Teachoo Sample Paper - Computer Science Class 12

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Computer Science - Class 12
Solutions to CBSE Sample Paper - Computer Science Class 12

Question 5 - Teachoo Sample Paper - Computer Science Class 12 - Solutions to CBSE Sample Paper - Computer Science Class 12

Last updated at April 16, 2024 by

In a relational data model, a relation R has degree 4 and cardinality 10, and a selection operation is applied on R to obtain a relation S with cardinality 5. What is the degree of S? 

  1. 4

  2. 5 

  3. 10 

  4. 20

Answer:

Answer by student

a. 4

Detailed answer by teachoo

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo