Banks are preparing to launch a $38 billion debt offering as soon as Monday that will help fund data centers tied to Oracle Corp. in what would be the largest such deal for artificial intelligence infrastructure to come to market, according to people with knowledge of the matter.JPMorgan Chase & Co. and Mitsubishi UFJ Financial Group are among banks leading the deal, which is split across two separate senior secured credit facilities, said the people, who asked not to be identified when discussi...