---
title: "updateNull Method (java.lang.String) | 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: 
  - "SQLServerResultSet.updateNull (java.lang.String)"
apilocation: 
  - "sqljdbc.jar"
apitype: "Assembly"
ms.assetid: fb3e5cde-30e1-4c95-adf0-d5b6c1f0da95
author: David-Engel
ms.author: v-daenge
---
# updateNull Method (java.lang.String)
[!INCLUDE[Driver_JDBC_Download](../../../includes/driver_jdbc_download.md)]

  Updates the designated column with a null value given the column name.  
  
## Syntax  
  
```  
  
public void updateNull(java.lang.String columnName)  
```  
  
#### Parameters  
 *columnName*  
  
 A **String** that contains the column name.  
  
## Exceptions  
 [SQLServerException](../../../connect/jdbc/reference/sqlserverexception-class.md)  
  
## Remarks  
 This updateNull method is specified by the updateNull method in the java.sql.ResultSet interface.  
  
## See Also  
 [updateNull Method (SQLServerResultSet)](../../../connect/jdbc/reference/updatenull-method-sqlserverresultset.md)   
 [SQLServerResultSet Members](../../../connect/jdbc/reference/sqlserverresultset-members.md)   
 [SQLServerResultSet Class](../../../connect/jdbc/reference/sqlserverresultset-class.md)