Document
... • Requirements Analysis – user needs; what must database do? • Conceptual Design – high level description (often done w/ER model) • Logical Design – translate ER into DBMS data model • Schema Refinement – consistency, normalization • Physical Design - indexes, disk layout • Security Design - who acc ...
... • Requirements Analysis – user needs; what must database do? • Conceptual Design – high level description (often done w/ER model) • Logical Design – translate ER into DBMS data model • Schema Refinement – consistency, normalization • Physical Design - indexes, disk layout • Security Design - who acc ...
Compile-Time Path Expansion in Lore 1
... path expression operators with the actual set of possible matching paths, eliminating unnecessary exploration of the full database at run-time. Cycles must be handled carefully: the semantics of Lorel is to traverse a data cycle no more than once when evaluating a path expression with a closure oper ...
... path expression operators with the actual set of possible matching paths, eliminating unnecessary exploration of the full database at run-time. Cycles must be handled carefully: the semantics of Lorel is to traverse a data cycle no more than once when evaluating a path expression with a closure oper ...
Lecture 2
... stored in the database, what applications must be built on top of it, and what operations are most frequent and subject to performance requirements. In other words, we must find out what the users want from the database. Several methodologies have been proposed for organizing and presenting the info ...
... stored in the database, what applications must be built on top of it, and what operations are most frequent and subject to performance requirements. In other words, we must find out what the users want from the database. Several methodologies have been proposed for organizing and presenting the info ...
Data Source Architectural Patterns
... Use the Record Set to hold the result that comes from the SQL query This is conceptually messy, as ideally the in-memory object doesn't have to know anything about the SQL interface It may also make it difficult to substitute the database for a file if you can't easily create record sets in your own ...
... Use the Record Set to hold the result that comes from the SQL query This is conceptually messy, as ideally the in-memory object doesn't have to know anything about the SQL interface It may also make it difficult to substitute the database for a file if you can't easily create record sets in your own ...
Slides - Indico
... panel of experts convened by Battelle: – “The Global Cyber Net: Communications and information are the lifeblood of security. Today we enjoy a worldwide web, which is open but unsecured. In the future, we will have a global cyber net that is faster and better protected than today… Software will cont ...
... panel of experts convened by Battelle: – “The Global Cyber Net: Communications and information are the lifeblood of security. Today we enjoy a worldwide web, which is open but unsecured. In the future, we will have a global cyber net that is faster and better protected than today… Software will cont ...
An External Interface Architecture - cs.Virginia
... applications, but these required features are needed in many commercial applications as well. We are developing a distributed database, called BeeHive, which could offer features along different types of requirements: real-time, fault-tolerance, security, and quality-of service for audio and video. ...
... applications, but these required features are needed in many commercial applications as well. We are developing a distributed database, called BeeHive, which could offer features along different types of requirements: real-time, fault-tolerance, security, and quality-of service for audio and video. ...
marked - Kansas State University
... depositor : stores information about which customer owns which account customer : stores information about customers Storing all information as a single relation such as bank(account_number, balance, customer_name, ..) results in repetition of information (e.g., two customers own an account) t ...
... depositor : stores information about which customer owns which account customer : stores information about customers Storing all information as a single relation such as bank(account_number, balance, customer_name, ..) results in repetition of information (e.g., two customers own an account) t ...
Review on Data Warehouse, Data Mining and OLAP Technology: As
... data mining techniques on the data warehouse to extract different kinds of information which would eventually assist the decision making process of an organization (figure 3). For example, if certain books are rarely used by member of particular library, while same books are frequently used at other ...
... data mining techniques on the data warehouse to extract different kinds of information which would eventually assist the decision making process of an organization (figure 3). For example, if certain books are rarely used by member of particular library, while same books are frequently used at other ...
Multiparadigm Design of a Simple Relational Database
... use of a comparative operator as a clause in a logic relation. In a pure sense, the logic paradigm does not support this, but a multiparadigm language like Leda or G [4] might, and it may add capability to a logic solution that otherwise would be extremely difficult. At a higher level, we may look a ...
... use of a comparative operator as a clause in a logic relation. In a pure sense, the logic paradigm does not support this, but a multiparadigm language like Leda or G [4] might, and it may add capability to a logic solution that otherwise would be extremely difficult. At a higher level, we may look a ...
Advancements in web-database applications for rabies surveillance
... time period or species, there were no facilities for summarising queried data in other formats (e.g. plot, table) or for summarising a wider variety of surveillance data characteristics (e.g. type of sampling method, number of samples tested for rabies). Furthermore, the integration of data required ...
... time period or species, there were no facilities for summarising queried data in other formats (e.g. plot, table) or for summarising a wider variety of surveillance data characteristics (e.g. type of sampling method, number of samples tested for rabies). Furthermore, the integration of data required ...
Parallel DBMS
... Parallel Scans Scan in parallel, and merge. Selection may not require all sites for range or hash partitioning. Indexes can be built at each partition. ...
