SAN FRANCISCO/SEATTLE: Larry Ellison, co-founder and leader of Oracle Corp for 37 years, stepped aside as chief executive officer on Thursday, to be replaced by co-CEOs Safra Catz and Mark Hurd, raising questions about a job-sharing arrangement that has had a fraught record elsewhere. Ellison and the two new co-CEOs each stressed that nothing would change under the new management structure, with Ellison staying on as executive chairman and chief […]