... 25 -MAY -20 06, 120 1, 13-JUN -20 06 2, Computer System, 18-JUN -20 06, 120 1, 27 -JUN -20 063, Travel Expense, 26 -JUN -20 06, 1340, 11-JUL -20 06To load data into the PURCHASE_ORDERS table:1. Go to the Database ... Views" on page 8 -24 ■ "Example: Creating a View" on page 8 -25 ■ "Example: Deleting a View" on page 8 -26 Managing Tables8-16 Oracle Database 2 Day DBA 2. At the top of the ... NULLPO_NUMBER NUMBER YesPO_DESCRIPTION VARCHAR2 20 0 NoPO_DATE DATE YesManaging Tables8- 12 Oracle Database 2 Day DBA Modifying Table AttributesYou can use Database Control to add and delete table...