When datatype_spec is used in a control file entry, it may use the following syntax:
INTEGER [EXTERNAL [(length
)] [delimiter_spec
]] FLOAT [EXTERNAL [(length
)] [delimiter_spec
] ZONED {(precision
[,scale
]) | EXTERNAL [(length
)] [delimiter_spec
]} DECIMAL {(precision
[,scale
]) | EXTERNAL [(length
)] [delimiter_spec
]} DOUBLE SMALLINT BYEINT RAW [(length
)] GRAPHIC [EXTERNAL] [(length
)] VARGRAPHIC [(maximum_length
)] VARCHAR [(maximum_length
)] CHAR [(length
)] [delimiter_spec
] DATE [(length
)] ["mask
"] [delimiter_spec
]
The Oracle Server Utility User’s Guide contains a full syntax description.