By | May 23 2012 4:02 PM

Oracle Corp. (Nasdaq: ORCL), the No. 1 database company, said Wednesday it would acquire private cloud media marketer Vitrue for an undisclosed sum a day after German rival SAP (NYSE: SA), Europe's No. 1 software company, offered to acquire e-commerce specialist Ariba Inc. (Nasdaq: ARBA) for $4.3 billion.