MCS-206 IGNOU Solved Assignment 2026-27

MCS-206 Solved Assignment (TMA) Comprehensive Guide

The MCS-206 TMA (Tutor Marked Assignment) is a 30% weightage mandatory component for the Master of Computer Applications (MCA) program, aligned with the IGNOU CBCS curriculum. This guide provides plagiarism-free, university-verified solutions for all prescribed questions, strictly adhering to word limits (500 words, 250 words, 100 words) and submission deadlines for the current academic session.

Key Syllabus Blocks Covered

• Relational Database Design Principles Covers ER diagrams, functional dependencies, and mapping strategies with practical examples.
• Normalization Techniques (1NF to BCNF) Step-by-step breakdown of normalization rules, redundancy elimination, and anomaly resolution.
• SQL Query Optimization Techniques for indexing, subquery replacement, and performance tuning with sample queries.
• Advanced Database Concepts Includes triggers, stored procedures, and transaction management in relational databases.
• Database Security & Integrity Authentication mechanisms, authorization models, and data integrity constraints.

Assignment Structure & Solutions

The TMA consists of 5 questions (2 long-answer, 3 short-answer) with mandatory internal marks. Solutions are structured as:

• Question 1 (500 words): Explain the process of designing a relational database schema for an e-commerce system, including normalization up to BCNF. Solution includes:
  • Step-by-step ER diagram construction
  • Functional dependency analysis
  • Normalization steps with sample tables
• Question 3 (250 words): Write SQL queries to retrieve customer orders with a discount greater than 10%. Optimize the query for performance. Solution covers:
  • Subquery vs. JOIN optimization
  • Indexing strategies for large datasets
  • Execution plan analysis

FAQs