PPT-Entity Relationship Diagrams

Joe Meehean 1 Entity Relationship Model Entity type an object noun eg student attributes eg last name Relationship association between entity types bidirectional relationship between entities. Chapter 4. Requirements Specification. & Documentation. start. Chap. 2:. Elicitation. techniques. Chap. 3:. Evaluation. techniques. . alternative options. agreed. requirements. documented requirements. Chapter 16. Applying UML and Patterns. Craig Larman. Objective. Create design class diagrams (DCDs).. Identify the classes, methods, and associations to show in a DCD. . Class Diagrams. The UML has notation for showing design details in static structure. . INTRODUCTION. Electrical diagrams are drawings in which lines, symbols, letter and number combinations are used to represent electrical circuits. . In some plants, electrical diagrams may also be called prints, or blue prints. 1. DEVELOPMENT OF INTERACTION DIAGRAMS. Should an axial compressive load be applied to a short concrete member, it will be . subjected to . a uniform strain or shortening, as is shown in Figure 10.3(a). If a moment . The Post Office Problem. POORiA Haddad. Haddad.pooria@yahoo.com. Computer Science Autumn 2014. Yazd University. Outline. Definition and Basic Properties. Computing the Voronoi Diagram. Voronoi Diagrams of Line Segments. 1. Enhanced-ER (EER) Model Concepts. Includes all modeling concepts of basic ER . Additional concepts: subclasses/. superclasses. , specialization/generalization, categories, attribute inheritance. Entity. “An . entity. is a business object that represents a group, or category of data.”. 1. Do we know a similar concept? . 1) Stephens, R.K. and Plew. R.R., 2001. . Database Design. . SAMS, Indianapolis , IN.. 2. Outline. Data Modeling: Big picture. E-R Model. Attributes. types. Relationships. connectivity, cardinality. strength, participation, degree. Entities. composite entity. supertype/subtype. Table Normalization. MARYAM ALDOSSRAAY. 200700562. DEMAH AL-SHAMMASI. 200800222. Out Line . History of sketching . How to draw bubble diagram. Artist . History of . Sketching . Sketching: . is . a rapidly executed freehand . 12. th. Edition. Jeff Hoffer, Ramesh . Venkataraman, . Heikki Topi. . Chapter 4. : Part B. Logical Database Design and the Relational Model. Transforming EER Diagrams into Relations. Mapping Regular Entities to Relations . Nature of science: . Visualization of models: The visualization of the description of events in terms of spacetime diagrams is an enormous advance in understanding the concept of spacetime. . Understandings: . Chapter Five: Data Modeling with the Entity-Relationship Model Chapter Objectives To understand the two-phase data modeling/database design process To understand the purpose of the data modeling process Peng Li, Jing Jiang, . Yinglin. Wang. Shanghai Jiao Tong University. Singapore Management University. An Example Entity Summary. July 13, 2010. ACL 2010. 2. An Example Entity Summary. July 13, 2010. Queries . Using . an . Extended . Graph Model. Ankur. . Agrawal. . S. Sudarshan . Ajitav. . Sahoo. . Adil. . Sandalwala. . Prashant. . Jaiswal. . IIT . Bombay. History of Keyword Queries.