ORA-12815
        value for INSTANCES must be greater than 0
        
        
        Cause
        PARALLEL parameter specifying number of instances must be a positive integer or DEFAULT
        Action
        specify a positive integer or DEFAULT for INSTANCES if parallelism across instances is desired.
        
     
    
    
        ORA-12815
        value for INSTANCES must be greater than 0
        
        
        Cause
        PARALLEL parameter specifying number of instances must be a positive integer or DEFAULT
        Action
        specify a positive integer or DEFAULT for INSTANCES if parallelism across instances is desired.
        
     
    
    
        ORA-12815
        value for INSTANCES must be greater than 0
        
        
        Cause
        PARALLEL parameter specifying number of instances must be a positive integer or DEFAULT
        Action
        specify a positive integer or DEFAULT for INSTANCES if parallelism across instances is desired.