XMach-1: A Benchmark for XML Data Management
... data management. We feel that this does not allow restricting measurements to the database server because database processing is increasingly spread across the database backend and application servers in order to allow for improved throughput, scalability, load balancing and caching. For instance, ...
... data management. We feel that this does not allow restricting measurements to the database server because database processing is increasingly spread across the database backend and application servers in order to allow for improved throughput, scalability, load balancing and caching. For instance, ...
Heuristic Optimization of OLAP Queries in Multidimensionally
... passes applications requiring a multidimensional view of data. In such a view of data there is a set of measures that are the metrics of interest. The measures contain numeric data. Each of them is uniquely determined by a set of different and often independent dimensions. Dimensions have associated ...
... passes applications requiring a multidimensional view of data. In such a view of data there is a set of measures that are the metrics of interest. The measures contain numeric data. Each of them is uniquely determined by a set of different and often independent dimensions. Dimensions have associated ...
ECDL Module 5 Notes
... In a one-to-one relationship, each record in the first table can have only one matching record in the second table, and each record in the second table can have only one matching record in the first table. This type of relationship is not common because, most often, the information related in this w ...
... In a one-to-one relationship, each record in the first table can have only one matching record in the second table, and each record in the second table can have only one matching record in the first table. This type of relationship is not common because, most often, the information related in this w ...
Precision Considerations for Analysis Services Users
... such as real and float. What is significant about precision in the case of approximate data types is that instead of storing the exact value of a number as with regular data types, they may store an extremely close approximation of it. This means that it is possible for precision loss to occur if th ...
... such as real and float. What is significant about precision in the case of approximate data types is that instead of storing the exact value of a number as with regular data types, they may store an extremely close approximation of it. This means that it is possible for precision loss to occur if th ...
Document
... 1. r, s must have the same arity (same number of attributes) 2. The attribute domains must be compatible (example: 2nd column of r deals with the same type of values as does the 2nd column of s) Example: to find all courses taught in the Fall 2009 semester, or in the ...
... 1. r, s must have the same arity (same number of attributes) 2. The attribute domains must be compatible (example: 2nd column of r deals with the same type of values as does the 2nd column of s) Example: to find all courses taught in the Fall 2009 semester, or in the ...
Package `RODBC`
... With drivers that support it, it is used to optimize locking strategies, transaction management and so on. It does make access to Mimer read-only, and has no effect on MySQL. Function odbcReConnect re-connects to a database using the settings of an existing (and presumably now closed) channel object ...
... With drivers that support it, it is used to optimize locking strategies, transaction management and so on. It does make access to Mimer read-only, and has no effect on MySQL. Function odbcReConnect re-connects to a database using the settings of an existing (and presumably now closed) channel object ...
View PDF
... processes in a secure and intuitive manner. Second layer is known as application layer or logic layer; it manages the logic of the application and permits access to the third-tier services. Finally, the data layer protects the direct access by the client components residing within a secure network. ...
... processes in a secure and intuitive manner. Second layer is known as application layer or logic layer; it manages the logic of the application and permits access to the third-tier services. Finally, the data layer protects the direct access by the client components residing within a secure network. ...
Document
... Views contains query whenever execute views it has read from base table. A view which is physically stored in a database. Materialized views allow query performance to be enhanced by precalculating costly operations. 17)What is surrogate key? A system generated artificial primary key that is not der ...
... Views contains query whenever execute views it has read from base table. A view which is physically stored in a database. Materialized views allow query performance to be enhanced by precalculating costly operations. 17)What is surrogate key? A system generated artificial primary key that is not der ...
Outline
... then all the operations must be undone. Only need the before images (undo portion of the log). Once a transaction is committed, some of its actions ...
... then all the operations must be undone. Only need the before images (undo portion of the log). Once a transaction is committed, some of its actions ...
Document
... • Eclipse creates a Java persistent entity for each database table • Each entity contains fields based on the table’s columns • Eclipse will also generate entity relationships based on the table constrain ...
... • Eclipse creates a Java persistent entity for each database table • Each entity contains fields based on the table’s columns • Eclipse will also generate entity relationships based on the table constrain ...
WhatIsCreated-databases
... Query = Make-Table Agents Append Query – ex. LanguageArtsClasses Query = Append to ProjectStaff Delete Query – ex. LanguageArtsClasses Query = Delete project Update Query – ex. LanguageArtsClasses Query = Update Budget Crosstab Query – ex. LanguageArtsClasses ex. Day Camp Query = Staff_Crosstab Docu ...
... Query = Make-Table Agents Append Query – ex. LanguageArtsClasses Query = Append to ProjectStaff Delete Query – ex. LanguageArtsClasses Query = Delete project Update Query – ex. LanguageArtsClasses Query = Update Budget Crosstab Query – ex. LanguageArtsClasses ex. Day Camp Query = Staff_Crosstab Docu ...
