单项选择题
Examine the structure of the EMPLOYEES, DEPARTMENTS, and TAX tables.
For which situation would you use a nonequijoin query?（）
A. To find the tax percentage for each of the employees.
B. To list the name, job id, and manager name for all the employees.
C. To find the name, salary, and department name of employees who are not working with Smith.
D. To find the number of employees working for the Administrative department and earning less then 4000.
E. To display name, salary, manager ID, and department name of all the employees, even if the employees do not have a department ID assigned.
相关考题
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单项选择题
Examine the structure of the EMPLOYEES and DEPARTMENTS tables: EMPLOYEES EMPLOYEE_ID NUMBER DEPARTMENT_ID NUMBER MANAGER_ID NUMBER LAST_NAME VARCHAR2(25) DEPARTMENTS DEPARTMENT_ID NUMBER MANAGER_ID NUMBER DEPARTMENT_NAME VARCHAR2(35) LOCATION_ID NUMBER You want to create a report displaying employee last names, department names, and locations. Which query should you use to create an equi-join?（）
A. SELECT last_name, department_name, location_id FROM employees , department ;
B. SELECT employees.last_name, departments.department_name, departments.location_id FROM employees e, departments D WHERE e.department_id = d.department_id;
C. SELECT e.last_name, d.department_name, d.location_id FROM employees e, departments D WHERE manager_id = manager_id;
D. SELECT e.last_name, d.department_name, d.location_id FROM employees e, departments D WHERE e.department_id = d.department_id; -
单项选择题
Which best describes an inline view?（）
A. a schema object
B. a subquery that can contain an ORDER BY clause
C. another name for a view that contains group functions
D. a subquery that is part of the FROM clause of another query -
多项选择题
Examine the statement: GRANT select, insert, update ON student_grades TO manager WITH GRANT OPTION; Which two are true?（）
A. MANAGER must be a role.
B. It allows the MANAGER to pass the specified privileges on to other users.
C. It allows the MANAGER to create tables that refer to the STUDENT_GRADES table.
D. It allows the MANAGER to apply all DML statements on the STUDENT_GRADES table.
E. It allows the MANAGER the ability to select from, insert into, and update the STUDENT_GRADES table.
F. It allows the MANAGER the ability to select from, delete from, and update the STUDENT_GRADES table.
