Retrieves whether null values are allowed in the designated parameter.
public int isNullable(int param)
Parameters
param
An integer that indicates parameter index.
Return Value
An integer that indicates the nullability of the designated parameter, which can be one of the following values:
ParameterMetaData.parameterNoNulls
ParameterMetaData.parameterNullable
ParameterMetaData.parameterNullabilityUnknown
Exceptions
Remarks
This isNullable method is specified by the isNullable method in the java.sql.ParameterMetaData interface.