Oracle Takeover Approval Seen  SAN FRANCISCO (Reuters) - Oracle Corp. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=ORCL.O target=/stocks/quickinfo/fullquote"&gt;ORCL.O&lt;/A&gt; on Thursday  won the backing of a key public pension fund in its  \$8.8-billion takeover bid for PeopleSoft Inc. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=PSFT.O target=/stocks/quickinfo/fullquote"&gt;PSFT.O&lt;/A&gt; and  analysts said they expected a majority of shares to be tendered  its way ahead of a Friday deadline.