Class 12 Computer Science — Chapter 1: Functions
Free AI tutor + NCERT notes for Chapter 1: Functions. 7 topics covered. Ask any question by voice or text in Hindi or English.
What you'll learn
- ▸Introduction to SQL Functions
- ▸Single Row (Scalar) Functions
- ▸Numeric Functions
- ▸The POWER() Function
- ▸The ROUND() Function
- ▸The MOD() Function
- ▸Applying Numeric Functions in Queries
Chapter Summary
--- PAGE 1 --- Chapter Querying and SQL 1 Functions “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 12149CH01 In this chapter » Introduction » Functions in SQL » Group By in SQL » Operations on Relations » Using Two Relations in a Query **1.1 Introduction** In Class XI, we have understood database concepts and learned how to create databases using MySQL. We have also learnt how to populate, manipulate and retrieve data from a database using SQL queries. In this chapter, we are going to learn more SQL commands which are required to perform various queries in a database. We will understand how to use single row functions, multiple row functions, arranging records in ascending or descending order, grouping records based on some criteria, and working on multiple tables using SQL. Let us create a database called CARSHOWRO…
Practice Questions from this Chapter
Tap "Get Solution" on any question to ask our AI tutor.
- Explain database types simply. Get Solution →
- Show real-world SQL examples. Get Solution →
- Define different function categories. Get Solution →
- What is another term for Single Row Functions in SQL? Get Solution →
- According to the text, what is the purpose of the SQL function POWER(X,Y)? Get Solution →
- Which SQL function is used to find the remainder after a division? Get Solution →
- What are the three categories of single row functions listed in Figure 1.2? Get Solution →
- What is the name of the database used as an example throughout the chapter? Get Solution →
Did you know?
- 💡 SQL was first created by IBM researchers in the early 1970s.
- 💡 The original name for SQL was SEQUEL, short for Structured English Query Language.
- 💡 The world's largest databases can store many petabytes of information.
- 💡 Ancient Sumerians used clay tablets as early forms of inventory databases.
- 💡 Every app on your phone uses databases to store and retrieve its information.
Frequently Asked Questions
How many topics are covered in this chapter?
This chapter covers 7 key topics: Introduction to SQL Functions, Single Row (Scalar) Functions, Numeric Functions, The POWER() Function, The ROUND() Function, and more. The BrainWeave AI tutor explains each one with examples.
Is Chapter 1: Functions important for board exams?
Yes — Class 12 is a CBSE board exam year, and every NCERT chapter is part of the syllabus. Use BrainWeave's AI tutor to master this chapter, then practice with the auto-generated quizzes and mind maps.
Can I get NCERT solutions for this chapter in Hindi?
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