'Join dependency' diaporamas de présentation

Lecture 3 on Data Normalization

Lecture 3 on Data Normalization. Study the methods of first, second, third, Boyce-Codd, fourth and fifth normal form for relational database design, in order to eliminate data redundancy and update abnormality.

529 views • 41 slides

Normalization

500 views • 36 slides

13.1 Introduction

13.1 Introduction. Multi-valued dependency (MVD) ? 4NF Join dependency (JD) ? 5NF. 13.2 Multi-valued Dependencies and Fourth Normal Form (1/5). Example (See Fig. 13.1) Assumptions: 1. For a given course c , there can be any number m of

348 views • 21 slides

13.1 Introduction

13.1 Introduction. Multi-valued dependency (MVD) ? 4NF Join dependency (JD) ? 5NF. 13.2 Multi-valued Dependencies and Fourth Normal Form (1/5). Example (See Fig. 13.1) Assumptions: 1. For a given course c , there can be any number m of

221 views • 21 slides

Database Design Issues, Part I

236 views • 20 slides

METU Department of Computer Eng Ceng 302 Introduction to DBMS Further Dependencies

METU Department of Computer Eng Ceng 302 Introduction to DBMS Further Dependencies. by Pinar Senkul resources: mostly froom Elmasri, Navathe and other books. Outline. Multivalued Dependencies and Fourth Normal Form Join Dependencies and Fifth Normal Form.

149 views • 13 slides