The following ANSI data types are supported in Oracle:

* CHARACTER(n) / CHAR(n)

* CHARACTER VARYING(n) / CHAR VARYING(n)

* NATIONAL CHARACTER(n) / NATIONAL CHAR(n) / NCHAR(n)

* NATIONAL CHARACTER VARYING(n) / NATIONAL CHAR VARYING(n) / NCHAR VARYING(n)

* NUMERIC(p,s)

* DECIMAL(p,s)

* INTEGER / INT

* SMALLINT

* FLOAT

* DOUBLE PRECISION

* REAL