## HISTORYINFO

### Definition

The system table HISTORYINFO displays information regarding data history. This history is necessary for providing data for a consistent view.

### Structure

HISTORYINFO

FILENO | FIXED(10) | Number of the history file
FIRSTTRANS | CHAR(20) | Oldest transaction that has not yet been processed by the garbage collector
LASTTRANS | CHAR(20) | Most recent transaction that has not yet been processed by the garbage collector
PAGECOUNT | FIXED(10) | Number of pages used by the history file and all undo log files referenced by it