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Structured Query a Language (SQL)

Karnataka Board · Class 12 · Computer Science

Complete topic list for Structured Query a Language (SQL) in Karnataka Board Class 12 Computer Science. Key concepts, sub-topics, and what to focus on for board exams.

43 questions25 flashcards5 concepts
4 Topics · Karnataka Board Class 12 Computer Science

Topics in Structured Query a Language (SQL)

1

1. Introduction to SQL and Database Management

  • SQL is a query language used by major RDBMS like MySQL, Oracle, SQL Server
  • SQL is case-insensitive but table/database names may be case-sensitive in Linux
  • All SQL statements must end with semicolon (;)
2

2. Data Types and Constraints

  • CHAR(n): Fixed-length character data (0-255 characters)
  • VARCHAR(n): Variable-length character data (0-65535 characters)
  • INT: Integer values (4 bytes storage)
3

3. Data Definition Language (DDL)

  • CREATE DATABASE: Creates a new database
  • USE database_name: Selects database for operations
  • CREATE TABLE: Defines table structure with columns and constraints
4

4. Data Manipulation Language (DML)

  • INSERT INTO: Adds new records to table
  • UPDATE: Modifies existing records
  • DELETE: Removes records from table

Key Concepts

SQL is a descriptive query languageMySQL supports various data types includingCREATE DATABASE and CREATE TABLE statementsINSERT INTO adds new recordsThe SELECT statement retrieves data using

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Frequently Asked Questions

What are the important topics in Structured Query a Language (SQL) for Karnataka Board Class 12 Computer Science?

Structured Query a Language (SQL) covers several key topics that are frequently asked in Karnataka Board Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.

Start by understanding all key concepts. Practise previous year questions from this chapter. Revise formulas and definitions regularly. Use flashcards for quick revision before the exam.

Sources & Official References

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

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All 13 chapters — Karnataka Board Class 12 Computer Science Syllabus