Transcription of Database Schema Design Using Entity-Relationship Approach
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Database Schema Design Using Entity-Relationship Approach
1 Database Schema DesignUsingEntity-Relationship Approach (ER Approach or ER Model)Tok Wang LingNational University of Singapore2 TopicsER Model2 Concepts/Constructs in ER Approach and diagramoCardinality vs. Participation ConstraintoWeak Entity Type, EX/ID Relationship Types, generalization and specializationoSome extensions: Aggregation, Multiple FDs Representation English Sentence Structure and ER Diagramoself study ER Construct Notation Comparison Database Schema Design Using ER Approach Translation of a (Normal Form) ER Diagram to a RDB A Normal Form for ER Diagram333 ER Approach was proposed by Prof.
11. Composite Attribute. Identifier of entity type-A . minimal set . of attributes K of an entity type E which defines a one-to-one mapping from E into the Cartesian Product of the
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