Chapter 1 Upgrading to Release 5.12.0 This section explains how to upgrade from releases 5.8.x, 5.9.x, 5.10.x, 5.11.x to release 5.12.0. Topics • Typical Upgrade • Upgrade Overview • Compatibility • Upgrade Considerations and Steps • Files Changed When Upgrading to 5.12 • Configuring Vendor-supplied Database Drivers • Upgrade Issues