The Relational Data Model and Relational Database Constraints
... the ordering of tuples. However, in a file, records are physically stored on disk (or in memory), so there always is an order among the records. This ordering indicates first, second, ith, and last records in the file. Similarly, when we display a relation as a table, the rows are displayed in a cer ...
... the ordering of tuples. However, in a file, records are physically stored on disk (or in memory), so there always is an order among the records. This ordering indicates first, second, ith, and last records in the file. Similarly, when we display a relation as a table, the rows are displayed in a cer ...
Using SAS with Oracle Products for Database Management and Reporting
... links between Oracle and the SAS system. Special attention will be paid to: (1) Proc SQL, which allows SAS to process Standard· Query Language commands; (2) SAS/ACCESS view descriptors, which can be created to make Oracle tables directly accessible to SAS procedures; (3) the SQL pass-through facilit ...
... links between Oracle and the SAS system. Special attention will be paid to: (1) Proc SQL, which allows SAS to process Standard· Query Language commands; (2) SAS/ACCESS view descriptors, which can be created to make Oracle tables directly accessible to SAS procedures; (3) the SQL pass-through facilit ...
Expressive Query Construction through Direct Manipulation of
... logic programming. The ubiquitous search forms of commercial database applications can be seen as restricted versions of QBE tailored for a specific schema; Form Customization [33] generalizes such forms by considering the form designer as part of the query system. In diagram-based systems, the user ...
... logic programming. The ubiquitous search forms of commercial database applications can be seen as restricted versions of QBE tailored for a specific schema; Form Customization [33] generalizes such forms by considering the form designer as part of the query system. In diagram-based systems, the user ...
Privacy-preserving Semantic Interoperation and Access Control of Heterogeneous Databases
... secure multi-party computation originated by Yao [22], and (relational) database specific secure multi-party computation solutions proposed in [4, 14]. While the focus of this research is on how to allow E1 and E2 to integrate their data in such a way that a function f (x, y), where x ∈ D1 and y ∈ D ...
... secure multi-party computation originated by Yao [22], and (relational) database specific secure multi-party computation solutions proposed in [4, 14]. While the focus of this research is on how to allow E1 and E2 to integrate their data in such a way that a function f (x, y), where x ∈ D1 and y ∈ D ...
DB2 Concepts and Terminology for Oracle Professionals Antonio Maranhao, Presenter
... But there is one important difference between DB2 and Oracle. In Oracle, there is a one-to-one correspondence between database and instance. So these two components are very closely related. In DB2, there is a clear distinction between what an instance is and what a database is. For example, both of ...
... But there is one important difference between DB2 and Oracle. In Oracle, there is a one-to-one correspondence between database and instance. So these two components are very closely related. In DB2, there is a clear distinction between what an instance is and what a database is. For example, both of ...
tool selection overview
... trouble-shoot performance problems without completely shutting down two of the three services. ...
... trouble-shoot performance problems without completely shutting down two of the three services. ...
Chapter 1 INTRODUCTION.
... this book, we will be dealing only with computerised databases. In keeping with popular trend though, we will be using the word database to refer to a computerised database. A database (computerised database remember) by itself, is not much use. The data is stored electronically on the computer's di ...
... this book, we will be dealing only with computerised databases. In keeping with popular trend though, we will be using the word database to refer to a computerised database. A database (computerised database remember) by itself, is not much use. The data is stored electronically on the computer's di ...
Exercise 1 – Produce an ERD for UniSpares PURCHASE ORDER
... executed to create the views derived from the ERD’s. ...
... executed to create the views derived from the ERD’s. ...
Top-k Selection Queries over Relational Databases: Mapping Strategies and Performance Evaluation
... Adding this necessary support would free applications and end users from having to add this functionality in their client code. To provide such support efficiently, we need processing techniques that do not necessarily require full sequential scans of the underlying relations. The challenge in provi ...
... Adding this necessary support would free applications and end users from having to add this functionality in their client code. To provide such support efficiently, we need processing techniques that do not necessarily require full sequential scans of the underlying relations. The challenge in provi ...
Computing Consistent Query Answers using Conflict
... queries [2, 12, 17] or cannot guarantee polynomial time computability of consistent query answers [3, 5, 11, 15, 19, 23]. The latter is due to the fact that those approaches rely on the computation of answers sets of logic programs with disjunction and negation – a Σp2 -complete problem. Only the ap ...
