'Entities relations' presentation slideshows

Global Inference via Linear Programming Formulation

506 views • 40 slides

CSC271 Database Systems

CSC271 Database Systems. Lecture # 29. Summary: Previous Lecture. The normalization process 1NF, 2NF, 3NF Inference rules for FDs BCNF. Summary: Normalization. First normal form (1NF) A relation in which the intersection of each row and column contains one and only one value

423 views • 32 slides

Chapter 17

Chapter 17. Methodology Logical Database Design for the Relational Model. Chapter 17 - Objectives. How to derive a set of relations from a conceptual data model. How to validate these relations using the technique of normalization. Chapter 17 - Objectives.

331 views • 32 slides

Chapter 9

Chapter 9. Methodology - Logical Database Design. Chapter 16 in Textbook. Objectives. Remove features from a local conceptual model that are not compatible with the relational model. Map the conceptual model into relations. Validate these relations using the technique of normalization.

342 views • 23 slides

Chapter 9

Chapter 9. Methodology - Logical Database Design. Chapter 16 in Textbook. Objectives. Remove features from a local conceptual model that are not compatible with the relational model. Map the conceptual model into relations. Validate these relations using the technique of normalization.

235 views • 23 slides

Chapter 9

Chapter 9. Methodology - Logical Database Design. Chapter 16 in Textbook. Objectives. Map the conceptual model into relations. Validate these relations using the technique of normalization. Validate a logical data model to ensure it supports required user transactions.

275 views • 20 slides

Software School of Hunan University 2006.10

Database Systems Design Part III Section 5 Design Methodology. Software School of Hunan University 2006.10. Database Design Flow Diagram. Requirements analyzing. Intelligence. Individual Part 1. Identify Summary,Abstract Deduce, Refine. ER model. Individual Part n.

294 views • 17 slides

Software School of Hunan University 2006.10

Database Systems Design Part III Section 5 Design Methodology. Software School of Hunan University 2006.10. Database Design Flow Diagram. Requirements analyzing. Intelligence. Individual Part 1. Identify Summary,Abstract Deduce, Refine. ER model. Individual Part n.

281 views • 17 slides