title: Error: package 'DBI' required by 'AnnotationDbi' could not be found in R(v 2.7.0)
body: <p>I install old version of R (windows version <code>2.7.0</code>).</p>
  <p>For using bioconductor in R, use <code>source(&quot;http://bioconductor.org/getBioC.R&quot;)</code></p>
  <pre><code>biocLite(&quot;GO.db&quot;)
  library(&quot;GO.db&quot;)
  </code></pre>
  <p>When I load GO.db, it gives error:</p>
  <blockquote>
  <p>Loading required package: AnnotationDbi</p>
  <p>Error: package 'DBI' required by 'AnnotationDbi' could not be found</p>
  </blockquote>
  <p>How can I solve this problem? Please Help.</p>