If a log file becomes corrupted, it may cause the database to stall. How would you correct such a situation?()
A. Recover the online redo log from backup.
B. Delete and re-create the log file.
C. Use the alter database clear logfile command to clear the log file.
D. Shut down the database and restart it.
E. Shut down the database and then mount it. Clear the log file with the alter database clear logfile command and then restart the database with alter database open resetlogs.
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油藏外部总是与一定的水体相连通,油藏开采后由于压力下降,使其周围水体中的水流入油藏进行补给,这就是所谓的天然能量开采方式。
A. 正确
B. 错误
ILO是()的缩写。
A. 国际海事组织
B. 国际劳工组织
C. 国际港口协会
D. 国际海运联盟