The October 2009 Critical Patch Update (CPU) was released earlier this week. Applying security patches is the foundation of Database Security as per Noel Yuhanna's Database Security Strategy report. But a lot of customers struggle with applying the quarterly CPU because of 7x24 operational requirements which prevent them from bringing their database down for more than an hour once or twice a year. So how do you apply security patches while still keeping your database running? Watch this...