The company logo is shown at the headquarters of Oracle Corporation in Redwood City, California February 2, 2010. Picture taken February 2, 2010. Credit: Reuters/Robert Galbraith By Gerry Shih SAN FRANCISCO | Tue Jul 10, 2012 7:54pm EDT (Reuters) - Oracle Corp said Tuesday it had acquired social marketing firm Involver, notching the third deal in as many months in a red-hot area for enterprise software makers. Terms of the deal were not disclosed. San Francisco-based Involver, founded in 2007, provides tools for developers to create advertising campaigns on social media…