某日化厂为一般纳税人2005年4月将自产的洗发水50000瓶和护发素19200瓶用于生产二合一洗发露，4月

hat create the EMPLOYEES and DEPARTMENTS tables:On the EMPLOYEES table, EMPLOYEE_ID is the primary key.MGR_ID is the ID of managers and refers to the EMPLOYEE_ID.DEPT_ID is foreign key to DEPARTMENT_ID column of the DEPARTMENTS table.On the DEPARTMENTS table, DEPARTMENT_ID is the primary key.Examine this DELETE statement:What happens when you execute the DELETE statement？（）

A. Only the row with department ID 40 is deleted in the DEPARTMENTS table.

B. The statement fails because there are child records in the EMPLOYEES table with department ID 40.

C. The row with department ID 40 is deleted in the DEPARTMENTS table. Also the rows with employee IDs 110 and 106 are deleted from the EMPLOYEES table.

D. The row with department ID 40 is deleted in the DEPARTMENTS table. Also the rows with employee IDs 106 and 110 and the employees working under employee 110 are deleted from the EMPLOYEES table.

E. The row with department ID 40 is deleted in the DEPARTMENTS table. Also all the rows in the EMPLOYEES table are deleted.

F. The statement fails because there are no columns specifies in the DELETE clause of the DELETE statement.

FIRST_NAME VARCHAR2(25)LAST_NAME VARCHAR2(25)HIRE_DATE DATEWhat happens when you execute this DELETE statement？ DELETE employees; （）

A. You get an error because of a primary key violation.

B. The data and structure of the EMPLOYEES table are deleted.

C. The data in the EMPLOYEES table is deleted but not the structure.

D. You get an error because the statement is not syntactically correct.

he EXAMPLE tablespace:ALTER TABLE employees SHRINK SPACE CASCADE;Which statement is correct in this scenario？（）

A. The EMPLOYEES table will be changed to read-only mode during the shrink operation.

B. The indexes created on the EMPLOYEES table will need to be rebuilt after the shrink operation is over.

C. The shrink behavior will be cascaded to all dependent segments of the table that support a shrink operation.

D. Data manipulation language (DML) operations will not be possible on the EMPLOYEES table during the COMPACTION phase of the shrink operation.

A. SELECT * FROM employees where salary > (SELECT MIN(salary) FROM employees GROUP BY department _ id);

B. SELECT * FROM employees WHERE salary = (SELECT AVG(salary) FROM employees GROUP BY department _ id);

C. SELECT distinct department_id FROM employees Where salary > ANY (SELECT AVG(salary) FROM employees GROUP BY department _ id);

D. SELECT department_id FROM employees WHERE SALARY > ALL (SELECT AVG(salary) FROM employees GROUP BY department _ id);

E. SELECT last_name FROM employees Where salary > ANY (SELECT MAX(salary) FROM employees GROUP BY department _ id);

F. SELECT department_id FROM employees WHERE salary > ALL (SELECT AVG(salary) FROM employees GROUP BY ANG (SALARY));

A. SELECT * FROM employees where salary > (SELECT MIN(salary) FROM employees GROUP BY department _ id);

B. SELECT * FROM employees WHERE salary = (SELECT AVG(salary) FROM employees GROUP BY department _ id);

C. SELECT distinct department_id FROM employees Where salary > ANY (SELECT AVG(salary) FROM employees GROUP BY department _ id);

D. SELECT department_id FROM employees WHERE SALARY > ALL (SELECT AVG(salary) FROM employees GROUP BY department _ id);

E. SELECT last_name FROM employees Where salary > ANY (SELECT MAX(salary) FROM employees GROUP BY department _ id);

F. SELECT department_id FROM employees WHERE salary > ALL (SELECT AVG(salary) FROM employees GROUP BY ANG (SALARY));

A. DELETE employees;

B. DESCRIBE employees;

C. ROLLBACK TO SAVE POINT C;

D. GRANT SELECT ON employees TO SCOTH

E. ALTER TABLE employees SET UNUSED COLUMN sal;

F. Select MAX(sal) FROM employees WHERE department _ id 20;

Given the following function:CREATE FUNCTION emplist () RETURNS TABLE (id CHAR(6) , firstname VARCHAR(12) , lastname VARCHAR(15) ) LANGUAGE SQL BEGIN ATOMIC RETURN SELECT EMPNO, FIRSTNME, LASTNAME FROM EMPLOYEE WHERE WORKDEPT IN (‘A00‘, ‘B00‘); ENDHow can this function be used in an SQL statement？

A.SELECT TABLE(EMPLIST()) FROM EMPLOYEE

B.SELECT TABLE(EMPLIST()) AS t FROM EMPLOYEE

C.SELECT EMPLIST(id, firstname, lastname) FROM EMPLOYEE

D.SELECT id, firstname, lastname FROM TABLE(EMPLIST()) AS t

A．A

B．B

C．C

D．D

E．E

The U.S. Treasury spot rates are provided in the following table:

Consider a 3-year, 9% annual coupon corporate bond currently trading at $89.464. Given the YTM of a 3-year Treasury is 12%, the Z- spread of the corporate bond is closest to:

A. 1.50%.

B. 1.67%.

C. 1.76%.