NUMBER DT_NUMERIC 31 FLOAT DT_R8 24 REAL DT_R8 24 INT DT_NUMERIC 38 RAW DT_BYTES 255 LONG RAW DT_IMAGE 255 BLOB DT_IMAGE 255 LOBLOCATOR DT_IMAGE 255 BFILE DT_IMAGE 255 VARGRAPHIC DT_IMAGE 255 LONG VARGRAPHIC DT_IMAGE 255 timestamp DT_DBTIMESTAMP2 TIMESTAMP WITH TIME ZONE DT_DBTIMESTAMPOFFSET CLOB DT_TEXT 255 char DT_STR ROWID DT_STR 18 VARCHAR2 DT_STR NVARCHAR2 DT_WSTR LONG DT_TEXT 255 NCHAR DT_WSTR NCLOB DT_NTEXT 255 DATE DT_DBDATE INTERVAL DT_DBTIMESTAMP 30 130 DT_NTEXT 255 13 DT_IMAGE 255