DATE data type based on TIMESTAMP(0)
The DATE data type supports applications that use the Oracle
DATE data type and expect that the DATE values include time information
(for example, '2009-04-01-09.43.05').
NUMBER data type
The NUMBER data type supports applications that use the
Oracle NUMBER data type.
VARCHAR2 and NVARCHAR2 data types
The
VARCHAR2 and NVARCHAR2 data types support applications that use the
Oracle VARCHAR2 and NVARCHAR2 data types.