<?php     $conn = oci_connect("scott", "tiger");     $stmt = oci_parse($conn, "SELECT * FROM emp");     oci_execute($stmt);
      echo "<table border=\"1\">";     echo "<tr>";     echo "<th>Name</th>";     echo "<th>Type</th>";     echo "<th>Length</th>";     echo "</tr>";
      $ncols = oci_num_fields($stmt);
      for ($i = 1; $i <= $ncols; $i++) {         $column_name  = oci_field_name($stmt, $i);         $column_type  = oci_field_type($stmt, $i);         $column_size  = oci_field_size($stmt, $i);
          echo "<tr>";         echo "<td>$column_name</td>";         echo "<td>$column_type</td>";         echo "<td>$column_size</td>";         echo "</tr>";     }
      echo "</table>\n";     oci_free_statement($stmt);     oci_close($conn); ?>
 
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