Original revision introduction and starter practice. Full learning texts are available through the publisher links below. This guide is not a CBSE-issued solution manual.
Revision introduction
A database organises related data. Tables contain rows and columns; keys distinguish records and link tables. Python expressions evaluate to values, and variables reference those values. Protect passwords and personal data; discuss the limitations of new technologies rather than assuming every claim is correct.
Curriculum navigation
Introduction to Computer System
Introduction to Python
Database Concepts and SQL
Emerging Trends
Consult the current official syllabus for examinable sections, project-only content, practicals, prescribed texts and exclusions. A unit index does not override those boundaries.
Original practice
Which SQL statement retrieves data?
SELECT
DELETE only
DROP
TRUNCATE
Worked answer
SELECT
SELECT queries table data.
Full publisher materials and answer resources
CBSE 11 Informatics Practices · syllabus · CBSE · 2026-27 The current official syllabus defines examinable content, internal assessment, practicals and prescribed books. Unit names in the app are a navigation index; consult this document for exclusions and assessment boundaries.
NCERT · Informatics Practices · NCERT · 2026-27 Official book selector with chapter PDFs and complete-book download. A textbook may contain material outside the assessed syllabus; follow the linked current syllabus.
KVS student support material · Class 11 · Kendriya Vidyalaya Sangathan · 2026-27 Use the 2026–27 support-material folders linked by the school. These are KVS teaching/revision resources, not CBSE official marking schemes. Subject availability varies; older packs must be mapped to the current syllabus.
DIKSHA · curriculum learning resources · Ministry of Education / DIKSHA · Current portal Choose CBSE/NCERT, Class 11, subject and medium. This is a searchable portal, not a promise of a specific playable lesson.