Class 12 Preeti | Arora Python Pdf

Each chapter integrates previous years' board questions, helping you understand the "exam temperament" early on. 📚 What’s Inside? (The Chapter Breakdown)

: Understand the distinct differences between DDL commands ( CREATE , ALTER , DROP ) and DML commands ( SELECT , INSERT , UPDATE , DELETE ). Mix-ups in these categories lose easy marks. class 12 preeti arora python pdf

| | Chapters | Topics Covered | | :--- | :--- | :--- | | I: Computational Thinking and Programming-2 | 1. Review of Python Basics 2. Functions in Python 3. Exception Handling 4. Data File Handling 5. Data Structures | - Revision of Python concepts learned in Class 11. - Creating and using functions and modules. - Using try-except-finally blocks to manage errors. - Operations on text, binary, and CSV files. - Implementing stacks and queues using lists. | | II: Computer Networks | 6. Computer Networks | - Evolution of networks and data communication. - Types of networks (LAN, WAN, MAN) and network topologies (Star, Bus, Tree). - Network devices (Switch, Router, Gateway). - Network protocols and web services. | | III: Database Management | 7. Database Concepts 8. Structured Query Language (SQL) | - Introduction to database concepts and the relational model. - SQL commands: DDL (CREATE, DROP), DML (INSERT, UPDATE, DELETE). - SQL queries using SELECT, WHERE, ORDER BY, GROUP BY. - SQL Joins: Equi-join and Natural join. - Python-MySQL connectivity. | Mix-ups in these categories lose easy marks

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