到查询请求者。

6. 发明授权

US5956727A Heterogeneous database system with data source extensibility and alteration of database functions 失效
标题翻译：具有数据源可扩展性和数据库功能更改的异构数据库系统
公开(公告)号：US5956727A
公开(公告)日：1999-09-21
申请号：US929809
申请日：1997-09-15
申请人： Tu-An Cheng , James Charles Kleewein , Eileen Tien Lin , Tina Louise Mukai , Yun Wang , Steven John Watts
发明人： Tu-An Cheng , James Charles Kleewein , Eileen Tien Lin , Tina Louise Mukai , Yun Wang , Steven John Watts
IPC分类号： G06F17/30
CPC分类号： G06F17/30566 , Y10S707/99933 , Y10S707/99943 , Y10S707/99945
摘要： A heterogeneous database system is described which includes plural database systems, one of the database systems acting as an interface (i.e., system manager). The system manager performs functions which provide an application program with transparent access to the entire database system. The system manager includes a memory for storing (i) a matrix of functional capabilities of each of the plural databases, (ii) a catalog of functions that are supportable by various databases and (iii) and entry matrix for providing an interface function between a user and the system manager. A processor is present in the system manager; and is responsive to a user entry, via the entry matrix, with respect to a functional capability of one of the plural databases, to alter a matrix of functional capabilities pertaining to the database. The alteration is carried out in accordance with a corresponding functional capability entry in the catalog. If a user entry is received which refers to a database for which no entry exists in the matrix of functional capabilities, the system manager presents an entry matrix in a form which reflects default functional capabilities. Thereafter, the default capabilities may be altered by a system administrator to reflect the capabilities of the new database.
摘要翻译：描述了一种异构数据库系统，其包括多个数据库系统，数据库系统之一充当接口（即系统管理器）。系统管理员执行向整个数据库系统提供透明访问的应用程序的功能。系统管理器包括用于存储（i）多个数据库中的每一个的功能性能矩阵的存储器，（ii）可由各种数据库支持的功能目录，以及（iii）和用于提供接口功能之间的接口功能的输入矩阵用户和系统管理员。处理器存在于系统管理器中; 并且相对于所述多个数据库之一的功能能力经由所述条目矩阵来响应于用户条目，以改变与所述数据库相关的功能能力的矩阵。该变更根据目录中相应的功能能力条目进行。如果接收到指向功能能力矩阵中没有条目的数据库的用户条目，则系统管理器以反映默认功能能力的形式呈现条目矩阵。此后，系统管理员可以更改默认功能以反映新数据库的功能。

7. 发明授权

US06173292B2 Data recovery in a transactional database using write-ahead logging and file caching 失效
标题翻译：使用预写记录和文件缓存在事务数据库中进行数据恢复
公开(公告)号：US06173292B2
公开(公告)日：2001-01-09
申请号：US09034521
申请日：1998-03-04
申请人： Ronald Jason Barber , David Mark Herbert , Chandrasekaran Mohan , Amit Somani , Steven John Watts , Markos Zaharioudakis
发明人： Ronald Jason Barber , David Mark Herbert , Chandrasekaran Mohan , Amit Somani , Steven John Watts , Markos Zaharioudakis
IPC分类号： G06F1200
CPC分类号： G06F11/1471 , Y10S707/955 , Y10S707/99931 , Y10S707/99935 , Y10S707/99938 , Y10S707/99952 , Y10S707/99953
摘要： A method, apparatus, and article of manufacture for providing transaction control for a computer-implemented database management system. The database management system manages one or more databases, wherein each of the databases contains one or more documents and each document contains one or more objects. The database management system also supports a file cache for those databases. A transaction control system provides transaction control for the databases, documents, and objects managed by the database management system, wherein the transaction control system monitors and controls the file cache to ensure that modified objects are stored on a data storage device in manner that reflects an accurate status for a log file maintained by the transaction control system.
摘要翻译：一种用于为计算机实现的数据库管理系统提供事务控制的方法，装置和制品。数据库管理系统管理一个或多个数据库，其中每个数据库包含一个或多个文档，并且每个文档包含一个或多个对象。数据库管理系统还支持这些数据库的文件缓存。事务控制系统为由数据库管理系统管理的数据库，文档和对象提供事务控制，其中事务控制系统监视和控制文件高速缓存，以确保修改后的对象以反映由事务控制系统维护的日志文件的准确状态。

8. 发明授权

US5920860A Method and apparatus for accessing of large object data segments from a remote database 失效
标题翻译：用于从远程数据库访问大对象数据段的方法和装置
公开(公告)号：US5920860A
公开(公告)日：1999-07-06
申请号：US931002
申请日：1997-09-15
申请人： Hemant Maheshwari , Tina Louise Mukai , Steven John Watts
发明人： Hemant Maheshwari , Tina Louise Mukai , Steven John Watts
IPC分类号： G06F17/30
CPC分类号： G06F17/30424 , Y10S707/99932 , Y10S707/99935
摘要： A method enables a computer to manipulate data from a table in a remote database in accord with a query from a query requestor, wherein at least some data in the table includes large data objects (LOBs). The method includes the steps of: responding to the query by configuring a database query and determining (i) if a response to the database query requires transfer of LOB data from the table and if yes, and (ii) the LOB data can be transferred in response to the database query without a data manipulation which uses the LOB data or (iii) a data manipulation required in response to the database query which uses the LOB data can be performed at the remote database, then designating the LOB data for "streaming"; dispatching the database query to the remote database and receiving a result set from the table from the remote database in response to the query; and storing the result set and causing any LOB data which has been marked for streaming to be then dispatched to the query requestor without being written to disk.
摘要翻译：一种方法使得计算机能够根据来自查询请求者的查询操纵来自远程数据库中的表的数据，其中表中的至少一些数据包括大数据对象（LOB）。该方法包括以下步骤：通过配置数据库查询来响应查询，并确定（i）对数据库查询的响应是否需要从表中传输LOB数据，如果是，则（ii）可以转移LOB数据响应于没有使用LOB数据的数据操作的数据库查询，或者（iii）可以在远程数据库处执行响应于使用LOB数据的数据库查询所需的数据操作，然后指定用于“流”的LOB数据 “; 将数据库查询分派到远程数据库，并响应于查询从远程数据库从表中接收结果集; 并且存储结果集并且使得已经标记为流的任何LOB数据然后被分派到查询请求者而不被写入到盘。

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