title: UUID as primary key (slow inserts)
body: <p>I am using a UUID (36-chars) as a primary key in a table.
  Since we hit about 150mio records the inserts become very slow (seems to be due to the PK index). </p>
  
  <p>Is there any way to improve that situation? Or do you guys have any idea?</p>
  
  <p>Details:</p>
  
  <ul>
  <li><p>Row length average of the 150 M rows. </p>
  
  <p>About 60 chars in total (10 columns, 8 are just IDs)   </p></li>
  <li><p>Definition of slow</p>
  
  <p>800-1000 rows per second</p></li>
  <li><p>After how many rows loaded and at which moment does it become slow.</p>
  
  <p>afaik first one</p></li>
  <li><p>How are you loading (SQL*Loader? SQL? Own code? Threads?)</p>
  
  <p>Informatica Powercenter</p></li>
  <li><p>Exact Oracle version (select * from v$version)</p>
  
  <p>Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production</p></li>
  </ul>