X$表[3]

        thread information                                                     
          x$kccrt - [r]edo [t]hread information                                
      [f]ile management                                                        
        x$kcfio - file [io] statistics                                         
      [l]ock manager component ( lck )                                         
        [h]ash and bucket tables - 7.0.15 to 7.1.1, and 7.2.0 or higher        
          x$kclfh - file [h]ash table                                          
          x$kclfi - file bucket table                                          
        x$le - lock [e]lements                                                 
        x$le_stat - lock conversion [stat]istics                               
        x$kclfx - lock element [f]ree list statistics - 7.3 or higher          
        x$kclls - per lck free list statistics - 7.3 or higher                 
        x$kclqn - [n]ame (hash) table statistics - 7.3 or higher               
      [r]edo component                                                         
        [m]edia recovery  - kcra.h - 7.3 or higher                             
          x$kcrmf - [f]ile context