isnullable-method-sqlserverparametermetadata.md

title	isNullable Method (SQLServerParameterMetaData)
description	isNullable Method (SQLServerParameterMetaData)
author	dlevy-msft-sql
ms.author	dlevy
ms.reviewer	davidengel, machavan, sunilbs
ms.date	01/19/2017
ms.service	sql
ms.subservice	connectivity
ms.topic	reference
apilocation	sqljdbc.jar
apiname	SQLServerParameterMetaData.sNullable
apitype	Assembly

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