CACS255 Database Management System

Database Management System: most repeated questions

Questions that have come up in more than one paper, matched by what they ask rather than exact wording. Most repeated first.

  1. 3×Asked in 2024, 2022, 2020
    Why normalization is required in database? Explain the 1NF, 2NF and 3NF of normalization with example.Answer coming10
    See the wording in each paper
  2. 3×Asked in 2026, 2022, 2020
    Why indexing is essential in database? Differentiate dense index from sparse index with suitable example.Answer coming5
    See the wording in each paper
  3. 2×Asked in 2023, 2021
    Define database and DBMS. Explain the benefits of DBMS in detail.Answer coming5
    See the wording in each paper
  4. 2×Asked in 2026, 2023
    Define query processing and steps in query processing. [1+4]Answer coming5
    See the wording in each paper
  5. 2×Asked in 2026, 2022
    Define transaction. Describe ACID properties with example. [1+4]Answer coming5
    See the wording in each paper
  6. 2×Asked in 2024, 2022
    Draw and explain three schema architecture of the database system.Answer coming5
    See the wording in each paper