Upgrading to the next version of Oracle

In addition to deprecating one or more features that directly affect the upgrade process, this release includes deprecations for a range of Oracle Database features and respective replacements for those features.

1. The catupgrd.sql upgrade script is deprecated in Oracle Database 12c. The Parallel Upgrade Utility, catctl.pl replaces catupgrd.sql. See "Deprecation of catupgrd.sql Script and Introduction of New catctl.pl Utility" on page 8-2 for more details.
2. Changes and deprecations that affect the behavior of Oracle Database after upgrading to the new Oracle Database 12c release .
3. Changes and deprecations that affect the behavior of earlier releases are described in Appendix A, "Changes for Earlier Releases of Oracle Database."

Oracle Database 12c introduces behavior changes for your database in addition to new features. Changes in behavior include deprecated and desupported initialization parameters, options, syntax, and the deprecation and desupport of features and components. This module does not describe new features introduced in Oracle Database 12c, nor does it describe changes in earlier releases of Oracle Database. This module describes behavior changes where features have been deprecated or desupported in this release. By deprecate, we mean that the feature is no longer being enhanced but is still supported for the full life of the 12.1 release. By desupported, we mean that Oracle will no longer fix bugs related to that feature and may remove the code altogether. Where indicated, a deprecated feature may be desupported in a future major release. For more information about support considerations, refer to My Oracle Support at http://support.oracle.com. This module contains the following topics:
The simulation was started at the screen that popped up when you placed the installation CD-ROM into your machine. You chose the Install Products button. You followed through all the installation screens by answering questions, making selections, and clicking the Next button to continue the process. Many of the screens contained valid default information. You also specified the following information: