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Step 6: Disconnect from the Data Source

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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.