30.choose the best answer Examine the commands used to create DEPARTMENT_DETAILS and COURSE_DETAILS: SQL> CREATE TABLE DEPARTMENT_DETAILS (DEPARTMENT_ID NUMBER PRIMARY KEY, DEPARTMENT_NAME VARCHAR2(50) , HOD VARCHAR2(50)); SQL> CREATE TABLE COURSE_D…
35.choose the best answer View the Exhibit and examine the description of the EMPLOYEES table. Evaluate the following SQL statement: SELECT first_name, employee_id, NEXT_DAY(ADD_MONTHS(hire_date,6),1) "Review" FROM employees; The query was writt…