'Multivalued attribute' presentation slideshows

Chapter 3: Relational Model

Chapter 3: Relational Model. Structure of Relational Databases Convert a ER Design to a Relational Database Relational Algebra Tuple Relational Calculus Domain Relational Calculus Extended Relational-Algebra-Operations Modification of the Database Views. Relation.

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????? 5. ????????????????????? ????? ??. ?. ??. ???? ????????. CS (204)321 ????????????? 1 (Database System I). Outlines. 1) Database design process 2) ER Model concepts 3) ER diagrams notation 4) Relationships and relationship types 5) Degree of relationship types

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Chapter 4

Chapter 4. Entity Relationship (ER) Modeling Database Systems: Design, Implementation, and Management, Sixth Edition, Rob and Coronel. In this chapter, you will learn:.

759 views • 63 slides

Chapter 4

Chapter 4. Entity Relationship (ER) Modeling Database Systems: Design, Implementation, and Management, Sixth Edition, Rob and Coronel. In this chapter, you will learn:.

623 views • 62 slides

IS 325 Notes for Wednesday September 4, 2013

IS 325 Notes for Wednesday September 4, 2013. Syllabus Change. I eliminated quizzes I increased the points allocated to homework assignments. Entity-Relationship Modeling/Diagrams. Entity-relationship (ER) modeling - conceptual database modeling technique

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Chapter 4 Entity Relationship (E-R) Modeling

Chapter 4 Entity Relationship (E-R) Modeling. Database Systems: Design, Implementation, and Management Peter Rob & Carlos Coronel. In this chapter, you will learn:.

609 views • 39 slides

Fundamentals/ICY: Databases 2010/11 WEEK 6

Fundamentals/ICY: Databases 2010/11 WEEK 6. John Barnden Professor of Artificial Intelligence School of Computer Science University of Birmingham, UK. Multivalued Attributes in ERMs and ERDs (now with more explanation). A Multivalued Attribute in an Entity: CAR_COLOR gives multiple colours.

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Session 2

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Fundamentals/ICY: Databases 2013/14 WEEK 6 - Friday

Fundamentals/ICY: Databases 2013/14 WEEK 6 - Friday. John Barnden Professor of Artificial Intelligence School of Computer Science University of Birmingham, UK. Reminder of Monday. A Weak Entity in an ERD. New. The Attributes of the STUDENT Entity. Attributes.

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Database Design Lecture 7 part 2 Mapping ERD to Tables

Database Design Lecture 7 part 2 Mapping ERD to Tables . Conversion to Tables. To implement the database in relational DBMS, ERD must be translated to tables different strategies exist, resulting different tables. general rules are

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Reduction of an EER schema to tables

Reduction of an EER schema to tables. Summary of Symbols Used in E-R Notation. Summary of Symbols (Cont.). Alternative E-R Notations. Reduction of an E-R Schema to Tables (1).

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E-R Diagram for a University Enterprise

E-R Diagram for a University Enterprise. Reduction to Relational Schemas. A strong entity set reduces to a schema with the same attributes student( ID , name, tot_cred)

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