EXP-00018: datatype (number) for column string, table string.string is not supported
What triggered the Error:
Export does not support the referenced datatype.What should we do to fix it:
Retry with an acceptable datatype (CHAR, NUMBER, DATE, LONG, or RAW).
If this was not sufficient go over to:
Oracle Official Support Knowledge Center
Or maybe those geeks at: StackOverflow Board
Or maybe those geeks at: StackOverflow Board