USER_JOBS

All jobs owned by this user
Columns
   ___________________________
 
   WHAT
      Body of the anonymous PL/SQL block that this job executes
   INSTANCE
      Instance number restricted to run the job
   NLS_ENV
      alter session parameters describing the NLS environment of the job
   FAILURES
      How many times has this job started and failed since its last success?
   INTERVAL
      A date function, evaluated at the start of execution, becomes next NEXT_DATE
   BROKEN
      If Y, no attempt is being made to run this job.  See dbms_jobq.broken(job).
   TOTAL_TIME
      Total wallclock time spent by the system on this job, in seconds
   NEXT_SEC
      Same as NEXT_DATE.  The job becomes due for execution at this time.
   THIS_SEC
      Same as THIS_DATE.  This is when the last successful execution started.
   THIS_DATE
      Date that this job started executing (usually null if not executing)
   LAST_SEC
      Same as LAST_DATE.  This is when the last successful execution started.
   LAST_DATE
      Date that this job last successfully executed
   SCHEMA_USER
      select * from bar  means  select * from schema_user.bar 
   PRIV_USER
      USER whose default privileges apply to this job
   LOG_USER
      USER who was logged in when the job was submitted
   JOB
      Identifier of job.  Neither import/export nor repeated executions change it.
   MISC_ENV
      a versioned raw maintained by the kernel, for other session parameters
   NEXT_DATE
      Date that this job will next be executed
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Simon Sheppard
SS64.com