Oracle could become a significant partner of one of the most important AI companies on the scene.On Tuesday, database king Oracle (ORCL 2.59%), hardly for the first time, was an outperformer on the stock market. The company's shares ticked nearly 3% higher on the day, thanks to a report of a potentially major tie-up in the artificial intelligence (AI) field with a top tech sector peer. That rise topped the nearly 1% gain of the S&P 500 index on the day. OpenAI and Oracle apparently in discussions for AI har ...