我有一个表 tableA,其中包含数据类型 varchar 的列 [Amount].
I have a table tableA that contains a column [Amount] of datatype varchar.
它具有如下值:
47980.89
333652.61
332388.84
374664.48
368715.26
371689.33
371689.33
368715.26
374664.48
现在,当我运行查询时,它运行成功,但每次都给出不同的输出
Now when I run my query, it runs successfully but gives different output each time
SELECT
sum(convert(float, Amount))
FROM tableA
当我尝试其他语句时,出现错误
and when I try this other statement, I get an error
无法将字符值转换为货币.char 值的语法不正确.
Cannot convert a char value to money. The char value has incorrect syntax.
代码:
SELECT
sum(convert(money, Amount))
FROM tableA
我想要列的总和 [Amount]
应该这样做:
select Sum(isnull(cast(amount as float),0)) from #t
或者你需要它是货币数据类型
or you need it to be money data-type
select Sum(isnull(cast(amount as money),0)) from #t
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