Documents CS157B - Fall 2004

CS157B - Fall 2004 Entity-Relationship Data Model Entity Sets a collection of similar entities Attributes properties of the entities in an entity set Relationships connection…

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…

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…

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…