DRAG DROP
You merge several CVS files by using Query Editor.
You need to remove all the leading whitespaces and all the non-printable characters from a column.
What should you do to achieve each task? To answer, drag the appropriate actions to the correct goals. Each action may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.
NOTE: Each correct selection is worth one point.
Answer: 
