Meaning of after image journal | Babel Free

Definitions

A transaction log acting as a version of a database entry after an update is recorded.

Examples

“ORACLE Server uses AFTER IMAGE JOURNAL (AIJ), which is enabled by adding the after_image parameter to the ORACLE Server's initialization file⟳.”

“The -RESTORE⟳ attribute can only be set⟳ if the system's after image journal is open⟳.”

“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.”

“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.”

“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.”

“'After' image journaling - taking an image (copy⟳) of the record⟳ after a transaction and storing in 'after image' journal table.”

“This capability is based on a transaction log⟳ used with a before-image journal and after-image journal.”

CEFR level