About this document
DBMS Final Unit-3 by angubati M is a document available to read on EtoBox.
The document provides lecture notes on SQL queries and schema refinement for B Tech CSE 2nd year students at Annamacharya Institute of Technology and Sciences. It covers SQL basics, including query structure, clauses, set operators, nested queries, aggregate functions, handling NULL values, integrity constraints, and triggers. Additionally, it discusses schema refinement techniques to reduce redundancy and maintain data integrity.
- Author
- angubati M
- Language
- EN