isNullable Method (SQLServerParameterMetaData)

Retrieves whether null values are allowed in the designated parameter.

Syntax

  
public int isNullable(int param)

param

An int that indicates parameter index.

An int that indicates the nullability of the designated parameter, which can be one of the following values:

ParameterMetaData.parameterNoNulls

ParameterMetaData.parameterNullable

ParameterMetaData.parameterNullabilityUnknown

This isNullable method is specified by the isNullable method in the java.sql.ParameterMetaData interface.