What does the TRUNCATE statement do?

Top N analysis requires _____ and _____.

Which data dictionary view holds information about the column in a view?

Which of the following SELECT statements should be used to extract the year from the system date to display it in the format '2001'?

Which of the following SQL statements accepts user input for the columns to be displayed, table name, and the WHERE condition?

Where is the GROUP BY clause statement placed in a SELECT statement that includes a WHERE clause?

Examine the two SQL statements given below: SELECT last_name, salary, hire_date FROM EMPLOYEES ORDER BY salary DESC; SELECT last_name, salary, hire_date FROM EMPLOYEES ORDER BY 2 DESC; What is true about them?

Examine the code given below: SELECT employee_id FROM employees WHERE commission_pct=.5 OR salary > 23000 Which of the following statement is correct with regard to this code?

Which of the following is an iSQL*Plus command?

Evaluate the following SQL statement: SELECT e.employee_id, (.15* e.salary) + (.5 * e.commission_pct) + (s.sales_amount * (.35 * e.bonus)) AS CALC_VALUE FROM employees e, sales s WHERE e.employee_id = s.emp_id; What will happen if all the parentheses are removed from the calculation?

Which of the following statements are correct with regard to WHERE and HAVING clauses?