| 1. | Redo logs contain both committed and uncommitted data
循环日志包含提交和未提交数据 |
| 2. | Recovering from the loss of the current redo log group
从当前重做日志组的丢失中恢复。 |
| 3. | Archive logs physical copies of the online redo logs
归档日志联机重做日志的物理副本。 |
| 4. | Archiver arch automates the copying of redo logs
归档器（ arch ）自动化重做日志的复制。 |
| 5. | Redo logs contain both committed and uncommitted data
重做日志包含提交和未提交的数据。 |
| 6. | Extracting the data dictionary into the redo log files
将数据字典摘取到重做日志文件中。 |
| 7. | During log switch , online redo logs will be archived
在日志切换期间，将归档联机重做日志 |
| 8. | Recovering from the loss of an inactive redo log group
从不活动的重做日志组的丢失中恢复。 |
| 9. | Recovering from the loss of an only active redo log group
从惟一活动重做日志组的丢失中恢复。 |
| 10. | Redo logs are needed for recovery
对于恢复，重做日志是必需的。 |
