"Sometimes, bad things happen again and again, and we never understand why, "Michele said, wishing ther was something she could do to ease her pain.

The good news for them is that things are not getting worse; the bad news is that this is because they cannot deteriorate any fur- ther.

Steps such as immunizing ther database by multiplexing (putting in different locations) control files, using online redo logs and archiving redo logs are necessary to avoid a single point of failure.