title: Linq2DB Nlog or logging
body: <p>is there a way to log all linq2DB sql queries that are made to he database with NLog?</p>
  
  <p>I cannot find any realistic example. There is something for miniprofiler, but this doesn't help me, because I have not experience with it.</p>
  
  <p><a href="https://github.com/linq2db/linq2db/issues/63" rel="noreferrer">pull request</a> </p>
  
  <p><a href="https://gist.github.com/anonymous/9460950" rel="noreferrer">example</a></p>
  
  <p><a href="https://github.com/ServiceStack/ServiceStack/blob/master/src/ServiceStack/MiniProfiler/MiniProfiler.IDbProfiler.cs" rel="noreferrer">example 2</a></p>