This chapter contains the following sections: Section 2.1, "Compatibility, Upgrading, Downgrading, and Installation" Section 2.2, "Features Not Available or Restricted in This Release of Oracle Database 18.104.22.168" Section 2.3, "Deprecated and Desupported Features for Oracle Database" Section 2.4, "Data Analytics Accelerators on SPARC for Oracle Database Overview" Section 2.5, "Database Security" Section 2.6, "Multitenant Container Database" Section 2.7, "Application Continuity" Section 2.8, "Oracle Application Express" Section 2.9, "Oracle Automatic Storage Management (Oracle ASM)" Section 2.10, "Oracle Database Vault" Section 2.11, "Oracle Enterprise Manager Database Express (EM Express)" Section 2.12, "Oracle Grid Infrastructure for a Cluster" Section 2.13, "Oracle Multimedia" Section 2.14, "Oracle ODBC Driver" Section 2.15, "Oracle SQL Developer" Section 2.16, "Oracle Spatial and Graph" Section 2.17, "Oracle Text" Section 2.18, "Oracle XML DB" Section 2.19, "Pro*C" Section 2.20, "Pro*COBOL" Section 2.21, "SQL*Plus" Section 2.22, "Open Bugs" directories or their files while Oracle software is running.
If you remove these files, then Oracle software can encounter intermittent hangs.
Prior to running the upgrade, download the latest 22.214.171.124 pre-upgrade tool in MOS Note 884522.1 from My Oracle Support (MOS) at As part of release 126.96.36.199, versioning of data types that could be attributes of Oracle object types have been introduced.
Because of this feature, cross-version replication between release 188.8.131.52 and release 184.108.40.206 databases might be affected resulting in the upgrade, the node list of the Grid home in inventory is not in sync with the actual Oracle Grid Infrastructure deployment. Because the node list in inventory is incorrect, the next upgrade or node addition, and any other Oracle Grid Infrastructure deployment, fails.
Changes in behavior include deprecated and desupported initialization parameters, options, syntax, and the deprecation and desupport of features and components.
For more information, see the SQLJ usage inside the database server is deprecated in this release.
The result of this equijoin depends on collation which can change on a session by session basis, giving an incorrect result in the case of query rewrite or an inconsistent materialized view after a refresh operation.
Expressions generate internal conversion to character data in the select list of a materialized view, or inside an aggregate of a materialized aggregate view.A comprehensive list of defect corrections for major releases, refresh packs and fix packs of Cognos Business Intelligence 10.2.1.Details of the APARs listed below can be accessed by clicking the link for the APAR number.This restriction does not apply to expressions that involve only numeric data.For example, Release 1 (12.1) introduces behavior changes for your database in addition to new features.SQL Compact (free) or SQL Express (free) or SQL server 2000 or higher.