秉渡刘彰的博客18、choose two Which two statements are true regarding views? (Choose two.) A) A simple view in which column aliases have been used cannot be updated. B) The OR REPLACE option is used to change the d...
秉渡刘彰的博客14、choose the best answer: View the Exhibit and examine the structure of the ORDERS table. Which UPDATE statement is valid? A) UPDATE orders SET order_date = '12-mar-2007' AND order_total = TO_...