... Parallel Scans Scan in parallel, and merge. Selection may not require all sites for range or hash partitioning. Indexes can be built at each partition. ...
Introduction to Oracle
... User Privileges and Roles in Oracle Users in Oracle may have certain privileges CREATE SESSION – allows the users to connect to DB ...
... User Privileges and Roles in Oracle Users in Oracle may have certain privileges CREATE SESSION – allows the users to connect to DB ...
bdbms: A Database Management System for Biological Data
... multidimensional data (kd-tree, quadtree, …) [SSDBM01, JIIS01, ICDE04, ICDE06 ] Suitable for protein 3D structures and surface shape matching ...
... multidimensional data (kd-tree, quadtree, …) [SSDBM01, JIIS01, ICDE04, ICDE06 ] Suitable for protein 3D structures and surface shape matching ...
02010_PPT_ch10
... • Logical unit of work that must be either entirely completed or aborted • Successful transaction changes database from one consistent state to another – One in which all data integrity constraints are satisfied ...
... • Logical unit of work that must be either entirely completed or aborted • Successful transaction changes database from one consistent state to another – One in which all data integrity constraints are satisfied ...
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How Independent Software Companies are Leveraging
... • Solution: Amazon.com selected Berkeley DB to serve as a high speed cache in front of their massive products and offerings database built on Oracle Database. When customers view Amazon.com’s pages, all the product information, pricing, recommendations, user reviews, etc. are retrieved from Berkeley ...
... • Solution: Amazon.com selected Berkeley DB to serve as a high speed cache in front of their massive products and offerings database built on Oracle Database. When customers view Amazon.com’s pages, all the product information, pricing, recommendations, user reviews, etc. are retrieved from Berkeley ...
Oracle Database Cloud – Multitenant Service security lockdown
... Database operations that might allow one tenant user to access another tenant’s data or code including: • Any GRANTs on anything to anyone, or any option, feature or supplied PL/SQL that provides granted access to PUBLIC, ANONYMOUS or APEX_PUBLIC_USER. • Tenant users with objects with “coded identif ...
... Database operations that might allow one tenant user to access another tenant’s data or code including: • Any GRANTs on anything to anyone, or any option, feature or supplied PL/SQL that provides granted access to PUBLIC, ANONYMOUS or APEX_PUBLIC_USER. • Tenant users with objects with “coded identif ...
Design of the MANDATE MIB
... and communication characteristics. Due to this complexity, and due to the disparity among management systems for individual subnetworks, efficient management of enterprise networks is an extremely challenging problem. Network researchers are generally in common agreement that a global network data b ...
... and communication characteristics. Due to this complexity, and due to the disparity among management systems for individual subnetworks, efficient management of enterprise networks is an extremely challenging problem. Network researchers are generally in common agreement that a global network data b ...
4/3 Physical Database Design
... “We note that numerous improvements have been proposed to the basic RAID schemes described here. As a result, sometimes there is confusion about the exact definitions of the different RAID levels.” ...
... “We note that numerous improvements have been proposed to the basic RAID schemes described here. As a result, sometimes there is confusion about the exact definitions of the different RAID levels.” ...
How to change UserID and Password in Oracle.
... Rule 4: Dynamic On-line Catalog based on the Relational Model The database description is represented at the logical level in the same way as ordinary data, so authorized users can apply the same relational language to its interrogation as they apply to regular data. Rule 5: Comprehensive Data Subla ...
... Rule 4: Dynamic On-line Catalog based on the Relational Model The database description is represented at the logical level in the same way as ordinary data, so authorized users can apply the same relational language to its interrogation as they apply to regular data. Rule 5: Comprehensive Data Subla ...
Settings files and registry
... If you encounter a crash every time you start Flex, do not panic. It is very unlikely that you lost any data. Several problems could cause this: When working with daily versions of Flex, this may be due to changes in the information stored in settings files making the old setting incompatible. Thi ...
... If you encounter a crash every time you start Flex, do not panic. It is very unlikely that you lost any data. Several problems could cause this: When working with daily versions of Flex, this may be due to changes in the information stored in settings files making the old setting incompatible. Thi ...
FG33950952
... therefore to overcome the weakness of traditional databases, data warehouse have been developed. Data warehouse is the collection of many materialized view which are used to answer some aggregate queries. Materialized view can give fast query response rather than accessing the data from base table. ...
... therefore to overcome the weakness of traditional databases, data warehouse have been developed. Data warehouse is the collection of many materialized view which are used to answer some aggregate queries. Materialized view can give fast query response rather than accessing the data from base table. ...
Networked Applications
... Applications in this Chapter • There are many applications • We will only look at 3 networked applications – Web-enabled database access – Internet E-mail – IP telephony for voice-data convergence ...
... Applications in this Chapter • There are many applications • We will only look at 3 networked applications – Web-enabled database access – Internet E-mail – IP telephony for voice-data convergence ...