A. INSERT B. UPDATE C. SELECT D. DESCRIBE E. DELETE F. RENAME
A. DROP emp_dept_uv; B. DELETE emp_dept_uv; C. REMOVE emp_dept_uv; D. DROP VIEW emp_dept_uv; E. DELETE VIEW emp_dept_uv; F. REMOVE VIEW emp_dept_uv;
Examine the data from the EMP table: The COMMISSION column shows the monthly commission earned by the employee.Which three tasks would require subqueries or joins in order to perform in a single step?()
A. Deleting the records of employees who do not earn commission. B. Increasing the commission of employee 3 by the average commission earned in department 20. C. Finding the number of employees who do NOT earn commission and are working for department 20. D. Inserting into the table a new employee 10 who works for department 20 and earns a commission that is equal to the commission earned by employee 3. E. Creating a table called COMMISSION that has the same structure and data as the columns EMP_ID and COMMISSIONS of the EMP table. F. Decreasing the commission by 150 for the employees who are working in department 30 and earning a commission of more then 800.