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Database Concepts

Bihar Board · Class 12 · Computer Science

Complete topic list for Database Concepts in Bihar Board Class 12 Computer Science. Key concepts, sub-topics, and what to focus on for board exams.

43 questions84 flashcards5 concepts

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An infographic illustrating the common problems associated with manual record keeping, such as data inconsistency, loss of data, tedious entry, and erroneous calculations, using a school attendance re
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4 Topics · Bihar Board Class 12 Computer Science

Topics in Database Concepts

1

1. File System and Its Limitations

  • A file is a container to store data in a computer.
  • Files can contain text, program code, CSV data, pictures, audio/video, and web pages.
  • The STUDENT file contains six columns: RollNumber, SName, SDateofBirth, GName, GPhone, and GAddress.
2

2. DBMS and Database Advantages

  • A DBMS is software used to create and manage databases.
  • A DBMS acts as an interface between the database and end users or application programs.
  • A database system provides an abstract view of data by hiding storage and maintenance details.
3

3. File System to Database Conversion

  • In the school example, STUDENT and ATTENDANCE files are related through common field names.
  • RollNumber links ATTENDANCE to STUDENT.
  • SName need not be maintained in ATTENDANCE because it already exists in STUDENT.
4

4. Database Schema, Instance, Constraints, and Metadata

  • Database schema is the design of a database.
  • Schema includes table names, columns, data types, constraints, and relationships among tables.
  • Schema is also called the visual or logical architecture of a database.

Key Concepts

Central concept: Database Concepts

File SystemDBMSDatabase StructureRelational Data ModelKeys in Relational DatabaseStudent Attendance Database

Frequently Asked Questions

What are the important topics in Database Concepts for Bihar Board Class 12 Computer Science?
Database Concepts covers several key topics that are frequently asked in Bihar 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 — Bihar Board Class 12 Computer Science?
Understand the core concepts first, then work through the 43 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

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

More resources for Database Concepts

All 13 chapters — Bihar Board Class 12 Computer Science Syllabus

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