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AIML
5th Semester
AL-502
Unit 2 Notes

AL-502 Database Management Systems Unit 2 Notes

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

Unit 2 · Short notes Relational Data Models Relational data model fundamentals: domains, tuples, attributes, relations · Characteristics of relations and keys (primary, candidate, foreign) · Relational database schemas and integrity constraints · Referential integrity, intension and extension · SQL Data Definition Language (DDL) and Data Manipulation Language (DML) · Integrity constraints in SQL

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