Oracle X$ table list

Doc ID:  Note:22241.1 
Subject:  List of X$ Tables and how the names are derived 
Type:  REFERENCE                     
Status:  PUBLISHED 
Content Type:  TEXT/PLAIN 
Creation Date:  14-MAR-1995 
Last Revision Date:  23-SEP-1999 
Language:  USAENG 
 

** INTERNAL ONLY **

This is a summary list of X$ Table Definitions - Last revision was 7.3.2
The main purpose of this note is to show the naming conventions.
                                  
  [K]ernel Layer                                                                
    [2]-Phase Commit                                                            
      [G]lobal [T]ransaction [E]ntry                                            
        X$K2GTE  - Current 2PC tx                                               
        X$K2GTE2 - Current 2PC tx                                               
    [C]ache Layer                                                               
      [B]uffer Management                                                       
        Buffer [H]ash                                                           
          X$BH - Hash Table                                                     
        Buffer LRU Statistics                                                   
          X$KCBCBH - [C]urrent [B]uffers (buckets) - lru_statistics             
          X$KCBRBH - [R]ecent [B]uffers (buckets) - lru_extended                
        Buffer [WAIT]s                                                          
          X$KCBWAIT  - Waits by block class                                     
          X$KCBFWAIT - Waits by File                                            
        [W]orking Sets - 7.3 or higher                                          
          X$KCBWDS - Set [D]escriptors                                          
      [C]ontrol File Management                                                 
        [C]ontrol [F]ile List - 7.0.16 or higher                                
          X$KCCCF - Control File Names & status                                 
        [D]atabase [I]nformation                                                
          X$KCCDI - Database Information                                        
        Data [F]iles                                                            
          X$KCCFE - File [E]ntries ( from control file )                        
          X$KCCFN - [F]ile [N]ames                                              
        [L]og Files                                                             
          X$KCCLE - Log File [E]ntries                                          
          X$KCCLH - Log [H]istory ( archive entries )                           
        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                                              
          X$KCRMT - [T]hread context                                            
          X$KCRMX - Recovery Conte[X]t                                          
        [F]ile read                                                             
          X$KCRFX - File Read Conte[X]t -  7.3 or higher                        
      Reco[V]ery Component                                                      
        [F]ile [H]eaders                                                        
          X$KCVFH - All file headers                                            
          X$KCVFHMRR - Files with [M]edia [R]ecovery [R]equired                 
          X$KCVFHONL - [ONL]ine File headers                                    
      [K]ompatibility Management - 7.1.1 or higher                              
        X$KCKCE - [C]ompatibility Segment [E]ntries                             
        X$KCKTY - Compatibility [TY]pes                                         
        X$KCKFM - Compatibility [F]or[M]ats ( index into X$KCKCE )              
    [D]ata Layer                                                                
      Sequence [N]umber Component                                               
         X$KDNCE - Sequence [C]ache [E]ntries - 7.2 or lower                     
        [S]equence Enqueues - common area for enqueue objects                   
          X$KDNSSC - [C]ache Enqueue Objects - 7.2 or lower                     
          X$KDNSSF - [F]lush Enqueue Objects - 7.2 or lower                     
        X$KDNST - Cache [ST]atistics - 7.2 or lower                             
      Inde[X] Block Component                                                   
        X$KDXHS - Index [H]i[S]togram                                           
        X$KDXST - Index [ST]atistics                                            
    [G]eneric Layer                                                             
      [H]eap Manager                                                            
        X$KGHLU - State (summary) of [L]R[U] heap(s) - defined in ksmh.h        
      [I]nstantiation Manager                                                   
        [C]ursor [C]ache                                                        
          X$KGICC - Session statistics - defined in kqlf.h                      
          X$KGICS - System wide statistics - defined in kqlf.h                  
      [L]ibrary Cache Manager  ( defined and mapped from kqlf )                 
        Bind Variables                                                          
          X$KKSBV - Library Object [B]ind [V]ariables                           
        Object Cache                                                            
          X$KGLOB - All [OB]jects                                               
          X$KGLTABLE   - Filter for [TABLE]s                                    
          X$KGLBODY    - Filter for [BODY] ( packages )                         
          X$KGLTRIGGER - Filter for [TRIGGER]s                                  
          X$KGLINDEX   - Filter for [INDEX]es                                   
          X$KGLCLUSTER - Filter for [CLUSTER]s                                  
          X$KGLCURSOR  - Filter for [CURSOR]s                                   
        Cache Dependency                                                        
          X$KGLDP - Object [D]e[P]endency table                                 
          X$KGLRD - [R]ead only [D]ependency table - 7.3 or higher              
        Object Locks                                                            
          X$KGLLK - Object [L]oc[K]s                                            
        Object Names                                                            
          X$KGLNA - Object [NA]mes (sql text)                                   
          X$KGLNA1 - Object [NA]mes (sql text) with newlines - 7.2.0 or higher  
        Object Pins                                                             
          X$KGLPN - Object [P]i[N]s                                             
        Cache Statistics                                                        
          X$KGLST - Library cache [ST]atistics                                  
