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<title>GNUstep Database Library Introduction 0.1: 8. Database connection</title>

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<a name="Database-connection"></a>
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<a name="Database-connection-1"></a>
<h1 class="chapter">8. Database connection</h1>

<p>An example which connects to and then disconnects from the database.
provided you have already created the database in previous section
</p>
<table><tr><td>&nbsp;</td><td><pre class="example"><pre class="verbatim">#include &lt;Foundation/Foundation.h&gt;
#include &lt;EOAccess/EOAccess.h&gt;
#include &lt;EOControl/EOControl.h&gt;

int
main(int arcg, char *argv[], char **envp)
{
  NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
  EOModelGroup *modelGroup = [EOModelGroup defaultGroup];
  EOModel *model = [modelGroup modelNamed:@&quot;library&quot;];
  EOAdaptor *adaptor;
  EOAdaptorContext *context;
  EOAdaptorChannel *channel;

  /* Tools don't have resources so we have to add the model manually. */ 
  if (!model)
    {
      NSString *path = @&quot;./library.eomodel&quot;;
      model = [[EOModel alloc] initWithContentsOfFile: path];
      [modelGroup addModel:model];
      [model release];
    }
 
  adaptor = [EOAdaptor adaptorWithName:[model adaptorName]];
  context = [adaptor createAdaptorContext];
  channel = [context createAdaptorChannel];

  [channel openChannel];

  /* insert code here */

  [channel closeChannel];
  [pool release];
  return 0;
}

</pre></pre></td></tr></table>

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