after image journal

English

Noun

after image journal (plural after image journals)

(computing, databases) A transaction log acting as a version of a database entry after an update is recorded.
Coordinate terms: before image journal, mirror server journal
- 1989, PC Tech Corporation (publisher), PC Tech Journal‎^[1], volume 7, page 57:
  ORACLE Server uses AFTER IMAGE JOURNAL (AIJ), which is enabled by adding the after_image parameter to the ORACLE Server's initialization file.
- 1990, Operator's Manual Automated Data Processing System AN/MYQ-4A, (NSN 7010-01-158-5397), page 117:
  The -RESTORE attribute can only be set if the system's after image journal is open.
- 1994 August 17, smi...@nova.enet.dec.com, “Oracle and GEM 5.1”, in vmsnet.databases.rdb‎^[2] (Usenet):
  This includes the ability to have multiple after image journal files per database. Recovery can occur as an entire database, as a single storage area (operating system file), or at the page level. The result is less down time to repair hardware (disk) problems.
- 1995 May 4, Michael McIntyre, “DDP (DSM) question”, in comp.lang.mumps‎^[3] (Usenet):
  Both MSM and DTM allow you to build systems that shadow a database at the system level, using after image journals that are read by the backup system.
- 1999, Lilian Hobbs, Ian Smith, Ken England, Rdb, A Comprehensive Guide, page 260:
  There may be one or multiple AIJ files, but whichever method is used there will only be one after-image journal file open at any time for an individual database.
- 2005, Nicholas Sherwood, Enterprise Security Architecture, A Business-Driven Approach, page 335:
  'After' image journaling - taking an image (copy) of the record after a transaction and storing in 'after image' journal table.
- 2006, David L. Cannon, Timothy S. Bergmann, Brady Pamplin, CISA Certified Information Systems Auditor Study Guide, page 236:
  This capability is based on a transaction log used with a before-image journal and after-image journal.