后续版本的 Microsoft SQL Server 将删除该功能。请避免在新的开发工作中使用该功能，并着手修改当前还在使用该功能的应用程序。
The IsNumeric property is TRUE if the system data type referenced is an exact, numeric data type.
语法
object
.IsNumeric
Parts
- object
An expression that evaluates to an object in the Applies To list
Data Type
Boolean
Modifiable
Read-only
Prototype (C/C++)
HRESULT GetIsNumeric(LPBOOL pRetVal);
备注
Exact numeric data types are scaled integer values represented as strings. If a column using an exact numeric data type is being defined, precision and scale are specified, as in decimal(12, 4).