试题详情
- 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?()
A、SELECT e.last_name, d. department_name, d.location_id FROM employees e NATURAL JOIN departments D USING department_id ;
B、SELECT last_name, department_name, location_id FROM employees NATURAL JOIN departments WHERE e.department_id =d.department_id;
C、SELECT e.last_name, d.department_name, d.location_id FROM employees e NATURAL JOIN departments d;
D、SELECT e.last_name, d.department_name, d.location_id FROM employees e JOIN departments d USING (department_id );
关注下方微信公众号,在线模考后查看

热门试题
- Examine the structu
- What is true about j
- What is true about u
- Which three are DATE
- The EMP table conta
- Which is a valid CRE
- What is true regardi
- For which two constr
- ClicktheExhibitbutto
- TheSTUDENT_GRADEStab
- Which /SQL*Plus feat
- Examine the structu
- Which clause would y
- Examine the data of
- ClicktheExhibitbutto
- Evaluate these two S
- In which scenario wo
- The EMPLOYEES table
- In which two cases w
- Which two statements