What is cardinality in MySQL?
In MySQL, the time period cardinality refers to the specialty of facts values that can be put into columns. It is a type of property that influences the potential to search, cluster and kind data.
Cardinality can be of two sorts which are as follows
- Low Cardinality − All values for a column have to be the same.
- High Cardinality − All values for a column ought to be unique.
BY Best Interview Question ON 20 Sep 2022