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Computer Science · 2026 · 1 mark
CBSE 2026 · Central · Set 4 · Q15
A relation in MySQL database consists of 2 tuples and 3 attributes. If 2 attributes are deleted and 4 tuples are added, what will be the cardinality…
A relation in MySQL database consists of $\displaystyle 2$ tuples and $\displaystyle 3$ attributes. If $\displaystyle 2$ attributes are deleted and $\displaystyle 4$ tuples are added, what will be the cardinality of the relation?
Official answer
(C)
$\displaystyle 6$
Marking-scheme solution
(C)
$\displaystyle 6$
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CBSE Class 12 Computer Science past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.