SQL Server是圆形还是截断?

Est*_*aya 3 sql-server math floating-point

假设我正在将64位浮点双插入DECIMAL(17,5)字段.值是舍入还是截断?

Eri*_*ric 5

轮次:

select cast(9.12345 as decimal(10,4))
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返回 9.1235