This screenshot shows the Create Table window. The Schema and Name is set to APPUSER and PURCHASE_ORDERS respectively. The Advanced checkbox is unchecked.
The Table tab is selected.
The + (plus) button is clicked.
PK: (selected)
Name: PO_NUMBER
Data Type: NUMBER
Size: (null)
Not Null: (checked)
Default: (null)
Comment: (null)
There are three active buttons - Help, OK, and Cancel. The OK button is being clicked.