V$Process
SQL> desc v$process
 Name                                                                                Null?    Type
 ----------------------------------------------------------------------------------- -------- --------------------------------------------------------
 ADDR                                                                                         RAW(8)
 PID                                                                                          NUMBER
 SPID                                                                                         VARCHAR2(12)
 USERNAME                                                                                     VARCHAR2(15)
 SERIAL#                                                                                      NUMBER
 TERMINAL                                                                                     VARCHAR2(30)
 PROGRAM                                                                                      VARCHAR2(48)
 TRACEID                                                                                      VARCHAR2(255)
 BACKGROUND                                                                                   VARCHAR2(1)
 LATCHWAIT                                                                                    VARCHAR2(16)
 LATCHSPIN                                                                                    VARCHAR2(16)
 PGA_USED_MEM                                                                                 NUMBER
 PGA_ALLOC_MEM                                                                                NUMBER
 PGA_FREEABLE_MEM                                                                             NUMBER
 PGA_MAX_MEM                                                                                  NUMBER