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Documents Dr. A.I. Cristea acristea/ CS 319: Theory of Databases.

Slide 1Dr. A.I. Cristea http://www.dcs.warwick.ac.uk/~acristea/ CS 319: Theory of Databases Slide 2 2 … previous Armstrong axioms Slide 3 3 Content 1.Generalities DB 2.Integrity…

Documents Normal Forms By Christopher Archibald October 16 th 2007.

Slide 1 Normal Forms By Christopher Archibald October 16 th 2007 Slide 2 Overview Database Normalization 1 st Normal Form 2 nd Normal Form 3 rd Normal Form Boyce- Codd Normal…

Documents 1 NORMALISATION. 2 Introduction Overview Objectives Intro. to Subject Why we normalise 1, 2 & 3 NF.....

Slide 1 1 NORMALISATION Slide 2 2 Introduction Overview Objectives Intro. to Subject Why we normalise 1, 2 & 3 NF Normalisation Process Example Summary Slide 3 3 Overview…

Documents NORMALIZATION

NORMALIZATION FIRST NORMAL FORM (1NF): A relation R is in 1NF if all attributes have atomic value = one value for an attribute = no repeating groups = no multivalued attributes…