SACRAMENTO, Calif., April 17 — A potentially illegal deal between Oracle Corp. (NASDAQ:ORCL) and California could cost taxpayers tens of millions of dollars for software that few state employees need or want, the state auditor said Wednesday. In a highly critical review, a state audit questioned why officials in three state agencies went ahead with the $122.6 million no-bid deal last May when a survey indicated few state workers had interest in using the database software. "We didn't know if there was a need and we committed millions of dollars to this contract," said State Auditor Elaine Howle told Reuters....