Larry Ellison, ranked 12th on the Forbes 500 list with a net worth of $25 billion, has bagged a $3 million tax break after arguing that his flamboyant Japanese-style estate in Woodside is functionally obsolete. The chief executive officer of software giant Oracle Corp. will be paid from San Mateo County property taxes collected this year, which otherwise would have gone to schools, the county general fund and cities, among other things, Deputy Controller Kanchan Charan said. The hit to schools alone will be nearly $1.4 million. Ellison's Octopus Holdings LP acquired the 23-acre site in May 1995 for $12...