The date and time kept in the radiotelephone log shall commence at（）...

第1题

A、A.newly edition with up to date correction and in reasonable prices B、B.the current edition and incorporate the last Notices to Mariners correction C、C.the current edition and incorporate the latest Notices to Mariners correction at the time of sale D、D.brand-new one with up to date correction and clean writing

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第2题

[单选题] which one of the following should maria do to display the release date in a text column?（）

A、used the number and time format options B、used the @date to text functions to convert time to text C、concatenated the date types using mathematical operators D、used the @text functions to convert time and number data to text in text columns

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第3题

[单选题] The mariner must be the final judge of the reliance he can place on the information given in the Admiralty charts and other publications,since they（）.

A、may always be complete and up-to-date B、may not always be complete and up-to-date C、may sometimes be complete and up-to-date D、may not sometimes be complete and up-to-date

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第4题

[] Lifeboat winches on a ship are required to be inspected and an entry made in the logbook. What should this entry include? （）

A、A.The time required to lower a lifeboat B、B.The time required to raise a lifeboat C、C.The date of inspection and condition of the winch D、D.All of the above

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第5题

[单选题] You are currently located in Singapore and have connected to a remote database in Chicago. You issue the following command:SQL> SELECT ROUND (SYSDATE-promo_begin_date, 0) FROM promotions WHERE (SYSDATE-promo_begin_date)/365 >2;PROMOTIONS is the public synonym for the public database link for the PROMOTIONS table. What is the outcome?（）

A、an error because the ROUND function specified is invalid B、an error because the WHERE condition specified is invalid C、number of days since the promo started based on the current Chicago date and time D、number of days since the promo started based on the current Singapore date and time

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第6题

[] Based on which two conditions can master Preventive Maintenance （PM） schedules be created？（）

A、A. elapsed time since the target start date or completion date of previous work generated by PM B、B. difference between completion date of previous work and system date is equal to Lead Time C、C. elapsed time since the target start date or completion date of the latest work orders for the asset D、D. metered equipment usage since the target start date or completion date of previous work generated by PM E、E. metered equipment usage since the target start date or completion date of the latest work order for the asset

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第7题

[单选题] Examine the structure of the STUDENTS table: STUDENT_ID NUMBER NOT NULL, Primary Key STUDENT_NAME VARCHAR2(30) COURSE_ID VARCHAR2(10) NOT NULL MARKS NUMBER START_DATE DATE FINISH_DATE DATE You need to create a report of the 10 students who achieved the highest ranking in the course INT SQL and who completed the course in the year 1999. Which SQL statement accomplishes this task?（）

A、SELECT student_ id, marks, ROWNUM "Rank" FROM students WHERE ROWNUM <= 10 AND finish_date BETWEEN '01-JAN-99' AND '31-DEC-99' AND course_id = 'INT_SQL' ORDER BY marks DESC; B、SELECT student_id, marks, ROWID "Rank" FROM students WHERE ROWID <= 10 AND finish_date BETWEEN '01-JAN-99' AND '31-DEC-99' AND course_id = 'INT_SQL' ORDER BY marks; C、SELECT student_id, marks, ROWNUM "Rank" FROM (SELECT student_id, marks FROM students WHERE ROWNUM <= 10 AND finish_date BETWEEN '01-JAN-99' AND '31-DEC-99' AND course_id = 'INT_SQL' ORDER BY marks DESC); D、SELECT student_id, marks, ROWNUM "Rank" FROM (SELECT student_id, marks FROM students ORDER BY marks DESC) WHERE ROWNUM <= 10 AND finish_date BETWEEN '01-JAN-99' AND '31-DEC-99' AND course _ id ='INT _ SQL';

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第8题

[单选题] A Windows OS has failed to load after a successful power on self test. Which of the following steps will help troubleshoot the problem?（）

A、Change the time and date in the BIOS. B、Replace the keyboard. C、Check for media in the optical drive. D、Add more RAM.

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第9题

[单选题] Examine the structure of the STUDENTS table: STUDENT_ID NUMBER NOT NULL, Primary Key STUDENT_NAME VARCHAR2(30) COURSE_ID VARCHAR2(10) NOT NULL MARKS NUMBER START_DATE DATE FINISH_DATE DATE You need to create a report of the 10 students who achieved the highest ranking in the course INT SQL and who completed the course in the year 1999. Which SQL statement accomplishes this task?（）

A、SELECT student_ id, marks, ROWNUM "Rank" FROM students WHERE ROWNUM <= 10 AND finish_date BETWEEN '01-JAN-99' AND '31-DEC-99 AND course_id = 'INT_SQL' ORDER BY mark DESC; B、SELECT student_id, marks, ROWID "Rank" FROM students WHERE ROWID <= 10 AND finish_date BETWEEN '01-JAN-99' AND '31-DEC-99' AND course_id = 'INT_SQL' ORDER BY mark; C、SELECT student_id, marks, ROWNUM "Rank" FROM (SELECT student_id, marks FROM students WHERE ROWNUM <= 10 AND finish_date BETWEEN '01-JAN-99' AND '31-DEC- 99' AND course_id = 'INT_SQL' ORDER BY mark DESC; D、SELECT student_id, marks, ROWNUM "Rank" FROM (SELECT student_id, marks FROM students WHERE (finish_date BETWEEN '01-JAN-99 AND '31-DEC-99' AND course_id = 'INT_SQL' ORDER BY marks DESC) WHERE ROWNUM <= 10; E、SELECT student id, marks, ROWNUM "Rank" FROM (SELECT student_id, marks FROM students ORDER BY marks) WHERE ROWNUM <= 10 AND finish date BETWEEN '01-JAN-99' AND '31-DEC-99' AND course _ id 'INT_SQL';

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The date and time kept in the radiotelephone log shall commence at（）.

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