【单选题】Examine the structure of the EMPLOYEES table: EMPLOYEE_ID NUMBER NOT NULL EMP_NAME VARCHAR2(30) JOB_ID VARCHAR2(20) SAL NUMBER MGR_ID NUMBER DEPARTMENT_ID NUMBER You want to create a SQL script file t...
A.
INSERT INTO employees VALUES (emp_id_seq.NEXTVAL, &ename','&jobid', 2000, NULL, &did);
B.
INSERT INTO employees VALUES (emp_id_seq.NEXTVAL, '&ename', '&jobid', 2000, NULL, &did IN (20,50));
C.
INSERT INTO (SELECT * FROM employees WHERE department_id IN (20,50)) VALUES (emp_id_seq.NEXTVAL, &ename','&jobid', 2000, NULL, &did);
D.
INSERT INTO (SELECT * FROM employees WHERE department_id IN (20,50) WITH CHECK OPTION) VALUES (emp_id_seq.NEXTVAL, &ename','&jobid', 2000, NULL, &did);
E.
INSERT INTO (SELECT * FROM employees WHERE (department_id = 20 AND department_id = 50) WITH CHECK OPTION ) VALUES (emp_id_seq.NEXTVAL, &ename','&jobid', 2000, NULL, &did);
【单选题】Is the statement “The values for Cl- wet deposition were greater during the winter and early spring when road salt is typically applied” supported by the results of Study 2 ?
A.
Yes, because Cl- wet deposition values were, on average, greater from November to April than they were from May to October.
B.
Yes, because Cl- wet deposition values were, on average, less from November to April than they were from May to October.
C.
No, because Cl- wet deposition values were, on average, greater from November to April than they were from May to October.
D.
No, because Cl- wet deposition values were, on average, less from November to April than they were from May to October.