Question

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以上是我的表格样本我只想添加一个总列

ID  pp1 pp2 pp3 pp4 pp5 Total
A   100 33  45  67  88
B   20  34  46  68  44
C   59  35  47  69  45
D   23  36  48  70  46
E   23  37  49  71  47
F   11  38  50  72  48
G   45  39  51  73  49

我尝试了这段代码但没有结果

ID  pp1 pp2 pp3 pp4 pp5 Total
A   100 33  45  67  88  333
B   20  34  46  68  44  212
C   59  35  47  69  45  255
D   23  36  48  70  46  223
E   23  37  49  71  47  227
F   11  38  50  72  48  219
G   45  39  51  73  49  257

.....谢谢

Answer 1

删除Sum它是一个聚合函数

SELECT "ID", "pp1", "pp2", "pp3", "pp4", "pp5",("pp1"+"pp2"+"pp3"+"pp4"+"pp5") as Total
FROM TableName

如何在postgresql上加总行

1 个答案: