Class 12 Computer Science — Chapter 9: Structured Query Language (SQL)
Free AI tutor + NCERT notes for Chapter 9: Structured Query Language (SQL). 8 topics covered. Ask any question by voice or text in Hindi or English.
What you'll learn
- ▸SQL Fundamentals
- ▸SQL Data Types
- ▸SQL Constraints
- ▸Data Definition Language (DDL)
- ▸Creating Tables
- ▸Data Manipulation Language (DML)
- ▸Data Query Language (DQL)
- ▸GROUP BY Clause
Chapter Summary
--- PAGE 1 --- Chapter 9 Structured Query Language (SQL) “Any unique image that you desire probably already exists on the internet or in some database... The problem today is no longer how to create the right image, but how to find an already existing one.” – Lev Manovich In this Chapter » Introduction » Structured Query Language (SQL) » Data Types and Constraints in MySQL » SQL for Data Definition » SQL for Data Manipulation » SQL for Data Query » Data Updation and Deletion » Functions in SQL » GROUP BY Clause in SQL » Operations on Relations » Using Two Relations in a Query 9.1 Introduction We have learnt about Relational Database Management Systems (RDBMS) and its purpose in the previous chapter. There …
Practice Questions from this Chapter
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- Explain database types simply. Get Solution →
- Give examples of database uses. Get Solution →
- Show how SQL commands work. Get Solution →
- What does SQL stand for? Get Solution →
- Which symbol must be used to terminate every SQL statement? Get Solution →
- According to the text, is SQL case-sensitive? Get Solution →
- What is the correct SQL command to create a new database named 'Library'? Get Solution →
- Which MySQL data type is used to store dates in the 'YYYY-MM-DD' format? Get Solution →
Did you know?
- 💡 SQL was invented by IBM researchers in the 1970s.
- 💡 The internet holds zettabytes of data, enough to fill billions of high-definition movies.
- 💡 Every time you like a picture online, a database records that action.
- 💡 SQL uses common English words, making it one of the easiest computer languages to read.
- 💡 Your school library uses a database to track all its books and borrowers.
Frequently Asked Questions
How many topics are covered in this chapter?
This chapter covers 8 key topics: SQL Fundamentals, SQL Data Types, SQL Constraints, Data Definition Language (DDL), Creating Tables, and more. The BrainWeave AI tutor explains each one with examples.
Is Chapter 9: Structured Query Language (SQL) important for board exams?
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