Oracle's Earnings Just Top Expectations SAN FRANCISCO - Business software maker Oracle Corp.'s quarterly earnings exceeded analyst expectations, overcoming sluggish sales in a product line that the company hopes to bolster by completing a long-sought takeover of rival PeopleSoft Inc.    The Redwood Shores-based company said Tuesday it earned \$509 million, or 10 cents per share, during the three months ended in August, a 16 percent improvement from \$440 million, or 8 cents per share, at the same time last year...