A、In the Coast Pilot
B、In the Nautical Almanac
C、In the List of Lights
D、In the Sailing Directions
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A、Where do you want to go？ B、Where would you like to go？ C、Where are you going？ D、Where are they going？
A、A. CREATE VIEW emp_vu AS SELECT * FROM employees WHERE department_id IN (10,20); B、B. CREATE VIEW emp_vu AS SELECT * FROM employees WHERE department_id IN (10,20) WITH READ ONLY; C、C. CREATE VIEW emp_vu AS SELECT * FROM employees WHERE department_id IN (10,20) WITH CHECK OPTION; D、D. CREATE FORCE VIEW emp_vu AS SELECT * FROM employees WHERE department_id IN (10,20); E、E. CREATE FORCE VIEW emp_vu AS SELECT * FROM employees WHERE department_id IN (10,20) NO UPDATE;
A、You are backing up to tape and your tape device performs its own compression. B、You are making image copies, and you have not enabled tablespace compression. C、You are using disk-based backups and disk space in your Flash Recovery Area, or other disk-based backup destinations are limited. D、You are performing your backups to some device over a network where reduced network bandwidth is more important than CPU usage. E、You are using some archival backup media, such as CD or DVD, where reducing backup sizes saves media costs and archival storage.
A、You are working on a database where downtime is not tolerated. B、You are working on a database where downtime can be tolerated. C、You are working on a database that operates in ARCHIVELOG mode. D、You are working on a database that operates in NOARCHIVELOG mode. E、You are working on a database where all the tablespaces are locally managed. F、You are working on a database where control files and redo log files are multiplexed. H、You are working on a database where control files and redo log files are not multiplexed.
A、where is the chief officer B、where the chief officer is C、is where the chief officer D、where the chief officer
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