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1. 发明授权

US08024301B2 Automatic database diagnostic usage models 有权
标题翻译：自动数据库诊断使用模式
公开(公告)号：US08024301B2
公开(公告)日：2011-09-20
申请号：US10916695
申请日：2004-08-11
申请人： Karl Dias , Graham S. Wood , Shivani Gupta , Sushil Kumar , Mark Ramacher , Uri Shaft , Leng Leng Tan , Venkateshwaran Venkataramani
发明人： Karl Dias , Graham S. Wood , Shivani Gupta , Sushil Kumar , Mark Ramacher , Uri Shaft , Leng Leng Tan , Venkateshwaran Venkataramani
IPC分类号： G06F7/00
CPC分类号： G06F17/30289
摘要： One or more usage models are provided for a database. Each usage model includes a set of rules that are used to analyze database performance. A usage model in one or more usage models is determined. Database information is determined based on the usage model. The database information is then analyzed based on rules associated with the usage model. One or more performance problems are determined based on the analysis.
摘要翻译：为数据库提供一个或多个使用模型。每个使用模型都包含一组用于分析数据库性能的规则。确定一个或多个使用模型中的使用模型。数据库信息是根据使用模式确定的。然后基于与使用模型相关联的规则来分析数据库信息。基于分析确定一个或多个性能问题。

2. 发明授权

US07673291B2 Automatic database diagnostic monitor architecture 有权
标题翻译：自动数据库诊断监视器架构
公开(公告)号：US07673291B2
公开(公告)日：2010-03-02
申请号：US10775531
申请日：2004-02-09
申请人： Karl Dias , Shivani Gupta , Mark Ramacher , Uri Shaft , Venkateshwaran Venkataramani , Graham S. Wood , Juan Loaiza
发明人： Karl Dias , Shivani Gupta , Mark Ramacher , Uri Shaft , Venkateshwaran Venkataramani , Graham S. Wood , Juan Loaiza
IPC分类号： G06F9/44 , G06F12/00 , G06F11/00
CPC分类号： G06F17/30306 , G06F17/30371
摘要： Techniques for self-diagnosing performance problems in a database are provided. The techniques include classifying one or more performance problems in a database system. One or more values for quantifying an impact of the one or more performance problems on the database system are then determined. The quantified values are determined based on the performance of operations in the database system. A performance problem based on the one or more quantified values is then determined. A solution for the performance problem is generated and may be outputted.
摘要翻译：提供了数据库中自我诊断性能问题的技术。这些技术包括对数据库系统中的一个或多个性能问题进行分类。然后确定用于量化一个或多个性能问题对数据库系统的影响的一个或多个值。量化值基于数据库系统中的操作性能来确定。然后确定基于一个或多个量化值的性能问题。产生性能问题的解决方案，并可以输出。

3. 发明授权

US07376682B2 Time model 有权
标题翻译：时间模型
公开(公告)号：US07376682B2
公开(公告)日：2008-05-20
申请号：US10775513
申请日：2004-02-09
申请人： Mark Ramacher , Graham S. Wood , Juan Loaiza , Tirthankar Lahiri , Karl Dias
发明人： Mark Ramacher , Graham S. Wood , Juan Loaiza , Tirthankar Lahiri , Karl Dias
IPC分类号： G06F17/30
CPC分类号： G06F17/30008 , Y10S707/99957
摘要： Quantifying the impact of wasteful operations on a database system is provided. One or more operations that are determined to be wasteful are received. The impact of the wasteful operations on performance in a database may then be quantified. The database is monitored to determine when a wasteful operation is being performed. When a wasteful operation is detected, a time value is recorded of the time spent on processing the wasteful operation. The time value is stored and used to quantify an impact of a performance problem in a database. The time value may be stored and associated with other time values that are recorded for the same wasteful operation. Thus, the impact of wasteful operations that are performed and processed in a database may be determined.
摘要翻译：提供了浪费操作对数据库系统的影响。接收到被确定为浪费的一个或多个操作。然后可以量化浪费操作对数据库中的性能的影响。监视数据库以确定何时执行浪费的操作。当检测到浪费的操作时，记录处理浪费操作花费的时间的时间值。时间值被存储并用于量化数据库中性能问题的影响。时间值可以被存储并且与为相同的浪费操作记录的其他时间值相关联。因此，可以确定在数据库中执行和处理的浪费操作的影响。

4. 发明授权

US07324985B2 Methods and systems for database statement execution plan optimization 有权
标题翻译：数据库语句执行计划优化的方法和系统
公开(公告)号：US07324985B2
公开(公告)日：2008-01-29
申请号：US11433842
申请日：2006-05-12
申请人： Sanjay Kaluskar , Namit Jain , Hakan Jakobsson , Graham S. Wood
发明人： Sanjay Kaluskar , Namit Jain , Hakan Jakobsson , Graham S. Wood
IPC分类号： G06F7/00 , G06F17/30
CPC分类号： G06F17/30463 , Y10S707/99932 , Y10S707/99933 , Y10S707/99934 , Y10S707/99942
摘要： The methods and systems for database statement execution plan optimization exploit bind variable data available on the network to build and optimize an execution plan for the statement. A system for database statement execution plan optimization comprises a bind variable analyzer, a frame allocator, and an optimizer, in addition to a parser for parsing and analyzing the statement, a type checker for type checking the statement, and a tree builder for building an expression tree.
摘要翻译：数据库语句执行计划优化的方法和系统利用网络上可用的绑定变量数据来构建和优化语句的执行计划。用于数据库语句执行计划优化的系统除了用于解析和分析语句的解析器之外还包括绑定变量分析器，帧分配器和优化器，用于检查语句的类型检查器，以及用于构建语句的树构建器表达式树。

