View PDF - CiteSeerX
... what exactly an \ontology" is. In particular, there is a question as to whether \exemplars," the individual items lling an ontological de nition count as part of the ontology. Thus, for example, does a knowledge base containing information about thousands of cities and the countries they are found ...
... what exactly an \ontology" is. In particular, there is a question as to whether \exemplars," the individual items lling an ontological de nition count as part of the ontology. Thus, for example, does a knowledge base containing information about thousands of cities and the countries they are found ...
Introduction to Databases
... Runtime state is kept in process memory between calls during a session. Requires memory in the SGA for all logged-on users. Runtime state is refreshed after each database call. Requires memory in the SGA for users concurrently calling the same program. ...
... Runtime state is kept in process memory between calls during a session. Requires memory in the SGA for all logged-on users. Runtime state is refreshed after each database call. Requires memory in the SGA for users concurrently calling the same program. ...
Module 1 – Background - Dalhousie University
... – Separation and isolation of data • Application programs often access many files – Duplication of data • Data needed in several departments will be entered into each department’s system – Data dependence • Application programs need to be updated if file formats are changed – Incompatibility of file ...
... – Separation and isolation of data • Application programs often access many files – Duplication of data • Data needed in several departments will be entered into each department’s system – Data dependence • Application programs need to be updated if file formats are changed – Incompatibility of file ...
data warehousing and olap technology
... adopts either a star or a snowflake model and a subjectoriented database design. This system often spans multiple versions of a database schema, due to the evolutionary process of an organization. These systems also deal with information that originates from different organization, integrating infor ...
... adopts either a star or a snowflake model and a subjectoriented database design. This system often spans multiple versions of a database schema, due to the evolutionary process of an organization. These systems also deal with information that originates from different organization, integrating infor ...
SQL Server Performance Methodology with Oracle
... • Technical Note 9: Best Practices for Microsoft SQL Server Disk Layout with Siebel Applications This note seeks to cover some of the common issues that we see in database/disk configuration with Oracle Apps and types of configurations that you can use when planning the layout of your database. It i ...
... • Technical Note 9: Best Practices for Microsoft SQL Server Disk Layout with Siebel Applications This note seeks to cover some of the common issues that we see in database/disk configuration with Oracle Apps and types of configurations that you can use when planning the layout of your database. It i ...
Extended File System Metadata Management with Relational
... more often than users would insert, delete, or update files. Each system call in the existing file system has been rewritten as an equivalent using SQL queries. For example, adding an extended attribute to a file requires two tasks: an inode lookup for the file path given, as well as an INSERT state ...
... more often than users would insert, delete, or update files. Each system call in the existing file system has been rewritten as an equivalent using SQL queries. For example, adding an extended attribute to a file requires two tasks: an inode lookup for the file path given, as well as an INSERT state ...
Introduction to SQL : Structured Query Language : EDUGRABS : http
... 2. Well Defined Standards Exist - SQL Databases use long-established standard, which is being adopted by ANSI and ISO. Non SQL databases do not adhere to any clear standard. 3. SQL as a language is independent of the way it is independent of the way it is implemented internally. A quey returns the s ...
... 2. Well Defined Standards Exist - SQL Databases use long-established standard, which is being adopted by ANSI and ISO. Non SQL databases do not adhere to any clear standard. 3. SQL as a language is independent of the way it is independent of the way it is implemented internally. A quey returns the s ...
FaceKit: A Database Interface Design Toolkit
... directly into the interface. Similarly, interface objects arc actually stored in the databaseand have the samestructure as databaseobjects. Thus, only one view of objects exists. Even those UIMS’s which sham some data between the interface and the application still require the user to view interface ...
... directly into the interface. Similarly, interface objects arc actually stored in the databaseand have the samestructure as databaseobjects. Thus, only one view of objects exists. Even those UIMS’s which sham some data between the interface and the application still require the user to view interface ...
CS342-Phase-5 Joel Medina Simranjeet Singh
... information needed for database. Entity –Relationship (ER) modeling is an important step in information system design and software engineering. One of the requirements of such a “distributed system” was to make the files and databases in different nodes of the network compatible with each other. The ...
... information needed for database. Entity –Relationship (ER) modeling is an important step in information system design and software engineering. One of the requirements of such a “distributed system” was to make the files and databases in different nodes of the network compatible with each other. The ...
SQL Server 2016 and Power BI Presentation Materials
... is enabled. Tables can continue to be queried Queries against tables run against both local database and remote endpoint Stretch Database leverages processing power in Azure to run queries against remote data by rewriting the query. You can see this rewriting as a "remote query" operator in the new ...
... is enabled. Tables can continue to be queried Queries against tables run against both local database and remote endpoint Stretch Database leverages processing power in Azure to run queries against remote data by rewriting the query. You can see this rewriting as a "remote query" operator in the new ...
Week 5 Lab Guide - Computing at Queen`s
... In this series of practical documents we have been looking at implementing databases within a Project Management application. In particular being able to query the database for data already held, update this data and delete what we no longer need. We have also considered adding new data and realise ...
... In this series of practical documents we have been looking at implementing databases within a Project Management application. In particular being able to query the database for data already held, update this data and delete what we no longer need. We have also considered adding new data and realise ...
Interactive Browsing and Navigation in Relational Databases
... relevant entities (e.g., authors, keywords). This representation is formed by pivoting a query result of a join of multiple tables (e.g., Papers, Paper keywords, Authors) to a user-selected entity type (e.g., Papers). One advantage of this representation is that it can simultaneously present all rel ...
