Note that this atomic domain is defined as DOUBLE, while the data type for the database column (determined using reverse engineering) is a BIGINT.

注意，这个原子域被定义为 DOUBLE，而数据库列（由反向工程决定）的数据类型为 BIGINT。

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It gives double the LENGTH function value if double-byte data type is used as input.

如果使用双字节数据类型作为输入，它就会给出双倍的length函数值。

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For example even though at design time a variable of data type double can be mapped to a table column of type XML, the run time consequences are unpredictable and hence resulting in errors.

例如，虽然在运行时可以将double类型的变量映射到xml类型的表列，但是这可能导致不可预测的运行时结果，并因此而产生错误。

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