5. 发明授权

US07774312B2 Self-managing performance statistics repository for databases 有权
标题翻译：数据库的自我管理性能统计信息库
公开(公告)号：US07774312B2
公开(公告)日：2010-08-10
申请号：US10934771
申请日：2004-09-03
申请人： Gary Ngai , Michael Feng , Alex Tsukerman , Benoit Dageville , Mark Ramacher , Karl Dias , Graham S. Wood , Leng Leng Tan , Richard Sarwal , Sushil Kumar
发明人： Gary Ngai , Michael Feng , Alex Tsukerman , Benoit Dageville , Mark Ramacher , Karl Dias , Graham S. Wood , Leng Leng Tan , Richard Sarwal , Sushil Kumar
IPC分类号： G06F17/30
CPC分类号： G06F17/30306
摘要： A self-managing workload repository (AWR) infrastructure useful for a database server to collect and manage selected sets of important system performance statistics. Based on a schedule, the AWR runs automatically to collect data about the operation of the database system, and stores the data that it captures into the database. The AWR is advantageously designed to be lightweight and to self manage its use of storage space so as to avoid ending up with a repository of performance data that is larger than the database that it is capturing data about. The AWR is configured to automatically capture snapshots of statistics data on a periodic basis as well as purge stale data on a periodic basis. Both the frequency of the statistics data capture and length of time for which data is kept is adjustable. Manual snapshots and purging may also be performed. The AWR captured data allows for both system level and user level analysis to be automatically performed without unduly impacting system performance, e.g., by eliminating or reducing the requirement to repeat the workload in order to diagnose problems.
摘要翻译：自管理工作负载存储库（AWR）基础架构可用于数据库服务器收集和管理所选的重要系统性能统计信息。根据计划，AWR自动运行以收集有关数据库系统操作的数据，并将其捕获的数据存储到数据库中。 AWR有利地被设计为轻量级并且自我管理其对存储空间的使用，以避免最终获得比它正在捕获数据的数据库更大的性能数据库。 AWR配置为定期自动捕获统计数据的快照，并定期清除过期数据。统计数据捕获的频率和保存数据的时间长短都是可调的。也可以执行手动快照和清除。 AWR捕获的数据允许自动执行系统级别和用户级别分析，而不会不必要地影响系统性能，例如通过消除或减少重复工作负载以便诊断问题的要求。

6. 发明授权

US07292961B2 Capturing session activity as in-memory snapshots using a time-based sampling technique within a database for performance tuning and problem diagnosis 有权
标题翻译：使用数据库中的基于时间的抽样技术将会话活动作为内存快照捕获，以进行性能调优和问题诊断
公开(公告)号：US07292961B2
公开(公告)日：2007-11-06
申请号：US10775733
申请日：2004-02-09
申请人： Karl Dias , Venkateshwaran Venkataramani , Mark Ramacher , Graham S. Wood , Juan Loaiza
发明人： Karl Dias , Venkateshwaran Venkataramani , Mark Ramacher , Graham S. Wood , Juan Loaiza
IPC分类号： G06F17/40
CPC分类号： G06F17/30306 , G06F17/30368
摘要： Techniques for capturing samples of session activity in a database are provided. Session activity for active sessions is recorded at certain times over a time period. Accordingly, a sample of session activity is taken for sessions in a database.
摘要翻译：提供了在数据库中捕获会话活动样本的技术。活动会话的会话活动在一段时间内被记录在特定时间。因此，会话活动的样本被用于数据库中的会话。

7. 发明授权

US07092931B1 Methods and systems for database statement execution plan optimization 有权
标题翻译：数据库语句执行计划优化的方法和系统
公开(公告)号：US07092931B1
公开(公告)日：2006-08-15
申请号：US10144681
申请日：2002-05-10
申请人： Sanjay Kaluskar , Namit Jain , Hakan Jakobsson , Graham S. Wood
发明人： Sanjay Kaluskar , Namit Jain , Hakan Jakobsson , Graham S. Wood
IPC分类号： G06F7/00 , G06F17/30
CPC分类号： G06F17/30463 , Y10S707/99932 , Y10S707/99933 , Y10S707/99934 , Y10S707/99942
摘要： The methods and systems for database statement execution plan optimization exploit bind variable data available on the network to build and optimize an execution plan for the statement. A system for database statement execution plan optimization comprises a bind variable analyzer, a frame allocator, and an optimizer, in addition to a parser for parsing and analyzing the statement, a type checker for type checking the statement, and a tree builder for building an expression tree.
摘要翻译：数据库语句执行计划优化的方法和系统利用网络上可用的绑定变量数据来构建和优化语句的执行计划。用于数据库语句执行计划优化的系统除了用于解析和分析语句的解析器之外还包括绑定变量分析器，帧分配器和优化器，用于检查语句的类型检查器，以及用于构建语句的树构建器表达式树。

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