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

(ii) If two columns are added and 2 rows are deleted from the table result, what will be the new degree and cardinality of the above table?

 

Answer:

  • Degree refers to the number of attributes/columns in a table.
  • Cardinality refers to the number of tuples/rows in a table. 

If two columns are added to the table, the new degree will become 8.

If two rows are deleted from the table, the new cardinality will become 5.

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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, Social Science, Physics, Chemistry, Computer Science at Teachoo.