Engineering / College · Database Management Systems

DBMS Notes – ER Model, Relational Algebra, SQL, Normalization and Transactions

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Database Management Systems notes for 4th semester B.Tech CSE. Explains DBMS architecture, the ER model and mapping to tables, keys, relational algebra, SQL queries with joins and grouping, functional dependencies and normalization from 1NF to BCNF, transactions with ACID properties, serializability, locking protocols and indexing. Includes solved normalization examples and SQL practice queries that are common in university semester exams and placement tests.