Home Database Oracle Oracle Database Release 21 Oracle Database 21c Install and Upgrade Database Licensing Information User Manual HTML PDF Describes Oracle Database licensing. If you have a question about your licensing needs, contact your Oracle sales representative. Database Release Notes HTML PDF Contains information about new features, changes, unsupported products, preinstallation requirements, generic and platform-specific bug fixes, and known issues that are not included in the Oracle Database Documentation Library. Oracle Database Upgrade Guide HTML PDF Guides you through the process of planning and performing upgrades for Oracle Database. This book also provides information about compatibility, upgrading applications, and changes in the new release that affect upgrading Oracle Database. Database Client Installation Guide for Linux HTML PDF Describes how to install and configure Oracle Database client on Linux. Database Installation Guide for Linux HTML PDF Provides configuration information for network and system administrators, and database installation information for database administrators (DBAs) who install and configure Oracle Database and Oracle Grid Infrastructure for a standalone server on Linux. Grid Infrastructure Installation and Upgrade Guide for Linux HTML PDF Describes how to install and upgrade grid infrastructure for a cluster software, which includes Oracle Clusterware and Oracle Automatic Storage Management (Oracle ASM), on systems running Linux. Real Application Clusters Installation Guide for Linux and UNIX HTML PDF Describes how to install and configure Oracle Real Application Clusters (Oracle RAC) on systems running Linux and UNIX. Database Examples Installation Guide HTML PDF Describes how to install and configure the products available on the Oracle Database Examples installation media. Fleet Patching and Provisioning Administrator's Guide HTML PDF This guide describes Oracle Fleet Patching and Provisioning, a software lifecycle management method for provisioning and maintaining Oracle homes. Upgrading Oracle Restart for Linux and Unix-Based Operating Systems HTML PDF Describes how to upgrade, patch, and downgrade Oracle Grid Infrastructure for a Standalone Server (Oracle Restart) on systems running Linux and UNIX.