Designing an XML Database Engine: API and
... locks on indices, elements and ancestors, which are being read or written. If all the operations are successful, the transaction commits. We have used rigourous-2PL as the locking scheme, as a result of which a transaction releases all its locks only during its commit operation. The engine uses a de ...
... locks on indices, elements and ancestors, which are being read or written. If all the operations are successful, the transaction commits. We have used rigourous-2PL as the locking scheme, as a result of which a transaction releases all its locks only during its commit operation. The engine uses a de ...
TEMPL_PROC - Global Health Data Management
... Attachments and forms for completion References to other SOPs Revision Approval and distribution References ...
... Attachments and forms for completion References to other SOPs Revision Approval and distribution References ...
Distributed
... – Sends lock requests to remote sites, and while waiting for the response, holds on to other locks! – If sites or links fail, Xact cannot commit until they are back up. – Even if there is no failure, committing must follow an expensive commit protocol with many msgs. ...
... – Sends lock requests to remote sites, and while waiting for the response, holds on to other locks! – If sites or links fail, Xact cannot commit until they are back up. – Even if there is no failure, committing must follow an expensive commit protocol with many msgs. ...
ch25
... Failure in PREPARED state – Contact other sites to determine fate of transaction. Failure in PRE-COMMITTED state – Contact other sites to determine fate of transaction. Failure in ABORTED/COMMITTED states – On restart, no further action is necessary. Pearson Education © 2009 ...
... Failure in PREPARED state – Contact other sites to determine fate of transaction. Failure in PRE-COMMITTED state – Contact other sites to determine fate of transaction. Failure in ABORTED/COMMITTED states – On restart, no further action is necessary. Pearson Education © 2009 ...
Database Systems: Design, Implementation, and Management
... Management Systems Database Systems: Design, Implementation, and Management, Fifth Edition, Rob and Coronel ...
... Management Systems Database Systems: Design, Implementation, and Management, Fifth Edition, Rob and Coronel ...
CR4201623627
... Disclosure limitation of sensitive rules. It discusses association rules hiding, two basic approaches have security risks on the database when reveals it in been proposed. The first approach hides one rule at public. They introduce algorithm for hiding sensitive a time. items with little impact on d ...
... Disclosure limitation of sensitive rules. It discusses association rules hiding, two basic approaches have security risks on the database when reveals it in been proposed. The first approach hides one rule at public. They introduce algorithm for hiding sensitive a time. items with little impact on d ...
Oracle Database Administrator 720 10.09 Location: Madison, WI
... Codes, tests, and implements physical database, applying knowledge of database management systems Designs logical and physical databases Reviews description of changes to database design to understand how changes to be made affect physical database Establishes physical database parameters Codes data ...
... Codes, tests, and implements physical database, applying knowledge of database management systems Designs logical and physical databases Reviews description of changes to database design to understand how changes to be made affect physical database Establishes physical database parameters Codes data ...
Database System Architectures
... Implementation Issues for Distributed Databases Atomicity needed even for transactions that update data at multiple sites The two-phase commit protocol (2PC) is used to ensure atomicity ...
... Implementation Issues for Distributed Databases Atomicity needed even for transactions that update data at multiple sites The two-phase commit protocol (2PC) is used to ensure atomicity ...
SQL Server Performance Monitoring & Optimization
... ◦ Includes built-in System Diagnostics and System Performance collectors and reports ...
... ◦ Includes built-in System Diagnostics and System Performance collectors and reports ...
Database System Architectures
... Atomicity needed even for transactions that update data at multiple sites ...
... Atomicity needed even for transactions that update data at multiple sites ...
Distributed Databases
... Application makes request to distributed DBMS Distributed DBMS checks distributed data repository for location of data. Finds that it is remote Distributed DBMS routes request to remote site Distributed DBMS at remote site translates request for its local DBMS if necessary, and sends request to loca ...
... Application makes request to distributed DBMS Distributed DBMS checks distributed data repository for location of data. Finds that it is remote Distributed DBMS routes request to remote site Distributed DBMS at remote site translates request for its local DBMS if necessary, and sends request to loca ...
Link Analysis in Relational Databases using Data Mining Techniques
... data mining techniques can be used to extract information from the data. Here we have proposed the work which introduces link analysis procedure discovers relationships between relational databases or graph. This work can be useful on single relational databases as well as multiple relational databa ...
... data mining techniques can be used to extract information from the data. Here we have proposed the work which introduces link analysis procedure discovers relationships between relational databases or graph. This work can be useful on single relational databases as well as multiple relational databa ...
DBFarm: A Scalable Cluster for Multiple Databases
... J2EE or .NET, message brokers, and TP-Monitors, just to mention a few examples, are all forms of middleware that exploit and are built for distributed deployment. The one piece in the puzzle that largely remains a centralized solution is the database. There is, of course, much work done on scaling a ...
