How to create a concatenated index with a long column (Urgent!!)

We have a situation where we need to create a concatenated unique
index with one of the columns as a "long" datatype. Oracle does
not allow a lot of things with long columns.
Does anyone know if this is possible or if there is a way to get
around it.
All help is appreciated!!!!

From the Oracle SQL Reference ...
"You cannot create an index on columns or attributes whose
type is user-defined, LONG, LONG RAW, LOB, or REF,
except that Oracle supports an index on REF type columns
or attributes that have been defined with a SCOPE clause."
Doesn't mention CLOB or BLOB types, so perhaps you
should consider using one of those types instead. I have a
feeling that the LONG type is now deprecated.

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