| sid456 2002-03-09, 4:46 pm |
| 1. What is a potential reason for a ˇ§snapshot too oldˇ¨ error message?
a.You did not refresh your snapshots in time.
b.An ITL entry in a data block has been reused.
c. Rollback segment extent sizes are too large.
d. Your online redo log files are not big enough to snap your largest transactions.
2. Which action could potentially cause checkpoints to take longer?
a. Increasing the number of redo log groups
b. Increasing the size of rollback segments
c. Decreasing the value of the REDO_LOG_BUFFERS parameter
d. Increasing the value of the FATS_START_IO_TARGET parameter
Please help! |