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4th Semester
AD-402
Unit 2 Notes

AD-402 Database Management System Unit 2 Notes

Notes and important questions for unit 2: Relational Data Models.

Unit 2 · Short notes Relational Data Models Domains, tuples, attributes, relations and characteristics of relations · Keys and key attributes of a relation · Relational database schemas · Integrity constraints and referential integrity · Intension vs. extension · Relational query languages: SQL DDL and DML

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