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step-6-disconnect-from-the-data-source.md

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title Step 6: Disconnect from the Data Source | Microsoft Docs
ms.custom
ms.date 01/19/2017
ms.prod sql
ms.prod_service connectivity
ms.reviewer
ms.technology connectivity
ms.topic conceptual
helpviewer_keywords
application process [ODBC], disconnecting from data source
data sources [ODBC], disconnecting
disconnecting from data source [ODBC]
ms.assetid 6ad759ba-4721-4d8f-9b26-de976d4fc1a0
author David-Engel
ms.author v-daenge

Step 6: Disconnect from the Data Source

The final step is to disconnect from the data source, as shown in the following illustration. First, the application frees any statement handles by calling SQLFreeHandle. For more information, see Freeing a Statement Handle.

Shows disconnecting from a data source

Next, the application disconnects from the data source with SQLDisconnect and frees the connection handle with SQLFreeHandle. For more information, see Disconnecting from a Data Source or Driver.

Finally, the application frees the environment handle with SQLFreeHandle and unloads the Driver Manager. For more information, see Allocating the Environment Handle.