ORA-02329: column of datatype string cannot be unique or a primary key
Cause: An attempt was made to place a UNIQUE or a PRIMARY KEY constraint on a column of datatype VARRAY, nested table, object, LOB, FILE or REF.
Action: Change the column datatype or remove the constraint. Then retry the operation.
ORA-02330
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ORA-02329column of datatype string cannot be unique or a primary key