题目内容

沿船长方向垂直布置的舱壁叫()。

A. 横舱壁
B. 纵舱壁
C. 平面舱壁

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申请食品生产许可,应当提交下列保证食品安全的规章制度()。

A. 进货查验记录制度
B. 生产过程控制制度
C. 出厂检验记录制度
D. 食品安全自查制度
E. 不安全食品召回制度
F. 食品安全事故处置制度

工商所认领监管对象后应于()个工作日内为其建立“经济户口”监督管理档案。

A. 3
B. 5
C. 7
D. 10

朋友使用的是一台早期的计算机,光驱只支持PIO4标准而不支持DMA/33标准,当时自己不知道,便在“设备管理器”中将CD-ROM中的DMA复选框选中,结果造成了计算机不能正常启动,这该如何处理?

Review the definition of the phone_list view. CHEATE OR REPLACE ALGORITHM=MERGE DEFINER= 'root'@localhost' SQL SECURITY DEFINER VIEW 'phone_list' AS SELECT e . id as id 'e . first_name AS 'first_name' 'e . last_name AS 'last_name' 'coalesce ( ph1.phone_no, ' – ') AS 'office_no' 'coalesce (ph2 .phone_no, ' – ') AS 'cell_no' FROM employees e LEFT JOIN employee_phone ph1 ON ph1.emp_id = e.id AND ph1.type = 'office' LEFT JOIN employee_phone ph2 ON ph2 .emp_id = e.id AND ph2 .type = 'mobile' The tables employees and employee_phone are InnoDB tables; all columns are used in this view. The contents of the phone_list view are as follows: Mysql> select * from phone_list; 1 row in set (0.00 sec) Which method can you use to change the cell_no value to '555-8888' for John Doe?()

A. INSERT INTO employee_phone (emp_id, phone_no, type) VALUES (1, '555-8888','mobile')
B. UPDATE phone_list SET cell_name '555-8888' WHERE first_name= 'John' and last_name= 'Doe'
C. DELETE FROM phone_list WHERE first_name= 'John' and last_name= 'Doe'; INSERT INTO phone_list (first_name, last_name, office_no, cell_no) VALUES ('John' , 'Doe' , 'x1234' , '555-8888)
D. UPDATE employee_phone SET phone_no= '555-8888' where emp_id=1

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