Character Data Type Conversion Chart
Alternative SQL Data type Oracle Equivalent Data type CHARACTER ( size ) CHAR ( size ) CHAR ( size ) CHAR ( size ) CHARACTER VARYING ( size ) VARCHAR ( size ) CHAR VARYING ( size ) VARCHAR ( size ) NATIONAL CHARACTER ( size ) NCHAR ( size ) NATIONAL CHAR ( size ) NCHAR ( size ) NCHAR ( size ) NCHAR ( size ) NATIONAL CHARACTER VARYING ( size ) NVARCHAR2 ( size ) NATIONAL CHAR VARYING ( size ) NVARCHAR2 ( size ) NCHAR VARYING ( size ) NVARCHAR2 ( size )