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Introduction to Structured Query Language (SQL)

CBSE · Class 11 · Informatics Practices

Complete topic list for Introduction to Structured Query Language (SQL) in CBSE Class 11 Informatics Practices. Key concepts, sub-topics, and what to focus on for board exams.

81 questions84 flashcards5 concepts

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4 Topics · CBSE Class 11 Informatics Practices

Topics in Introduction to Structured Query Language (SQL)

1

SQL and Databases

  • A database is a collection of related tables.
  • MySQL is a relational DBMS and SQL is the language used to work with it.
  • SQL can define structure, insert data, retrieve data, update data, and delete data.
2

Data Types and Constraints

  • CHAR(n) is a fixed-length string type and pads extra space on the right.
  • VARCHAR(n) is a variable-length string type.
  • INT is a numeric data type for integers.
3

StudentAttendance Database Structure

  • StudentAttendance is the database created in the chapter.
  • It contains three tables: STUDENT, GUARDIAN, and ATTENDANCE.
  • STUDENT has RollNumber, SName, SDateofBirth, and GUID.
4

Creating and Modifying Tables

  • CREATE DATABASE creates a new database.
  • SHOW TABLES lists all table names in a database.
  • DESCRIBE and DESC show the structure of a table.

Key Concepts

Central concept: SQL as the language for creating, storing, retrieving, modifying, and managing relational database data in MySQL

Database and table structureStructured Query LanguageMySQL and RDBMSData typesConstraintsDDLDMLQuery statements

Frequently Asked Questions

What are the important topics in Introduction to Structured Query Language (SQL) for CBSE Class 11 Informatics Practices?
Introduction to Structured Query Language (SQL) covers several key topics that are frequently asked in CBSE Class 11 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Introduction to Structured Query Language (SQL) — CBSE Class 11 Informatics Practices?
Understand the core concepts first, then work through the 81 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.

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