SQL Sql中的AVG - 浮点数问题

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时间:2020-09-01 02:43:05  来源:igfitidea点击:

AVG in Sql - Float number problem

sqlaverage

提问by NetSide

SELECT     AVG(variable) AS Expr1, SUM(variable) AS Expr2
FROM       ......

result for AVG is 2, but it is not true, it must be 2.95. What is the problem, any idea?

AVG 的结果是 2,但它不是真的,它必须是 2.95。有什么问题,有什么想法吗?

回答by

Try

尝试

Select
    AVG(Cast(variable as Float)),
    SUM(variable)
From
    Table