        Translation Table                                                       
          X$KGLTR - Address [TR]anslation                                       
        Access Table                                                            
          X$KGLXS - Object Access Table                                         
        Authorization Table - 7.1.5 or higher                                   
          X$KGLAU - Object Authorization table                                  
        Latch Cleanup - 7.0.15 or higher                                        
          X$KGLLC - [L]atch [C]leanup for Cache/Pin Latches                     
    [K]ompile Layer                                                             
      [S]hared Objects                                                          
        X$KKSAI - Cursor [A]llocation [I]nformation - 7.3.2 or higher           
    [L]oader                                                                    
      [L]ibrary                                                                 
        X$KLLCNT - [C]o[NT]rol Statistics                                       
        X$KLLTAB - [TAB]le Statistics                                           
    [M]ulti-Threaded Layer                                                      
      [C]ircuit component                                                       
        X$KMCQS - Current [Q]ueue [S]tate                                       
        X$KMCVC - [V]irtual [C]ircuit state                                     
      [M]onitor Server/dispatcher                                               
        [D]ispatcher                                                            
          X$KMMDI - [D]ispatcher [I]nfo (status)                                
           X$KMMDP - [D]ispatcher Config ( [P]rotocol info )                     
        [S]erver                                                                
          X$KMMSI - [S]erver [I]nfo ( status )                                  
        X$KMMSG - [SG]a info ( global statistics)                               
        X$KMMRD - [R]equest timing [D]istributions                              
    s[Q]l Version and Option Layer                                              
      Kernel [V]ersions                                                         
        X$VERSION - Library versions                                            
      Kernel [O]ptions - 7.1.3 or higher                                        
        X$OPTION - Server Options                                               
    [Q]uery Layer                                                               
      [D]ictionary Cache Management                                             
        X$KQDPG - [PG]a row cache cursor statistics                             
      [F]ixed Tables/views Management                                           
        X$KQFCO - Table [CO]lumn definitions                                    
        X$KQFDT - [D]erived [T]ables                                            
        X$KQFSZ - Kernel Data structure type [S]i[Z]es                          
        X$KQFTA - Fixed [TA]bles                                                
        X$KQFVI - Fixed [VI]ews                                                 
        X$KQFVT - [V]iew [T]ext definition - 7.2.0 or higher                    
      [R]ow Cache Management                                                    
        X$KQRST - Cache [ST]atistics                                            
        X$KQRPD - [P]arent Cache [D]efinition - 7.1.5 or higher                 
        X$KQRSD - [S]ubordinate Cache [D]efinition - 7.1.5 or higher            
    [S]ervice Layer                                                             
      [B]ackground Management                                                   
        [D]etached Process                                                      
          X$KSBDD - Detached Process [D]efinition (info)                        
          X$KSBDP - Detached [P]rocess Descriptor (name)                        
          X$MESSAGES - Background Message table                                 
      [I]nstance [M]anagement - 7.3 or higher                                   
        X$KSIMAT - Instance [AT]tributes                                        
        X$KSIMAV - [A]ttribute [V]alues for all instances                       
        X$KSIMSI - [S]erial and [I]nstance numbers                              
      [L]ock Management                                                         
        [E]vent Waits                                                           
          X$KSLED - Event [D]escriptors                                         
          X$KSLEI - [I]nstance wide statistics since startup                    
          X$KSLES - Current [S]ession statistics                                
        [L]atches                                                               
          X$KSLLD - Latch [D]escriptor (name)                                   
          X$KSLLT - Latch statistics [ + Child latches @ 7.3 or higher ]        
          X$KSLLW - Latch context ( [W]here ) descriptors - 7.3 or higher       
          X$KSLPO - Latch [PO]st statistics - 7.3 or higher                     
          X$KSLWSC- No[W]ait and [S]leep [C]ount stats by Context -7.3 or higher
      [M]emory Management                                                       
        [C]ontext areas                                                         
          X$KSMCX - E[X]tended statistics on usage - 7.3.1 or lower             
        Heap Areas                                                              
          X$KSMSP - SGA Hea[P]                                                  
          X$KSMPP - [P]GA Hea[P] - 7.3.2 and above                              
          X$KSMUP - [U]GA Hea[P] - 7.3.2 and above                              
          X$KSMHP - Any [H]ea[P] - 7.3.2 and above                              
          X$KSMSPR- [S]hared [P]ool [R]eserved List - 7.1.5 or higher           
        [L]east recently used shared pool chunks                                
          X$KSMLRU - LR[U] flushes from the shared pool                         
        [S]GA Objects                                                           
          X$KSMSD - Size [D]efinition for Fixed/Variable summary                
          X$KSMSS - Statistics (lengths) of SGA objects                         
        SGA [MEM]ory                                                            
           X$KSMMEM - map of the entire SGA - 7.2.0 or higher                    
          X$KSMFSV - Addresses of [F]ixed [S]GA [V]ariables - 7.2.1 or higher   
      [P]arameter Component                                                     
          X$KSPPI  - [P]arameter [I]nfo ( Names )                               
          X$KSPPCV - [C]urrent Session [V]alues - 7.3.2 or above                
