It seems()to change the timetable so often.
A、unlogical
B、imlogical
C、inlogical
D、illogical
A、unlogical
B、imlogical
C、inlogical
D、illogical
A、it is done in a succession of small course changes B、It is not done too early C、It is a large course change D、the course change is to starboard
A、It provides a legal reason to cancel a projected voyage B、It allows the mariner to make long term weather forecasts C、It is of little benefit since the weather changes frequently and rapidly D、It gives the mariner time to prepare for weather changes
A、 It keeps track of changes in the background processes. B、 It records the system change number (SCN) in the control file. C、 It writes audit records for user changes to the change tracking file. D、 It records any changes to the listened configuration in the listener.ora file. E、 It records any changes to the database parameters in the change tracking file. F、 It records the physical location of all the changes that are made to the database in the change tracking file.
A、It allows users to retain all uncommitted changes when exiting exclusive configuration mode. B、It allows multiple users to edit private copies of the configuration concurrently. C、It causes the loss of all uncommitted changes when exiting exclusive configuration mode. D、It excludes other users from editing the configuration.