... queries [2, 12, 17] or cannot guarantee polynomial time computability of consistent query answers [3, 5, 11, 15, 19, 23]. The latter is due to the fact that those approaches rely on the computation of answers sets of logic programs with disjunction and negation – a Σp2 -complete problem. Only the ap ...
SmartCloud Orchestrator Version 2.3: Capacity Planning, Performance, and Management Guide
... In this document we will provide an SCO 2.3 overview, including functionality, architecture, and performance. We will then offer the capacity planning recommendations, including considerations for hardware configuration, software configuration, and cloud maintenance best practices. A summary “cookbo ...
... In this document we will provide an SCO 2.3 overview, including functionality, architecture, and performance. We will then offer the capacity planning recommendations, including considerations for hardware configuration, software configuration, and cloud maintenance best practices. A summary “cookbo ...
branch-name
... Note that we do not need to use the having clause, since we compute the temporary (view) relation result in the from clause, and the attributes of result can be used directly in the where clause. ...
... Note that we do not need to use the having clause, since we compute the temporary (view) relation result in the from clause, and the attributes of result can be used directly in the where clause. ...
Efficient Parsing-based Keyword Search over Databases
... (e.g., best buy phone), and relate content both inside and outside of “join paths” (e.g., godfather brando — matching a single row in a movie-actor relation versus new york to scottsdale — matching multiple rows in a location relation); such queries are hard to support in keyword search over databas ...
... (e.g., best buy phone), and relate content both inside and outside of “join paths” (e.g., godfather brando — matching a single row in a movie-actor relation versus new york to scottsdale — matching multiple rows in a location relation); such queries are hard to support in keyword search over databas ...
File - gsm 5170 management information system
... Each field depends only on relation’s primary key No derived fields Good database design Mod C-44 ...
... Each field depends only on relation’s primary key No derived fields Good database design Mod C-44 ...
ELM-C
... Each field depends only on relation’s primary key No derived fields Good database design Mod C-44 ...
... Each field depends only on relation’s primary key No derived fields Good database design Mod C-44 ...
WebSphere Application Server V7: Accessing Databases from WebSphere WebSphere Application
... Data sources are associated with a specific JDBC provider and can be viewed or created from the JDBC provider configuration page. You have two options when creating a data source, depending on the J2EE support of the application. Here we discuss creating or modifying data sources for Java EE5, J2EE ...
... Data sources are associated with a specific JDBC provider and can be viewed or created from the JDBC provider configuration page. You have two options when creating a data source, depending on the J2EE support of the application. Here we discuss creating or modifying data sources for Java EE5, J2EE ...
FrontBase® Users Guide
... FrontBase copyright ©2000 by FrontBase Inc. and its licensors. All rights reserved. Documentation within these pages may be printed by licensee for personal use. Except for the foregoing, no part of this documentation may be reproduced or transmitted in any form by any means, electronic or mechanic ...
... FrontBase copyright ©2000 by FrontBase Inc. and its licensors. All rights reserved. Documentation within these pages may be printed by licensee for personal use. Except for the foregoing, no part of this documentation may be reproduced or transmitted in any form by any means, electronic or mechanic ...
High Availability and Disaster Recovery with the HP Enterprise
... The DBC Appliance is built with the concept of a storage block. Each storage block consists of a P2000 G3 iSCSI array controller shelf and three attached D2700 drive shelves. In a half-rack appliance configuration there are two storage blocks and in a full rack design there are four storage blocks. ...
... The DBC Appliance is built with the concept of a storage block. Each storage block consists of a P2000 G3 iSCSI array controller shelf and three attached D2700 drive shelves. In a half-rack appliance configuration there are two storage blocks and in a full rack design there are four storage blocks. ...
ORACLE EXADATA MACHINE X2
... The Exadata Database Machine X2-2 has complete redundancy built in to support the demands of mission critical applications. Each Exadata Database Machine has redundant InfiniBand connectivity, redundant Power Distribution Units (PDU), and the servers all have hot-swappable power supplies for high av ...
... The Exadata Database Machine X2-2 has complete redundancy built in to support the demands of mission critical applications. Each Exadata Database Machine has redundant InfiniBand connectivity, redundant Power Distribution Units (PDU), and the servers all have hot-swappable power supplies for high av ...