|
Title: Which of the following commands will drop any columns marked as unused from the TABLEA table? Post by: thegingercoffee on Jan 31, 2018 Which of the following commands will drop any columns marked as unused from the TABLEA table?
a. DROP COLUMN FROM tablea WHERE column_status = UNUSED; b. ALTER TABLE tablea DROP UNUSED COLUMNS; c. ALTER TABLE tablea DROP (unused); d. DROP UNUSED COLUMNS: Title: Which of the following commands will drop any columns marked as unused from the TABLEA table? Post by: sky2walker on Jan 31, 2018 b
|