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CY
4th Semester
CY-405
Unit 2 Notes

CY-405 Data base Management System Unit 2 Notes

Notes and important questions for unit 2: Relational Data Model and SQL.

Unit 2 · Short notes Relational Data Model and SQL Relational data model: domains, tuples, attributes, relations · Keys and key types · Integrity constraints · Relational algebra operations: select, project, rename, join, union, intersection, difference, division, product · Basic SQL queries and functions · SQL constraints, joins, and nested queries

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