安徽省第五次总代会提出要在“十二五”期间努力把安徽打造成“三个强省”，下列不属于“三个强省”的是（

ned by the employee.Which three tasks would require subqueries or joins in order to perform in a single step？（）

A. Deleting the records of employees who do not earn commission.

B. Increasing the commission of employee 3 by the average commission earned in department 20.

C. Finding the number of employees who do NOT earn commission and are working for department 20.

D. Inserting into the table a new employee 10 who works for department 20 and earns a commission that is equal to the commission earned by employee 3.

E. Creating a table called COMMISSION that has the same structure and data as the columns EMP_ID and COMMISSIONS of the EMP table.

F. Decreasing the commission by 150 for the employees who are working in department 30 and earning a commission of more then 800.

A．

B．

C．

D．

A．

B．

C．

D．

ws the monthly commission earned by the employee.Which three tasks would require subqueries or joins in order to be performed in a single step？（）

A.deleting the records of employees who do not earn commission

B.increasing the commission of employee 3 by the average commission earned in department 20

C.finding the number of employees who do NOT earn commission and are working for department 20

D.inserting into the table a new employee 10 who works for department 20 and earns a commission that is equal to the commission earned by employee 3

E.creating a table called COMMISSION that has the same structure and data as the columns EMP_ID and COMMISSION of the EMP table

F.decreasing the commission by 150 for the employees who are working in department 30 and earning a commission of more than 800

A．

B．

C．

D．

A．

B．

C．

D．

A. An error is generated.

B. You will have two identical tables in the HR schema with different names.

C. You create a table called employees in the HR schema based on you EMP table.

D. You create an alternative name for the employees table in the HR schema in your own schema.

5 30 8006 30 2007 108 20 300The COMMISSION column shows the monthly commission earned by the employee. Which three tasks would require subqueries or joins in order to perform in a single step？ （）

A. Deleting the records of employees who do not earn commission.

B. Increasing the commission of employee 3 by the average commission earned in department 20.

C. Finding the number of employees who do NOT earn commission and are working for department 20.

D. Inserting into the table a new employee 10 who works for department 20 and earns a commission that is equal to the commission earned by employee 3.

E. Creating a table called COMMISSION that has the same structure and data as the columns EMP_ID and COMMISSIONS of the EMP table.

F. Decreasing the commission by 150 for the employees who are working in department 30 and earning a commission of more then 800.

03 and 115. The UPDATE statement you specify should update the rows with the values specified below:Which UPDATE statement meets the requirements？（）

A.

B.

C.

D.

E.

A.INSERT INTO employees VALUES (NULL, ‘John‘, ‘Smith‘);

B.INSERT INTO employees(first_name, last_name) VALUES(‘John‘, ‘Smith‘);

C.INSERT INTO employees VALUES (‘1000‘, ‘John‘, NULL);

D.INSERT INTO employees (first_name, last_name, employee_id) VALUES (1000, ‘John‘, ‘Smith‘);

E.INSERT INTO employees (employee_id) VALUES (1000);

F.INSERT INTO employees (employee_id, first_name, last_name) VALUES (1000, ‘John‘, ‘ ‘);