... J2EE or .NET, message brokers, and TP-Monitors, just to mention a few examples, are all forms of middleware that exploit and are built for distributed deployment. The one piece in the puzzle that largely remains a centralized solution is the database. There is, of course, much work done on scaling a ...
Document
... data, and whose behavior depends on whether or not its operations are invoked during a transaction. Recoverable Object:A transactional object that directly maintains persistent data, and participates in transaction protocols Transactional Server Recoverable Server Resource Object ...
... data, and whose behavior depends on whether or not its operations are invoked during a transaction. Recoverable Object:A transactional object that directly maintains persistent data, and participates in transaction protocols Transactional Server Recoverable Server Resource Object ...
งานนำเสนอ PowerPoint
... scheduler (sometimes referred to as the lock manager). This module is responsible for implementing a particular strategy for concurrency control. If a failure occurs during the transaction, then the database could be inconsistent. It is the task of the recovery manager to ensure that the database in ...
... scheduler (sometimes referred to as the lock manager). This module is responsible for implementing a particular strategy for concurrency control. If a failure occurs during the transaction, then the database could be inconsistent. It is the task of the recovery manager to ensure that the database in ...
No Slide Title
... Lockable resources and lock escalation SQL Server can lock data at various levels, known as lockable resources. The ten levels form a hierarchy based on granularity, which refers to the amount of data the resource encompasses. A resource that encompasses more data than another resource is less ...
... Lockable resources and lock escalation SQL Server can lock data at various levels, known as lockable resources. The ten levels form a hierarchy based on granularity, which refers to the amount of data the resource encompasses. A resource that encompasses more data than another resource is less ...
A Scalable Data Platform for a Large Number of Small Applications
... the client. If the cluster controller is aggressive in this return, i.e., it returns as soon as it obtains the result from one machine (and asynchronously keeps track of whether the writes in the other machines failed, in which case subsequent operations of the transaction are aborted), then it turn ...
... the client. If the cluster controller is aggressive in this return, i.e., it returns as soon as it obtains the result from one machine (and asynchronously keeps track of whether the writes in the other machines failed, in which case subsequent operations of the transaction are aborted), then it turn ...
Estimating the Robustness of Discovered Knowledge*
... There are two problems with this estimation. The first problem is that it treats all database states as if they are equally probable. That is obviously not the case in real-world databases. The other problem is that the number of possible database states is intractably large, even for a small databa ...
... There are two problems with this estimation. The first problem is that it treats all database states as if they are equally probable. That is obviously not the case in real-world databases. The other problem is that the number of possible database states is intractably large, even for a small databa ...
Database Architecture for Autonomous Transportation Agents for On-scene Networked Incident Management (ATON)
... This paper addresses the issues in the design of an integrated software architecture for coordination of many distributed control and analysis algorithms present in various thematic areas. The novel concept of using a set of distributed databases, having many different functions and types, is propos ...
... This paper addresses the issues in the design of an integrated software architecture for coordination of many distributed control and analysis algorithms present in various thematic areas. The novel concept of using a set of distributed databases, having many different functions and types, is propos ...
Ch. 2c ppt - Computer Science
... does not introduce false or incorrect data into the component databases) durability: the system keeps track of what has been done and is capable of redoing and undoing changes in case of failures. ...
... does not introduce false or incorrect data into the component databases) durability: the system keeps track of what has been done and is capable of redoing and undoing changes in case of failures. ...
database system
... Create databases Create tables Create supporting structures Read database data Modify database data (insert, update, delete) Maintain database structures Enforce rules Control concurrency Provide security Perform backup and recovery ...
... Create databases Create tables Create supporting structures Read database data Modify database data (insert, update, delete) Maintain database structures Enforce rules Control concurrency Provide security Perform backup and recovery ...
Database Management Systems (DMS)
... Systems (DBMS), such as: Microsoft SQL Server Oracle Sybase DBase Microsoft Access ...
... Systems (DBMS), such as: Microsoft SQL Server Oracle Sybase DBase Microsoft Access ...
Introduction
... A conceptual framework whose purpose is to divide standardization work into manageable pieces and to show at a general level how these pieces are related to one another. ...
... A conceptual framework whose purpose is to divide standardization work into manageable pieces and to show at a general level how these pieces are related to one another. ...
Oracle Database10g: Administration Workshop I
... store them for a medium length of time: – Retail billing system, for example, of a software house or a nursery ...
... store them for a medium length of time: – Retail billing system, for example, of a software house or a nursery ...
Budapest_IDN-Report_Tromso - wgiss
... MD8-Isite offers a full-text/fielded-text Boolean search with spatial/temporal coverage search capabilities. MD8-Isite distribution includes the entire MD8 XML DIF (data set descriptions) and supplementary information (instruments, platforms, projects, data centers) collections. ...
... MD8-Isite offers a full-text/fielded-text Boolean search with spatial/temporal coverage search capabilities. MD8-Isite distribution includes the entire MD8 XML DIF (data set descriptions) and supplementary information (instruments, platforms, projects, data centers) collections. ...