Which of the following tasks can be performed by using the TO_CHAR function?  

You need to create a report of ten students who achieved the highest ranking in the course INT_SQL and completed the course in the year 1999. Which of the following SQL statements accomplishes this task?

Which component is a literal in the following select statement? Select Emp name :||ename from emp where deptno=20;

Examine the data in the EMPLOYEES table given below: LAST_NAME DEPARTMENT_ID SALARY ALLEN 10 3000 MILLER 20 1500 King 20 2200 Davis 30 5000 Which of the following Subqueries work?

You have to calculate the value 12* salary* commission_pct for all the employees in the EMP table. Which of the following statements ensures that a value is displayed in the calculated column for all the employees?

You want to list names of the employees who have been with the company for more than five years. Which of the following SQL statements will display the required results?

Which type of join will you write to perform an outer join of tables A and B that returns all rows from B

The STUDENT_GRADES table has these columns: STUDENT_ID NUMBER (12) SEMESTER_END DATE GPA NUMBER (4, 3) Which of the following statements finds the highest Grade Point Average (GPA) per semester?