oracle8.1.6 update as_sections set instructions=empty_clob() where section_id=:as_section_id returning instructions into :1 update as_sections set instructions=empty_clob(), feedback_text=empty_clob() where section_id=:new_section_id returning instructions,feedback_text into :1, :2 update as_sections set instructions=empty_clob(), feedback_text=empty_clob() where section_id=:new_section_id returning instructions,feedback_text into :1, :2