'Most relationships' diaporamas de présentation

Chapter 2: Entity-Relationship Model

Chapter 2: Entity-Relationship Model. Entity Sets Relationship Sets Design Issues Mapping Constraints Keys E-R Diagram Extended E-R Features Design of an E-R Database Schema Reduction of an E-R Schema to Tables. Entity Sets. A database can be modeled as: a collection of entities,

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CONFLICT MANAGEMENT 1+2

CONFLICT MANAGEMENT 1+2. Elements of conflict. DEFINITION. Conflict is an expressed struggle between at least two interdependent parties who perceive incompatible goals, scarce rewards and interference from the other party in achieving their goal. Interpersonal Conflict.

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Entity-Relationship Model

Entity-Relationship Model. Lecture 5. Database Modeling and Implementation Process. Ideas . ER Design . Relational Schema. Relational DBMS Implementation. ER Model Components. Entity Sets Attributes Relationships. ER Model.

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Data Analysis 1

Data Analysis 1. Chapter 2.1 V3.1 Copyright @ Napier University Dr Gordon Russell. Entity Relationship Modelling. Overview Database Analysis Life Cycle Components of an Entity Relationship Diagram What is a relationship? Entities, attributes, and relationships in a system

1.11k views • 39 slides

File Processing Systems

Purchasing Program. Billing Program. Buyer file. Inventory file. Vendor file. Accounts receivable file. Customer file. Accounts_Payable Program. Sales Order Processing Program. Payroll Program. Employee file. Inventory file. Vendor file. Invoice file. Customer file.

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Semantic Web Technology in Support of Bioinformatics for Glycan Expression

Semantic Web Technology in Support of Bioinformatics for Glycan Expression. Amit Sheth Large Scale Distributed Information Systems (LSDIS) lab, Univ. of Georgia and Semagix, Inc. W3C workshop on Semantic Web for Life Sciences , October 28, 2004, Cambridge MA

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Contract Law

Contract Law. The law of contract. Most relationships between the stakeholders in business are governed by contracts. A contract is a legally binding agreement between two or more parties; i.e. An agreement that a court will enforce. Elements of a legally binding contract. Offer Acceptance

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E-R Diagrams

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Bullying

Bullying. Conflict vs. Bullying. Learning how to take charge of your own emotional and physical safety, how to act safely and respectfully towards others even if you feel frustrated or upset, how to set boundaries and respect the boundaries of others. Cyber Bullying.

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Symbiotic Relationships

Symbiotic Relationships. Symbiosis. A close relationship between two specie that benefits at least one of the species. Three types are: mutualism, commensalism, parasitism. Mutualism. A relationship in which both species benefit. Represented by +/+ Examples:

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