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DBMS-2022 (DH Sirs Classroom,) by r86823734 is a document available to read on EtoBox.

What is DBMS-2022 (DH Sirs Classroom,) about?

The document explains the three-level architecture of a Database Management System (DBMS), detailing the Internal, Conceptual, and External levels. It also covers data models, differences between schema and instance, advantages of DBMS, generalization and specialization concepts, roles of a Database Administrator, and SQL queries related to employee and department data. Additionally, it discusses functional dependencies, normalization, and provides PL/SQL code for retrieving employee details.

Author

r86823734

Language

EN