CREANDO INDICES ESPECIFICANDO TABLESPACES Y DEMÁS

CREATE UNIQUE INDEX MD_6 ON MD_6
  (PROD_CODE, GE_CODE)
  LOGGING
  TABLESPACE MD_INDX
  PARALLEL ( DEGREE 3 INSTANCES 1 );

ALTER TABLE MD_6 ADD (
  CONSTRAINT MD_6 PRIMARY KEY (PROD_CODE, GE_CODE)
    USING INDEX 
    TABLESPACE MD_INDX);