functional dependency
... Database Keys and Functional Dependencies A database primary key is an example of what mathematicians call a “functional dependency”. We can think of a function as a black box with input and output. If the box is a function, then each time we put in a specific input, we get the same output. ...
... Database Keys and Functional Dependencies A database primary key is an example of what mathematicians call a “functional dependency”. We can think of a function as a black box with input and output. If the box is a function, then each time we put in a specific input, we get the same output. ...
Physical Database Design Presentation
... Questions to answer during physical design for the sample database How should the super-type of EMPLOYEE be related to the required sub-types? Separate tables or the same table? How do you relate a sub-type of a generalization relationship (FACULTY) with a weak entity (COURSE ...
... Questions to answer during physical design for the sample database How should the super-type of EMPLOYEE be related to the required sub-types? Separate tables or the same table? How do you relate a sub-type of a generalization relationship (FACULTY) with a weak entity (COURSE ...
Slide 1 - Management Support System
... and vice versa • Describe how database technologies and methods as part of business intelligence/business analytics improve decision making • Describe web intelligence/web analytics and their importance to organizations ...
... and vice versa • Describe how database technologies and methods as part of business intelligence/business analytics improve decision making • Describe web intelligence/web analytics and their importance to organizations ...
Slide 1 - Management Support System
... and vice versa • Describe how database technologies and methods as part of business intelligence/business analytics improve decision making • Describe web intelligence/web analytics and their importance to organizations ...
... and vice versa • Describe how database technologies and methods as part of business intelligence/business analytics improve decision making • Describe web intelligence/web analytics and their importance to organizations ...
Database System Development Lifecycle
... about the organization to be supported by the database system, and using this information to identify the requirements for the new system. Information is gathered for each major user view including: a description of data used or generated; details of how data is to be used/generated; any add ...
... about the organization to be supported by the database system, and using this information to identify the requirements for the new system. Information is gathered for each major user view including: a description of data used or generated; details of how data is to be used/generated; any add ...
Entity Framework
... Hard to maintain (e.g. SQL queries, dependent classes etc. might be spread in many places) Application and db domains are probably not the same Etc. ...
... Hard to maintain (e.g. SQL queries, dependent classes etc. might be spread in many places) Application and db domains are probably not the same Etc. ...
CS 122: Last Lecture
... https://genome.ucsc.edu/index.html Public MySQL Database https://genome.ucsc.edu/goldenPath/help/mysql.html ...
... https://genome.ucsc.edu/index.html Public MySQL Database https://genome.ucsc.edu/goldenPath/help/mysql.html ...
chap01-db
... A DBMS consists of: A collection of interrelated and persistent data. This part of DBMS is referred to as database (DB). A set of application programs used to access, update, and manage data. This part constitutes data management system (MS). A DBMS is general-purpose software i.e., not applicat ...
... A DBMS consists of: A collection of interrelated and persistent data. This part of DBMS is referred to as database (DB). A set of application programs used to access, update, and manage data. This part constitutes data management system (MS). A DBMS is general-purpose software i.e., not applicat ...
oNTRAK - Turner Scale, Inc.
... oNTRAK™ OnTrak provides simple ticketing automation to enterprises that currently have manual ticketing systems. OnTrak is intuitive, reliable, compatible with the most popular operating systems, adaptable to a wide variety of industries, configurable and does not require an in-house IT staff to kee ...
... oNTRAK™ OnTrak provides simple ticketing automation to enterprises that currently have manual ticketing systems. OnTrak is intuitive, reliable, compatible with the most popular operating systems, adaptable to a wide variety of industries, configurable and does not require an in-house IT staff to kee ...
Session 16
... database to other databases or to operating systems. Databases can be linked with other databases so that a users can access data from either DBs. This is done via links. For example, Oracle allows two types of links: ...
... database to other databases or to operating systems. Databases can be linked with other databases so that a users can access data from either DBs. This is done via links. For example, Oracle allows two types of links: ...
ORDBMS
... Basic Idea • Extend the relational model – do not throw away that strength – recognise that OO has additional strengths – add OO features to existing systems ...
... Basic Idea • Extend the relational model – do not throw away that strength – recognise that OO has additional strengths – add OO features to existing systems ...
Physical design
... – What hardware and software options are available? Make out a processing system classification for each tool considered. – Which tools are suitable for which components? – Can the components of a function be treated separately or are they ...
... – What hardware and software options are available? Make out a processing system classification for each tool considered. – Which tools are suitable for which components? – Can the components of a function be treated separately or are they ...
Project Plan
... The Forge database was written by a co-op Industrial Engineering student in 2002 to store some process variables about the forging process. The solution was implemented in Access but the co-op had no database design knowledge and focused on defining the parameters that should be tracked instead of t ...
... The Forge database was written by a co-op Industrial Engineering student in 2002 to store some process variables about the forging process. The solution was implemented in Access but the co-op had no database design knowledge and focused on defining the parameters that should be tracked instead of t ...
Oracle PL/SQL - Pellissippi State Community College
... Originally modeled after ADA • Created for Dept. of Defense ...
... Originally modeled after ADA • Created for Dept. of Defense ...
Operational Systems - Sheffield Hallam University
... Very highly optimised towards fast writing / retrieval of small items of data (eg Oracle, DB2, SQL-Server, MySQL = very long established, huge $$ research investments) ...
... Very highly optimised towards fast writing / retrieval of small items of data (eg Oracle, DB2, SQL-Server, MySQL = very long established, huge $$ research investments) ...
3The Relational Model
... The specification of structure and constraints is done using a data definition language (DDL), and the specification of manipulation is done using a data manipulation language (DML). The most prominent structures that have been used for databases to date are graphs in the network, semantic, and obje ...
... The specification of structure and constraints is done using a data definition language (DDL), and the specification of manipulation is done using a data manipulation language (DML). The most prominent structures that have been used for databases to date are graphs in the network, semantic, and obje ...
Week 6
... Availability is the condition where a given resource can be accessed by its consumers. Mandate for 24x7 availability Shrinking maintenance window Full-time availability: airline reservation systems, credit card approval Cost of downtime ...
... Availability is the condition where a given resource can be accessed by its consumers. Mandate for 24x7 availability Shrinking maintenance window Full-time availability: airline reservation systems, credit card approval Cost of downtime ...
CS206 --- Electronic Commerce
... Complete Book (also used in CS245) or have FCDB/2nd E. If so, we’ll give you a free copy of the major additions in FCDB/3rd E. ...
... Complete Book (also used in CS245) or have FCDB/2nd E. If so, we’ll give you a free copy of the major additions in FCDB/3rd E. ...