Collation is defined as set of rules that determine how CHARACTER DATA can be sorted and COMPARED. This can be used to compare A and, other language characters and ALSO DEPENDS on the width of the characters.
ASCII value can be used to compare these character data.

Collation is defined as set of rules that determine how character data can be sorted and compared. This can be used to compare A and, other language characters and also depends on the width of the characters.
ASCII value can be used to compare these character data.