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Important Questions

Database Concepts

Jharkhand Board · Class 12 · Computer Science

Most important questions from Database Concepts for Jharkhand Board Class 12 Computer Science board exam 2026. MCQs, short answer, and long answer questions with marks.

44 questions20 flashcards5 concepts

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44 Questions·
multiple choicemultiple correcttrue false

Sample Questions

1multiple correct

Which of the following are limitations of file systems?

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Data redundancy, Data inconsistency, Data isolation

File systems suffer from data redundancy (same data duplicated), data inconsistency (same data doesn't match in different places), and data isolation (no proper linking between files). Easy data access and automatic backup are not characteristics of file systems.

2true false

A database schema is the design of a database.

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True

Database schema is indeed the design or structure of a database, showing table names, fields, data types, constraints, and relationships among tables.

3multiple correct

Which of the following are examples of DBMS software?

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MySQL, Oracle, PostgreSQL

MySQL, Oracle, and PostgreSQL are database management systems. Microsoft Word is a word processor and Photoshop is image editing software, not DBMS.

4multiple choice

What is a tuple in a relational database?

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A row of data in a table

A tuple is each row of data in a relation (table). It represents a relationship between related values in different columns.

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Frequently Asked Questions

What are the important topics in Database Concepts for Jharkhand Board Class 12 Computer Science?
Database Concepts covers several key topics that are frequently asked in Jharkhand Board Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Database Concepts — Jharkhand Board Class 12 Computer Science?
Understand the core concepts first, then work through the 44 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
How many important questions are there in Database Concepts?
There are 44 practice questions available for Database Concepts. These cover multiple question types including MCQs, short answer, and long answer questions.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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