'Recursive relationships' presentation slideshows

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(Extended) Entity Relationship Modelling and Mappings to the Relational Data Model

(Extended) Entity Relationship Modelling and Mappings to the Relational Data Model

(Extended) Entity Relationship Modelling and Mappings to the Relational Data Model. Simplified phases of Database Design. Mini World. Requirements collection & analysis. Database requirements. Conceptual design. DBMS . Conceptual schema. Independent. (in a high level data model).

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911 views • 58 slides
System-Wide Evaluation of ICT in Education

System-Wide Evaluation of ICT in Education

System-Wide Evaluation of ICT in Education. Faculty Seminar Center for Information Technology in Education University of Hong Kong Ronald (Ron) Anderson University of Minnesota. Outline/Overview. Why evaluate? But obstacles. Systemic or organizational approaches Grappling Model

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881 views • 50 slides
HSQ - DATABASES & SQL

HSQ - DATABASES & SQL

And Franchise Colleges. HSQ - DATABASES & SQL. 10 ER Problems and Styles. By MANSHA NAWAZ. m. Is composed of. Component. 1. Introduction: Recursive Relationships. Entities may have relationships with themselves:. The Enterprise Rule:

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495 views • 37 slides
Fundamentals/ICY: Databases 2012/13 WEEK 7

Fundamentals/ICY: Databases 2012/13 WEEK 7

Fundamentals/ICY: Databases 2012/13 WEEK 7. John Barnden Professor of Artificial Intelligence School of Computer Science University of Birmingham, UK. Reminder of Week 6. A Generalization Hierarchy with Overlapping Subtypes. Actual Realization of Subtyping.

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368 views • 27 slides
LOGICAL DATABASE DESIGN

LOGICAL DATABASE DESIGN

LOGICAL DATABASE DESIGN. Starting Point --> Local Conceptual Models Database design methodology: conceptual, logical and physical database design. Logical database Design:

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759 views • 21 slides
Data modeling using E/R diagramming

Data modeling using E/R diagramming

Data modeling using E/R diagramming. Why analyze data? Notation for E/R Entities with attributes Types of attributes Relationships Cardinality History / things evolve Total participation Weak entities Steen Jensen, autumn 2013. Why analyze data?.

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375 views • 21 slides
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331 views • 13 slides
5. Data Modeling

5. Data Modeling

5. Data Modeling. J. Stephen Schiavo Missouri Southern State University. Introduction. Model: A representation of reality Logical model: the essence of the system Not constrained by platform or technology

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259 views • 12 slides

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