Process and system for auditing database activity
    1.
    发明授权
    Process and system for auditing database activity 有权
    审计数据库活动的流程和系统

    公开(公告)号:US08799225B2

    公开(公告)日:2014-08-05

    申请号:US10702127

    申请日:2003-11-05

    IPC分类号: G06F17/30 G06F21/62

    摘要: Described is a database audit system used to monitor, and optionally alert on database activity, providing a complete record of access to data and database structure. The data audit system may also provide an audit trail of data accesses and changes to database schema and permissions. A database audit may be performed by collecting data from database transaction logs and traces, exporting the collected data into a repository, and analyzing the data in the repository to create data audit reports and to provide data audit browsing capabilities.

    摘要翻译: 描述了一种数据库审计系统,用于监视数据库活动并可选地提醒数据库活动,提供数据访问和数据库结构的完整记录。 数据审计系统还可以提供数据访问和数据库模式和权限更改的审计跟踪。 可以通过从数据库事务日志和跟踪中收集数据,将收集的数据导出到存储库中,以及分析存储库中的数据来创建数据审计报告并提供数据审计浏览功能来执行数据库审计。

    Data audit system
    2.
    发明申请
    Data audit system 有权
    数据审计系统

    公开(公告)号:US20050097149A1

    公开(公告)日:2005-05-05

    申请号:US10702127

    申请日:2003-11-05

    IPC分类号: G06F17/30 G06F21/00

    摘要: Described is a database audit system used to monitor, and optionally alert on database activity, providing a complete record of access to data and database structure. The data audit system may also provide an audit trail of data accesses and changes to database schema and permissions. A database audit may be performed by collecting data from database transaction logs and traces, exporting the collected data into a repository, and analyzing the data in the repository to create data audit reports and to provide data audit browsing capabilities.

    摘要翻译: 描述了一种数据库审计系统,用于监视数据库活动并可选地提醒数据库活动,提供数据访问和数据库结构的完整记录。 数据审计系统还可以提供数据访问和数据库模式和权限更改的审计跟踪。 可以通过从数据库事务日志和跟踪中收集数据,将收集的数据导出到存储库中,以及分析存储库中的数据来创建数据审计报告并提供数据审计浏览功能来执行数据库审计。

    Separation of duties in a data audit system
    3.
    发明申请
    Separation of duties in a data audit system 审中-公开
    在数据审计系统中分离职责

    公开(公告)号:US20070005665A1

    公开(公告)日:2007-01-04

    申请号:US11174294

    申请日:2005-06-30

    IPC分类号: G06F17/30

    CPC分类号: G06Q10/06 G06F16/20

    摘要: A database audit system monitors database activity, providing a complete record of access to data and database structure. A database audit may be performed by collecting data from database transaction logs and traces, exporting the collected data into a repository, and analyzing the data in the repository to create data audit reports and to provide data audit browsing capabilities. A separation between audit side and audited data side is maintained through limited access permissions.

    摘要翻译: 数据库审计系统监视数据库活动,提供数据访问和数据库结构的完整记录。 可以通过从数据库事务日志和跟踪中收集数据,将收集的数据导出到存储库中,以及分析存储库中的数据来创建数据审计报告并提供数据审计浏览功能来执行数据库审计。 通过有限的访问权限维护审计方和审计数据方之间的分离。

    Scheduling mechanism using predetermined limited execution time
processing threads in a communication network
    5.
    发明授权
    Scheduling mechanism using predetermined limited execution time processing threads in a communication network 失效
    在通信网络中使用预定的有限执行时间处理线程的调度机制

    公开(公告)号:US6085215A

    公开(公告)日:2000-07-04

    申请号:US971788

    申请日:1997-11-17

    IPC分类号: G06F9/48 G06F9/46

    CPC分类号: G06F9/4887

    摘要: Method and apparatus for avoiding receive livelock and transmit starvation, and for minimizing packet loss and latency in a communication network station. The invention uses a combination of processing threads, polling and, in a preferred embodiment, a judicious use of interrupts, to allocate the use of processing resources fairly among competing functions. Real time processing threads are structured to execute for a preselected maximum time interval, based on numbers of units processed by each thread, and then to yield control to a thread scheduler, which selects and invokes a new thread for execution. Work to be done in the various threads is determined either by polling or by an interrupt system, and then posted to the threads for execution. If interrupts are used, interrupt service routines perform only the minimal processing needed to recognize an interrupt, other interrupt servicing functions being deferred for execution in a processing thread. The thread scheduler operates on a round-robin basis and also selects from at least one general purpose processing thread for functions that are less time critical, the general purpose thread being structured to operate for a selected minimum time, if needed, in a non-preemptable mode, and thereafter in a preemptable mode.

