title: how to enable/disable index in SYBASE 15.7
body: <p>I want to enable/disable index in SYBASE 15.7. Do you know the syntax for this?    </p>
  
  <p>I tried this:   </p>
  
  <pre><code>    --line to disable index  
  
          alter table table name disable index index_name  
          go  
  </code></pre>