Question 1
Why assign a data type to each field?
A data type controls which values are valid and how they are stored or displayed, such as dates, text or numbers.
Part B · Database Management System · Chapter 9 · CBSE Class X (2026–27)
Explore the Base interface, create a database and design tables with suitable field types. Set a primary key, enter and edit records, sort data and save the table.
Explore the Base interface, create a database and design tables with suitable field types. Set a primary key, enter and edit records, sort data and save the table.
Create a Student table with AdmissionNo, Name, Class and DateOfBirth. Set AdmissionNo as the primary key; enter sample records, edit one record and sort by name.
Use your school’s prescribed software version and teacher instructions. Keep personal information out of public practice files.
These questions and answers are original practice written for this guide; they are not copied from past papers.
Why assign a data type to each field?
A data type controls which values are valid and how they are stored or displayed, such as dates, text or numbers.
What is the purpose of a primary key?
It uniquely identifies each table record and prevents two records from sharing the same key value.
Does sorting a table change its stored records?
Sorting changes their displayed order according to the selected field. It does not change the values in the records.
Aligned to the CBSE 2026–27 syllabus outline. Check the official subject curriculum and your school’s textbook/material for the prescribed scope.