isnullable-method-sqlserverparametermetadata.md

title	isNullable Method (SQLServerParameterMetaData) | Microsoft Docs
ms.custom
ms.date	01/19/2017
ms.prod	sql
ms.prod_service	connectivity
ms.reviewer
ms.technology	connectivity
ms.topic	conceptual
apiname	SQLServerParameterMetaData.sNullable
apilocation	sqljdbc.jar
apitype	Assembly
ms.assetid	d7e07cff-6fc4-4c9c-8e8f-838c77734bc5
author	David-Engel
ms.author	v-daenge

isNullable Method (SQLServerParameterMetaData)

[!INCLUDEDriver_JDBC_Download]

Retrieves whether null values are allowed in the designated parameter.

Syntax

  
public int isNullable(int param)  

Parameters

param

An int that indicates parameter index.

Return Value

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

ParameterMetaData.parameterNoNulls

ParameterMetaData.parameterNullable

ParameterMetaData.parameterNullabilityUnknown

Exceptions

SQLServerException

Remarks

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

See Also

SQLServerParameterMetaData Methods
SQLServerParameterMetaData Members
SQLServerParameterMetaData Class