...al Arithmetic 浮点小数运算 Decimal Floating Point Arithmetic 十进制浮点数算法 decimal arithmetic operation 十进算术运算 ..
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SQL-92 includes a decimal data type, which is an exact numeric type for representing fixed point decimal Numbers and performs basic arithmetic operation on decimal Numbers.
SQL - 92包括DECIMAL数据类型，它是用于表示定点小数的精确数字类型，它可以对小数进行基本的算术运算。
That's more than adequate for most tasks, but you do need to keep in mind that it's not decimal arithmetic, and that every float operation can suffer a new rounding error.
但是，我们还是要牢记我们做的并不是十进制运算，任何一个浮点预算都有可能产生一个新的错误。
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