Progress
Database Administration
Guide and Reference


Lost Transactions

The type of recovery mechanisms you use depends on the number of committed transactions you can afford to lose if the database becomes unavailable. Table 6–4 provides examples.

Table 6–4: Availability and Transaction Loss 
If You Can Lose . . .
Then Use . . .
No committed transactions
After-imaging
One day of committed transactions
Daily backups
One week of committed transactions
Weekly backups


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