What is the minimum recommended amount of memory that can be assigned to a new VIO server？（） ["128MB","256MB","512MB","1GB"]
资产评估的科学性原则要求（）。 ["评估程序要结合具体业务的实际情况，尽量降低评估成本，提高评估效率","评估结果应以充分的事实为依据","评估标准的选择应以特定评估目的为依据","评估方法的选择要受到可利用的条件、数据以及被评估资产的理化状态的制约","以科学的态度制定评估方案"]
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?（） ["INSERT INTO employee_phone (emp_id, phone_no, type) VALUES (1, '555-8888','mobile')","UPDATE phone_list SET cell_name '555-8888' WHERE first_name= 'John' and last_name= 'Doe'","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)","UPDATE employee_phone SET phone_no= '555-8888' where emp_id=1"]
调动教职工工作积极性的关键是（）。 ["加强对教职工的纪律管理","实行物质奖励政策","为教职工创造专业发展的机会","加强思想政治教育，提高教职工的觉悟"]
Which two statements are true about the primary key constraint in a table？ （） ["It is not possible to disable the primary key constraint.","It is possible to have more than one primary key constraint in a single table.","The primary key constraint can be referred by only one foreign key constraint.","The primary key constraint can be imposed by combining more than one column.","The non-deferrable primary key constraint creates an unique index on the primary key column if it is not already indexed."]
简述教师专业能力的要点。
