• Oracle Timestamp Data Type
  Oracle timestamps explained. Includes SYSTIMESTAMP, LOCALTIMESTAMP, CURRENT_TIMESTAMP, SESSIONTIMEZONE, DBTIMEZONE and examples.
  in Oracle > DB 11g with current_timestamp dbtimezone localtimestamp oracle sessiontimezone systimestamp timestamps
• Oracle
  Difference between two Timestamps, in seconds… | Caffeine Induced
  in Oracle > DB 11g with arithmetic between interval plsql seconds sql timestamps

timestamps from all users