    摘要翻译: 用于避免接收实时锁定和传输饥饿以及用于最小化通信网络站中的分组丢失和等待时间的方法和装置。 本发明使用处理线程的组合,轮询,并且在优选实施例中,明智地使用中断,在竞争功能之间公平地分配处理资源的使用。 根据每个线程处理的单元数量,实时处理线程被构造为执行预选的最大时间间隔,然后对线程调度程序进行控制,该线程调度程序选择并调用一个新线程进行执行。 通过轮询或中断系统确定在各种线程中完成的工作,然后发送到线程执行。 如果使用中断,则中断服务程序仅执行识别中断所需的最小处理,其他中断服务功能被延迟在处理线程中执行。 线程调度器基于循环操作,并且还从至少一个通用处理线程中选择较短时间关键的功能,如果需要,通用线程被构造为在所选择的最小时间内操作, 可抢占模式,之后处于可抢占模式。

    Secure File Archive through encryption key management
    6.
    发明授权
    Secure File Archive through encryption key management 失效
    通过加密密钥管理安全的文件存档

    公开(公告)号:US06754827B1

    公开(公告)日:2004-06-22

    申请号:US09314326

    申请日:1999-05-19

    IPC分类号: G06F1130

    摘要: An information processing system providing archive/backup support with privacy assurances by encrypting data stored thereby. Data generated on a source system is encrypted, the key used thereby is separately encrypted, and both the encrypted data and encrypted key are transmitted to and maintained by a data repository system. The repository system receives only the encrypted data and key, while the source system retains the ability to recover the key and in turn, the data. The source system is therefore assured of privacy and integrity of the archived data by retaining access control yet is relieved of the physical management of the warehousing medium.

    摘要翻译: 一种信息处理系统,通过加密由此存储的数据来提供具有隐私保证的归档/备份支持。 在源系统上生成的数据被加密,由此使用的密钥被单独加密,并且加密数据和加密密钥都被发送到数据存储库系统并由其维护。 存储库系统仅接收加密的数据和密钥,而源系统保留恢复密钥的能力,反过来又保留数据。 因此,源系统通过保留访问控制来确保归档数据的隐私和完整性,而减轻了仓储介质的物理管理。

    Video file server using an integrated cached disk array and stream
server computers
    7.
    发明授权
    Video file server using an integrated cached disk array and stream server computers 失效
    视频文件服务器使用集成的缓存磁盘阵列和流服务器计算机

    公开(公告)号:US6061504A

    公开(公告)日:2000-05-09

    申请号:US661152

    申请日:1996-06-10

    摘要: A video file server includes an integrated cached disk array storage subsystem and a plurality of stream server computers linking the cached disk storage system to the data network for the transfer of video data streams. The video file server further includes a controller server for applying an admission control policy to client requests and assigning stream servers to service the client requests. The stream servers include a real-time scheduler for scheduling isochronous tasks, and supports at least one industry standard network file access protocol and one file access protocol for continuous media file access. The cached disk storage subsystem is responsive to video prefetch commands, and the data specified for a prefetch command for a process are retained in an allocated portion of the cache memory from the time that the cached disk storage subsystem has responded to the prefetch command to the time that the cached disk storage subsystem responds to a fetch command specifying the data for the process. The time between prefetching and fetching is selected based on available disk and cache resources. The video file server provides video-on-demand service by maintaining and dynamically allocating sliding windows of video data in the random access memories of the stream server computers.

    摘要翻译: 视频文件服务器包括集成缓存的磁盘阵列存储子系统和将高速缓存的磁盘存储系统链接到数据网络以便传输视频数据流的多个流服务器计算机。 该视频文件服务器还包括控制器服务器,用于向客户端请求应用准入控制策略,并分配流服务器来服务客户机请求。 流服务器包括用于调度等时任务的实时调度器,并且支持至少一个工业标准网络文件访问协议和用于连续媒体文件访问的一个文件访问协议。 缓存的磁盘存储子系统响应于视频预取命令,并且对于进程的预取命令指定的数据从缓存的磁盘存储子系统对预取命令作出响应的时间保留在高速缓冲存储器的分配部分中 缓存磁盘存储子系统响应指定进程数据的fetch命令的时间。 基于可用的磁盘和缓存资源选择预取和提取之间的时间。 视频文件服务器通过维护和动态地分配流服务器计算机的随机存取存储器中的视频数据的滑动窗口来提供视频点播服务。

    Scheduling and admission control policy for a continuous media server
    8.
    发明授权
    Scheduling and admission control policy for a continuous media server 失效
    连续媒体服务器的调度和准入控制策略

    公开(公告)号:US5528513A

    公开(公告)日:1996-06-18

    申请号:US148114

    申请日:1993-11-04

    摘要: A scheduler with admissions control in a continuous media file server is presented. The scheduler supports multiple classes of tasks with diverse performance requirements. The scheduler is based on a combination of rate-monotonic and weighted round-robin scheduling schemes. Scheduling is accomplished in a hierarchical manner. Isochronous tasks have the highest priority and are scheduled first followed by real-time and general-purpose tasks. Isochronous tasks run periodically and are invoked by a timer interrupt set for each task. After scheduling the isochronous tasks, the scheduler alternates between the real-time tasks and the general-purpose tasks using a weighted round-robin scheme.

