CBSE Class 12 Sample Paper for 2023 Boards

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

Question 15 - CBSE Class 12 Sample Paper for 2023 Boards - Solutions to CBSE Sample Paper - Computer Science Class 12

Last updated at Dec. 13, 2024 by

Which function is used to display the total number of records from table in a database?

(a) sum(*)

(b) total(*)

(c) count(*)

(d) return(*)

 

Answer:

The count(*) function is used to display the total number of records from a table in a database.

 

Syntax:

SELECT COUNT ( * )

FROM table_name;

 

So, the correct answer is (c).

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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