上一篇讲到了调用集锦,这篇关注一下性能问题吧. DECLARE CURSOR c_tool_list IS SELECT descr d1 FROM hardware; l_descr hardware.descr%type; BEGIN OPEN c_tool_list; LOOP FETCH c_tool_list INTO l_descr; EXIT WHEN c_tool_list%notfound; END LOOP; CLOSE c_tool_list; END; 上面的语句在小陈机…