          X$KSPPSV - [S]ystem [V]alues - 7.3.2 or above                         
      En[Q]ueue Management                                                      
        X$KSQDN - Global [D]atabase [N]ame                                      
        X$KSQEQ - [E]n[Q]ueue Object                                            
        X$KSQRS - Enqueue [R]e[S]ource                                          
        X$KSQST - Enqueue [S]tatistics by [T]ype                                
      [U]ser Management                                                         
        [C]ost                                                                  
          X$KSUCF - Cost [F]unction (resource limit)                            
        [L]icence                                                               
           X$KSULL - Licence [L]imits                                           
        [L]anguage Manager                                                      
          X$NLS_PARAMETERS - NLS parameters                                     
          X$KSULV - NLS [V]alid Values - 7.1.2 or higher                        
        [MY] [ST]atistics                                                       
          X$KSUMYSTA - [MY] [ST]atisics (current session)                       
        [P]rocess Info                                                          
          X$KSUPL - Process (resource) [L]imits                                 
          X$KSUPRLAT - [LAT]ch Holder                                           
          X$KSUPR - Process object                                              
        [R]esource                                                              
          X$KSURU - Resource [U]sage                                            
        [S]tatistics                                                            
          X$KSUSD - [D]escriptors (statistic names)                             
          X$KSUSGSTA - [G]lobal [ST]atistics                                    
        [SE]ssions                                                              
          X$KSUSECST - Session status for events                                
          X$KSUSESTA - Session [STA]tistics                                     
          X$KSUSECON - [CON]nection Authentication - 7.2.1 or higher            
          X$KSUSE - [SE]ssion Info                                              
          X$KSUSIO - [S]ystem [IO] statistics per session                       
        [T]imer                                                                 
          X$KSUTM - Ti[M]e in 1/100th seconds                                   
        Instance [X]                                                            
          X$KSUXSINST - [INST]ance state                                        
        [T]race management                                                      
          X$TRACE - Current traced events                                       
          X$TRACES - All possible traces                                        
          X$KSTEX - Code [EX]ecution - 7.2.1 or higher                          
      E[X]ecution Management                                                    
        Device/Node [A]ffinity - 7.3.2 and above                                
          X$KSXAFA - Current File/Node Affinity                                 
    [T]ransaction Layer                                                         
      Table [A]ccess [D]efinition                                               
        X$KTADM - D[M]L lock                                                    
      [C]ontrol Component                                                       
        X$KTCXB - Transaction O[B]ject                                          
      [S]or[T] Segments - 7.3 or higher                                         
        X$KTSTSSD - [S]ort [S]egment [D]escriptor - per tablespace statistics   
      [T]ablespace                                                              
        X$KTTVS - [V]alid [S]aveundo                                            
      [U]ndo                                                                    
        X$KTURD - Inuse [D]escriptors                                           
        X$KTUXE - Transaction [E]ntry (table) - 7.3.2 or above                  
    Performance Layer [V] - 7.0.16 or higher                                    
       [I]nformation tables                                                      
        X$KVII - [I]nitialisation Instance parameters                           
        X$KVIS - [S]izes of structure elements                                  
        X$KVIT - [T]ransitory Instance parameters                               
    Security Layer [Z]                                                          
      [D]ictionary Component                                                    
        X$KZDOS - [OS] roles                                                    
      [S]ecurity State                                                          
        X$KZSPR - Enabled [PR]ivileges                                          
        X$KZSRO - Enabled [RO]les                                               
      [R]emote Logins - 7.1.1 or higher                                         
        X$KZSRT - [R]emote Password File [T]able entries                        
    E[X]ecution Layer                                                           
      Parallel Query (Execute [F]ast) - 7.1.1 or higher                         
        [P]rocess and Queue Manager                                             
          Statistics - 7.1.3 or higher                                          
            X$KXFPYS - S[YS]tem Statistics                                      
            X$KXFPDP - [D]etached [P]rocess (slave) statistics                  
            X$KXFQSROW - Table [Q]ueue Statistics - 7.3.2 or higher             
          [C]oordinator Component                                               
            X$KXFPCST - Query [ST]atistics                                      
            X$KXFPCMS - [M]essage [S]tatistics                                  
            X$KXFPCDS - [D]equeue [S]tatistics                                  
          [S]lave Component                                                     
            X$KXFPSST - Query [ST]atistics                                      
            X$KXFPSMS - [M]essage [S]tatistics                                  
            X$KXFPCDS - [D]equeue [S]tatistics                                  
      [S]hared Cursor                                                           
        X$KXSBD - [B]ind [D]ata - 7.3.2 and above                               
        X$KXSCC - SQL [C]ursor [C]ache Data - 7.3.2 and above                   
  [N]etwork Layer - 7.0.15 or higher                                            
    Network [CO]nnections                                                       
      X$UGANCO - Current [N]etwork [CO]nnections
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