Question

class 11 how to find cardinality of table ??


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Answer 1

The cardinality of a join between two tables is the numerical relationship between rows of one table and rows in the other. Common cardinalities include one-to-one, one-to-many, and many-to-many.

Answer 2

$\color{blue}cardinality \: of \: table \\ \color{blue} = no. \: of \: rows \times no.of \: columns \\ \\ \color{red}{ \boxed{my \: school \: is \: kendreya \: vidyalaya}} \\ \color{red}{ \boxed{i \: am \: in \: class \: 12th}}$