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Structured Query a Language (SQL)

Tripura Board · Class 12 · Computer Science

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

50 questions96 flashcards5 concepts

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A diagram illustrating how SQL interacts with various Relational Database Management Systems (RDBMS) like MySQL, Oracle, PostgreSQL, and SQL Server, showing SQL as the common language for data access
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4 Topics · Tripura Board Class 12 Computer Science

Topics in Structured Query a Language (SQL)

1

1. SQL Basics and Data Types

  • SQL is used to access and manipulate data in a database.
  • It can define the structure of data, manipulate data, declare constraints, and retrieve data.
  • A database is a collection of related tables.
2

2. Constraints and Keys

  • NOT NULL means a column cannot store NULL values.
  • UNIQUE means all values in a column must be different.
  • DEFAULT gives a value when no value is supplied.
3

3. DDL and Table Structure Commands

  • CREATE, ALTER, and DROP are Data Definition Language statements.
  • CREATE DATABASE makes a database.
  • CREATE TABLE makes a table with columns, data types, and constraints.
4

4. DML: INSERT, UPDATE, DELETE

  • INSERT, SELECT, UPDATE, and DELETE are Data Manipulation Language statements.
  • INSERT adds new rows into a table.
  • Values for text and date fields are written in single quotes.

Key Concepts

Central concept: Structured Query Language (SQL)

Introduction to SQLData TypesConstraintsDDLDMLSELECT QueryFunctions in SQLGROUP BY and HAVING

Frequently Asked Questions

What are the important topics in Structured Query a Language (SQL) for Tripura Board Class 12 Computer Science?
Structured Query a Language (SQL) covers several key topics that are frequently asked in Tripura Board Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Structured Query a Language (SQL) — Tripura Board Class 12 Computer Science?
Understand the core concepts first, then work through the 50 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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