... relevant entities (e.g., authors, keywords). This representation is formed by pivoting a query result of a join of multiple tables (e.g., Papers, Paper keywords, Authors) to a user-selected entity type (e.g., Papers). One advantage of this representation is that it can simultaneously present all rel ...
LN3
... – If the primary key value of the tuple being deleted is referenced from other tuples in the database • Can be remedied by several actions: RESTRICT, CASCADE, SET NULL (see Chapter 8 for more details) – RESTRICT option: reject the deletion – CASCADE option: propagate the new primary key value into t ...
... – If the primary key value of the tuple being deleted is referenced from other tuples in the database • Can be remedied by several actions: RESTRICT, CASCADE, SET NULL (see Chapter 8 for more details) – RESTRICT option: reject the deletion – CASCADE option: propagate the new primary key value into t ...
An Introduction to Database Access on the Web
... Reviewed client-server architecture Simulated how ASP can be used to retrieve data from an SQL Server database Explained ASP code in detail ...
... Reviewed client-server architecture Simulated how ASP can be used to retrieve data from an SQL Server database Explained ASP code in detail ...
rdms concepts 29.05.2008 - National Science Digital Library
... Physical schema: database design at the physical level (explains how it is stored in computer! ) Logical schema: database design at the logical level ( explains what need to be stored !) Instance – the actual content of the database at a particular point in time ...
... Physical schema: database design at the physical level (explains how it is stored in computer! ) Logical schema: database design at the logical level ( explains what need to be stored !) Instance – the actual content of the database at a particular point in time ...
0.4 - Software Engineering | RIT - Rochester Institute of Technology
... Due to the large user base of the system, a large number of end user systems must be supported. This will require the user interface be designed and implemented in a standards compliant way so that users can get the most out of it. Due to a smaller user base, and a smaller system base, the evaluator ...
... Due to the large user base of the system, a large number of end user systems must be supported. This will require the user interface be designed and implemented in a standards compliant way so that users can get the most out of it. Due to a smaller user base, and a smaller system base, the evaluator ...
What Is a Database?
... from depositor, account where depositor.customer-id = ‘192-83-7465’ and depositor.account-number = account.account-number ...
... from depositor, account where depositor.customer-id = ‘192-83-7465’ and depositor.account-number = account.account-number ...
Applications of the Join Operation in the REA Data Model
... performed when the relationship between records on a set of specific data fields in that table is of interest (e.g., we may be interested in the customer’s purchasing behavior after they have purchased a specific product.) Some of these join operations are required to retrieve disaggregated informat ...
... performed when the relationship between records on a set of specific data fields in that table is of interest (e.g., we may be interested in the customer’s purchasing behavior after they have purchased a specific product.) Some of these join operations are required to retrieve disaggregated informat ...
Conceptual Design Using the ER Model
... Another constraint that cannot be express in SQL is the requirement that each employee must manage at least one department. Such cases requires constraints that involve more than one table. In SQL, this is achieved using Assertions, which are constraints that associated to multiple relations or tabl ...
... Another constraint that cannot be express in SQL is the requirement that each employee must manage at least one department. Such cases requires constraints that involve more than one table. In SQL, this is achieved using Assertions, which are constraints that associated to multiple relations or tabl ...
WISC & AS3AP
... often -- only fetch needed information. – Improve performance by storing a denormalized relation • E.g., store join of account and depositor; branch-name and balance information is repeated for each holder of an account, but join need not be computed repeatedly. • better to use materialized views (m ...
... often -- only fetch needed information. – Improve performance by storing a denormalized relation • E.g., store join of account and depositor; branch-name and balance information is repeated for each holder of an account, but join need not be computed repeatedly. • better to use materialized views (m ...
Release notes PX-Web 2017 v1
... Caching of saved queries For performance reasons saved queries are now being cached in PX-Web. This means that when a saved query is being requested by a user it is also stored in the saved query cache. The next time the saved query is being requested it is taken from the cached instead of being loa ...
... Caching of saved queries For performance reasons saved queries are now being cached in PX-Web. This means that when a saved query is being requested by a user it is also stored in the saved query cache. The next time the saved query is being requested it is taken from the cached instead of being loa ...
9/9 - SEAS - University of Pennsylvania
... Theoretically: a relation is a set of tuples; no tuple can occur more than once Real systems may allow duplicates for efficiency or other reasons – we’ll ignore this for now Objects and XML may also have the same content with different “identity” ...
... Theoretically: a relation is a set of tuples; no tuple can occur more than once Real systems may allow duplicates for efficiency or other reasons – we’ll ignore this for now Objects and XML may also have the same content with different “identity” ...
TDD - Informatics Homepages Server
... Project report and presentation – 15% A clear problem statement Motivation and challenges Key ideas, techniques/approaches ...
... Project report and presentation – 15% A clear problem statement Motivation and challenges Key ideas, techniques/approaches ...
essbase aso tuning and optimization for mere mortals
... relational databases; the rules files creation process is same; and one or more data sources can be loaded at the same time and those sources can be loaded with or without rules files depending on the data layout. While these concepts hold true for both BSO and ASO, the way the data is stored in ASO ...
... relational databases; the rules files creation process is same; and one or more data sources can be loaded at the same time and those sources can be loaded with or without rules files depending on the data layout. While these concepts hold true for both BSO and ASO, the way the data is stored in ASO ...