【单选题】A junior level Database Administrator erroneously deleted the database alert log while users were accessing the database. Which action should you take to recover the alert log?()
C.
Perform recovery on the database.
D.
Restore the alert log from the last backup.
【单选题】When you are performing media recover, and an archived log is lost or corrupt, which type of recover must you perform?()
D.
Recover using backup control file.
【单选题】正确的招标程序顺序应当是()。 ①发布招标公告或发出投标邀请书 ②发售招标文件 ③组织投标人踏勘现场,并对招标文件答疑 ④确定投标人编制投标文件所需要的合理时间 ⑤对潜在投标人进行资质审查,并将审查结果通知各潜在投标人 ⑥成立招标组织,由招标人自行招标或委托招标 ⑦开标 ⑧定标、签发中标通知书 ⑨评标 ⑩编制招标文件和标底(如果有) ⑪签订合同
【单选题】The configuration of the online redo log files is as follows: Based on this configuration, which statement is true?()
A.
The LGWR process concurrently writes the redo log entries to both the members of a group.
B.
When a member of a group becomes corrupt, the database crashes.
C.
The sizes of the redo01a.log and redo01b.log online redo log members of group Group1 can be different.
D.
When redo02a.log and redo02b.log files become corrupt, then the database operations will proceed as normal.
【简答题】After he had worked as a doctor for some years, he decided to focus his study on children's diseases.
【单选题】Redo log files are multiplexed in your database. The disk in which you have one of the redo log members is highly fragmented. In the process of defragmentation you lose the redo log member, which is n...
A.
SMON would automatically restore the lost file.
B.
You would need to restore the whole database from the last backup.
C.
You would need to restore the file from the last full database backup.
D.
You would need to use flashback technology to restore the lost redo log member.
E.
You would need to use Recovery Manager (RMAN) to restore the lost redo log member.
F.
You would need to restore the missing log file by copying one of the remaining files from the same group.