Retrieves whether null values are allowed in the designated parameter.
public int isNullable(int param)
參數
param
An int that indicates parameter index.
傳回值
An int that indicates the nullability of the designated parameter, which can be one of the following values:
ParameterMetaData.parameterNoNulls
ParameterMetaData.parameterNullable
ParameterMetaData.parameterNullabilityUnknown
例外狀況
備註
This isNullable method is specified by the isNullable method in the java.sql.ParameterMetaData interface.
另請參閱
參考
SQLServerParameterMetaData Class
概念
SQLServerParameterMetaData Methods
SQLServerParameterMetaData Members