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Premium Course Syllabus

DBMS

Condensed Placement Preparation Syllabus

Database Fundamentals · SQL · Normalization · Transactions · Interview Ready

6 Modules
29 Topics
6 Quizzes
Core CS

Ideal For

Campus placement technical rounds — TCS NQT, Infosys, Wipro
SQL-heavy interviews at data and backend companies
GATE CS — DBMS section
Students wanting fast, interview-focused database knowledge

Module-Wise Curriculum

A concise, placement-focused syllabus — covers every key concept without overloading.

1

Module 1

Dbms Fundamentals

  • What is DBMS — purpose, advantages over file systems, types (Hierarchical, Relational, NoSQL)
  • DBMS Architecture — 3-tier schema (External, Conceptual, Internal), data independence
  • ER Model — entities, attributes, relationships, cardinality, ER diagram symbols
  • Relational Model — relations, tuples, attributes, keys (Primary, Foreign, Candidate, Super)
  • Relational Algebra — Select, Project, Join, Union, Difference, Cartesian Product
Quiz — DBMS Fundamentals
2

Module 2

Sql — Core Queries

  • DDL Commands — CREATE, ALTER, DROP, TRUNCATE with syntax and examples
  • DML Commands — INSERT, UPDATE, DELETE with WHERE conditions
  • SELECT Queries — SELECT, FROM, WHERE, ORDER BY, GROUP BY, HAVING
  • Aggregate Functions — COUNT, SUM, AVG, MAX, MIN with GROUP BY
  • Joins — INNER, LEFT, RIGHT, FULL OUTER, SELF, CROSS with use cases
  • Subqueries & CTEs — correlated vs non-correlated, WITH clause
Quiz — SQL Core
3

Module 3

Database Design & Normalization

  • Functional Dependencies — definition, inference rules (Armstrong's Axioms)
  • 1NF, 2NF, 3NF — definitions, examples, how to convert step by step
  • BCNF — Boyce-Codd Normal Form, comparison with 3NF
  • Denormalization — when to break normal forms for performance
  • Schema Design — mapping ER diagram to relational tables, choosing keys
Quiz — Normalization
4

Module 4

Indexing & Query Optimization

  • Indexing — Primary, Secondary, Clustered vs Non-Clustered, Dense vs Sparse
  • B-Tree & B+ Tree — structure, search, insert, why DBMS uses B+ trees
  • Query Optimization — query execution plan, cost estimation, optimizer strategies
  • Views — creating and using views, materialized views, updatable views
Quiz — Indexing & Optimization
5

Module 5

Transactions & Concurrency

  • Transaction — ACID Properties (Atomicity, Consistency, Isolation, Durability)
  • Transaction States — Active, Partially Committed, Committed, Failed, Aborted
  • Concurrency Problems — Dirty Read, Phantom Read, Non-Repeatable Read
  • Isolation Levels — Read Uncommitted, Read Committed, Repeatable Read, Serializable
  • Locking — Shared/Exclusive locks, Two-Phase Locking (2PL), Deadlock in DBMS
Quiz — Transactions
6

Module 6

Nosql & Interview Masterclass

  • NoSQL Databases — types (Document, Key-Value, Columnar, Graph), when to use
  • SQL vs NoSQL — ACID vs BASE, horizontal vs vertical scaling, use case selection
  • Top 25 DBMS Interview Questions — structured answers for placements
  • SQL Query Challenges — 10 commonly asked SQL problems in placement tests
Quiz — NoSQL & Interview

Pattern-First

Learn recurring patterns, not one-off tricks — the fastest path to solving new problems.

Placement-Ready

Every module ends with an assessment or drill mapped to the way rounds are actually run.

AI-Assisted

Unlimited AI Tutor, Mock Interviews and Resume Review are included with your subscription.

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DBMS Notes & Interview Questions for Placements

Database management systems from ER modelling through relational algebra, keys and normalisation up to BCNF, then transactions with ACID, concurrency control, locking, isolation levels and recovery, and finally indexing and query performance. Normalisation is taught with dependency-based worked examples, because that is how it is examined.

The course keeps a clear line between what a database guarantees and what your query does, so you can answer both design questions ('normalise this table') and reasoning questions ('why is this read returning stale data'). Each module carries interview-style questions and a quiz.

What you'll learn in DBMS

  • Dbms Fundamentals
  • Sql — Core Queries
  • Database Design & Normalization
  • Indexing & Query Optimization
  • Transactions & Concurrency
  • Nosql & Interview Masterclass

Why DBMS matters for placements

DBMS is asked in nearly every fresher technical round, and it is usually paired with SQL in the same interview. Normalisation, keys, ACID and indexing appear so consistently that the subject behaves like a fixed-mark section.

Free vs Premium — what's included

Free

  • This full module-wise syllabus and topic list
  • The free revision course for this subject
  • Free core CS question bank and roadmaps
  • Aptitude and DSA practice sheets

Premium

  • Full lesson content for every module listed above
  • Module quizzes and interview question sets
  • Worked examples, numericals and revision drills
  • All 14 premium placement courses, lifetime access

Frequently asked questions

What are the most asked DBMS interview questions for freshers?

Normalisation up to 3NF and BCNF, primary versus candidate versus foreign keys, ACID properties, isolation levels and dirty reads, indexing and clustered versus non-clustered indexes, and DELETE versus TRUNCATE versus DROP.

Should I study DBMS or SQL first?

DBMS basics up to keys, then SQL queries, then return to transactions and indexing. Query practice makes the theory concrete.

How is normalisation asked in interviews?

Usually as a table with anomalies that you must decompose step by step while naming the functional dependency violated at each normal form.