View Oracle command column within v$session Oracle Database Tips by Donald Burleson

Question:  How do I translate the "command" column within v$session to see the command that is associated with the session.

Answer: You can use the CASE or DECODE command to translate these values and here is a sample script to see the command columns within v$session.  For a full listing of scripts, see the Oracle scripts collection:

select
 s.sid,
 p.spid,
 substr(s.program,1,20) program,
 decode(s.command,
  1,'Create table' , 2,'Insert',
  3,'Select' , 6,'Update',
  7,'Delete' , 9,'Create index',
  10,'Drop index' ,11,'Alter index',
  12,'Drop table' ,13,'Create seq',
  14,'Alter sequence' ,15,'Alter table',
  16,'Drop sequ.' ,17,'Grant',
  19,'Create syn.' ,20,'Drop synonym',
  21,'Create view' ,22,'Drop view',
  23,'Validate index' ,24,'Create procedure',
  25,'Alter procedure' ,26,'Lock table',
  42,'Alter session' ,44,'Commit',
  45,'Rollback' ,46,'Savepoint',
  47,'PL/SQL Exec' ,48,'Set Transaction',
  60,'Alter trigger' ,62,'Analyze Table',
  63,'Analyze index' ,71,'Create Snapshot Log',
  72,'Alter Snapshot Log' ,73,'Drop Snapshot Log',
  74,'Create Snapshot' ,75,'Alter Snapshot',
  76,'drop Snapshot' ,85,'Truncate table',
  0,'No command', '? : '||s.command) nocommand
from
 v$session s;
 

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