NCHAR & NVARCHAR

NCHAR or NATIONALCHARACTER

NVARCHAR or NATIONAL CHAR VARYING or NATIONAL CHARACTER VARYING

NCHAR/VARCHAR are data types, which can be defined as the NCHAR/VARCHAR data types with a length of 1-32,767 bytes. The only difference to the NCHAR/VARCHAR data type is that NCHAR/VARCHAR automatically defines a special character set for this table column: “CHARACTER SET ISO8859_1”.