title: How to use the optimizer_search_depth in mysql?
body: <p>Guys I've googled everyting on examples on how to use this feature in mysql. But no luck.</p>
  
  <p>Can i use it like this? </p>
  
  <pre><code>select optimizer_search_depth = 7 from some table
  </code></pre>
  
  <p>Please give me example. </p>