我有一个这样的专栏
column 1 column 2
row1: 125+100+170 , 0
row2: 125+100+130+30 , 0
row3: 230+170 , 0
row4: 230+130+30 , 0
oracle sql 11g有没有办法在每个单元格中找到总和?即 125+100+170 = 395
desired output
column 1 column 2
row1: 395 , 0
row2: 385 , 0
row3: 400 , 0
row4: 390 , 0