Question: Entity,E - R mapping, foreign key, full participation,hierarchical model, logical schema, multivalued attribute, Normalization, NoSQL databases, Participation / modality / optionality constraint, physical schema, primary

Entity,E-R mapping, foreign key, full participation,hierarchical model, logical schema, multivalued attribute, Normalization, NoSQL databases, Participation / modality / optionality constraint, physical schema, primary key, relational database, Superclass, ternary relationship tuple, Unary / recurcive relationship, weak entity provide definitions for the above in simple terms in 3-4lines with examples

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