For SQL Server 2008
... © Copyright Notice: All rights reserved worldwide. No part of this book may be reproduced or copied or translated in any form by any electronic or mechanical means (including photocopying, recording, or information storage and retrieval) without permission in writing from the publisher, except for r ...
... © Copyright Notice: All rights reserved worldwide. No part of this book may be reproduced or copied or translated in any form by any electronic or mechanical means (including photocopying, recording, or information storage and retrieval) without permission in writing from the publisher, except for r ...
Engineering a Distributed Intrusion Tolerant
... –All and only the attacks through malicious transactions ...
... –All and only the attacks through malicious transactions ...
CSC_NEXRAD_DW
... NEXRAD Data Management Challenges Storing NEXRAD Level II data results in many interesting database challenges: Data size - A historical archive of NEXRAD data consumes many terabytes of space. Flexibility/Variability - Unlike commercial warehouses, the types of data and metadata that should be s ...
... NEXRAD Data Management Challenges Storing NEXRAD Level II data results in many interesting database challenges: Data size - A historical archive of NEXRAD data consumes many terabytes of space. Flexibility/Variability - Unlike commercial warehouses, the types of data and metadata that should be s ...
Enterprise Applications - Texas Tech University Departments
... - they noted that there was an insufficient workforce in the U.S. to meet the demand in these areas - the three technologies were 1) nanotechnology, 2) biotechnology and 3) geospatial technology - to address this workforce issue, they developed the High Growth Training Initiative - the initiative wa ...
... - they noted that there was an insufficient workforce in the U.S. to meet the demand in these areas - the three technologies were 1) nanotechnology, 2) biotechnology and 3) geospatial technology - to address this workforce issue, they developed the High Growth Training Initiative - the initiative wa ...
DBA120_02_audio
... • Distinguish between an RDBMS and an ORDBMS • Identify keywords, mandatory clauses, and optional clauses in a SELECT statement • Select and view selected columns of a table • Use a column alias to clarify the contents of a particular column • Perform basic arithmetic operations in the SELECT clause ...
... • Distinguish between an RDBMS and an ORDBMS • Identify keywords, mandatory clauses, and optional clauses in a SELECT statement • Select and view selected columns of a table • Use a column alias to clarify the contents of a particular column • Perform basic arithmetic operations in the SELECT clause ...
Using Live Distributed Objects for Office Automation.
... Researchers both in academia and industry have been interested in using middleware technologies to support office information systems (OIS) [1, 2, 3, 4, 12, 16] since the 1970s. Our system integrates office applications into a componentized event notification framework at the end-user level. For exa ...
... Researchers both in academia and industry have been interested in using middleware technologies to support office information systems (OIS) [1, 2, 3, 4, 12, 16] since the 1970s. Our system integrates office applications into a componentized event notification framework at the end-user level. For exa ...
Oracle 10g Database Administrator: Implementation and
... CPU costing for optimizer is now more important • Primary objective of automation is to avoid situations of stale or non-generated statistics Oracle 10g Database Administrator: Implementation and Administration ...
... CPU costing for optimizer is now more important • Primary objective of automation is to avoid situations of stale or non-generated statistics Oracle 10g Database Administrator: Implementation and Administration ...
Native XML Databases - DAMA-MN
... • Saves physical info (entity references, CDATA, etc.) • Stores document ID / name • Supports document-centric queries » Retrieve the first section containing a list in the third chapter » Retrieve the headings of all chapters that contain hyperlinks ...
... • Saves physical info (entity references, CDATA, etc.) • Stores document ID / name • Supports document-centric queries » Retrieve the first section containing a list in the third chapter » Retrieve the headings of all chapters that contain hyperlinks ...
DatabaseConnDynGPNet
... Applications that integrate with Microsoft Dynamics GP often need to access tables in the SQL database. Users of these integrating applications want to use the same SQL login credentials (user ID and password) that they use to access Microsoft Dynamics GP. To improve security, login information for ...
... Applications that integrate with Microsoft Dynamics GP often need to access tables in the SQL database. Users of these integrating applications want to use the same SQL login credentials (user ID and password) that they use to access Microsoft Dynamics GP. To improve security, login information for ...
Chapter 1
... Sites are linked by a communications network Data at each site is controlled by DBMS DMBS handles local apps autonomously Each DBMS in one or more global app Pearson Education © 2009 ...
... Sites are linked by a communications network Data at each site is controlled by DBMS DMBS handles local apps autonomously Each DBMS in one or more global app Pearson Education © 2009 ...
Database model
A database model is a type of data model that determines the logical structure of a database and fundamentally determines in which manner data can be stored, organized, and manipulated. The most popular example of a database model is the relational model, which uses a table-based format.