    摘要翻译: 介绍了一种在连续媒体文件服务器中具有入口控制的调度器。 调度程序支持具有不同性能要求的多类任务。 调度器基于速率单调和加权循环调度方案的组合。 调度以分级方式完成。 同步任务具有最高优先级,并且首先安排,之后是实时和通用任务。 同步任务周期性运行,并由每个任务的定时器中断集调用。 在调度同步任务之后,调度器使用加权循环方案在实时任务和通用任务之间交替。

    System and method for transaction-selective rollback reconstruction of database objects
    9.
    发明授权
    System and method for transaction-selective rollback reconstruction of database objects 有权
    数据库对象的事务选择性回滚重建的系统和方法

    公开(公告)号:US06769074B2

    公开(公告)日:2004-07-27

    申请号:US09861830

    申请日:2001-05-21

    申请人: Lev Vaitzblit

    发明人: Lev Vaitzblit

    IPC分类号: G06F1100

    摘要: Most commercial database systems provide a recovery mechanism that is used to restore data integrity in the event of a hardware or software failure. Many of these systems restore the database from the most recent backup file by rolling forward all transactions from the most recent undamaged transaction log. The present invention discloses a novel system and method for recovering data from user or application errors. Embodiments of the present invention selectively target and undo only those transactions that caused data corruption. In this way, the present invention is able to recover fine-grained database objects such as a table or a row within a table. The present invention has the further advantage of minimizing the number of transactions that are lost after recovery.

    摘要翻译: 大多数商业数据库系统提供恢复机制,用于在硬件或软件故障的情况下恢复数据完整性。 这些系统中的许多系统从最新的未损坏的事务日志转发所有事务,从最新的备份文件中恢复数据库。 本发明公开了一种用于从用户或应用程序错误中恢复数据的新型系统和方法。 本发明的实施例有选择地仅针对和撤销导致数据损坏的那些事务。 以这种方式,本发明能够恢复表格中的细粒度数据库对象,例如表或行。 本发明的另一个优点是最小化恢复后丢失的事务的数量。

    Database/template driven file selection for backup programs
    10.
    发明授权
    Database/template driven file selection for backup programs 失效
    用于备份程序的数据库/模板驱动文件选择

    公开(公告)号:US6157931A

    公开(公告)日:2000-12-05

    申请号:US984015

    申请日:1997-12-03

    CPC分类号: G06F11/1451 Y10S707/99955

    摘要: A database of known commercial software programs ("Products") is maintained and employed as a template for selection of files for a backup operation. In particular, files which are part of known Products may be excluded during backup operations. Records indicating rules about which files within Product directories are included and excluded from the backup operation are also maintained in the database. Product directories may be determined from a registry or the hard disk may be scanned and directories checked against a list of known Product default directories. If the newly found directory does not match an entry in the list of default directories, then file list codes in the database are checked against the files in the directory to determine whether known Product files are present in the directory. Two types of exclusion commands are employed to identify files for exclusion from the backup operation by exploiting file creation and modification dates. The first command type establishes a baseline date by looking at the last modification date of the file. The second command type instructs the backup program to exclude selected files in selected subdirectories in accordance with predetermined criteria.

    摘要翻译: 已知的商业软件程序(“产品”)的数据库被维护并用作用于选择用于备份操作的文件的模板。 特别地,作为已知产品的一部分的文件可能在备份操作期间被排除。 在数据库中还保留了记录产品目录中包含哪些文件并从备份操作中排除的记录。 可以从注册表确定产品目录,也可以扫描硬盘,并根据已知产品默认目录列表进行检查。 如果新找到的目录与默认目录列表中的条目不匹配,则会根据目录中的文件检查数据库中的文件列表代码,以确定目录中是否存在已知的产品文件。 采用两种类型的排除命令来通过利用文件创建和修改日期来识别要从备份操作中排除的文件。 第一个命令类型通过查看文件的最后修改日期来建立基准日期。 第二种命令类型指示备份程序根据预定标准排除选定子目录中的选定文件。