{"id":901,"date":"2008-10-10T03:26:11","date_gmt":"2008-10-10T07:26:11","guid":{"rendered":"http:\/\/onlineappsdba.com\/index.php\/2008\/10\/10\/upgrade-overview-for-oracle-database-to-11g-release-1-111\/"},"modified":"2008-10-10T03:26:11","modified_gmt":"2008-10-10T07:26:11","slug":"upgrade-overview-for-oracle-database-to-11g-release-1-111","status":"publish","type":"post","link":"https:\/\/onlineappsdba.com\/index.php\/2008\/10\/10\/upgrade-overview-for-oracle-database-to-11g-release-1-111\/","title":{"rendered":"Upgrade overview for Oracle Database to 11g Release 1 (11.1)"},"content":{"rendered":"

Steps mentioned in this post is\u00a0overview of\u00a0Oracle database upgrade from 8i, 9i or 10g to 11g Rel 1<\/strong> i.e. 11.1.X.X.X (Step by step Oracle 10g upgrade to 11g including pointer to documentation\u00a0coming soon…<\/font>)<\/p>\n

<\/u><\/strong><\/p>\n

Things good to know for 11g Database Upgrade<\/u><\/strong><\/p>\n

1.<\/strong> Oracle 11g Database software must<\/strong> be installed in new ORACLE_HOME<\/strong>
\n
\n2.<\/strong> If you are installing 64-bit<\/strong> Oracle 11g database software but were previously using 32-bit<\/strong> Oracle Database installation, then database is automatically converted to 64-bit during upgrade or patch release process.<\/p>\n

3.<\/strong> Rolling upgrade<\/strong> is process of upgrading database with minimal or no downtime using
\ni) Oracle Dataguard<\/strong> and Logical Standby Database
\nii) Oracle Streams <\/strong>
\niii) ASM <\/strong>rolling upgrades (available from 11.1 and higher)<\/p>\n

4.<\/strong>For some database version direct upgrade to 11g is\u00a0NOT<\/strong> supported<\/p>\n

7.3.3 (or lower) -> 7.3.4 -> 9.2.0.8 -> 11.1
\n8.0.5 (or lower) -> 8.0.6 -> 9.2.0.8 -> 11.1
\n8.1.7 (or lower) -> 8.1.7.4 -> 9.2.0.8 -> 11.1
\n9.0.1.3 (or lower) -> 9.0.1.4 -> 9.2.0.8 -> 11.1
\n9.2.0.3 (or lower) -> 9.2.0.8 -> 11.1<\/p>\n


\n5.<\/strong> Direct upgrade to 11g is supported from following version<\/p>\n

9.2.0.4 and higher -> 11.1
\n10.1.0.2 and higher -> 11.1
\n10.2.0.1 and higher -> 11.1<\/p>\n

6.<\/strong> If you are using Oracle Streams<\/strong> for replication process and capture process<\/strong> runs on a database other than the Source database<\/strong> (Downstream capture), then first upgrade database where capture process is running.<\/p>\n

.<\/p>\n

.
\nTools and methods to upgrade database<\/u><\/strong><\/p>\n

1.<\/strong> DBUA <\/strong>(DataBase Upgrade Assistant) Utility – GUI
\n2.<\/strong> Manual Upgrade<\/strong>using SQL scripts and Utilities – Command line tool (catupgrd.sql..)
\n3.<\/strong> Export\/Import Utility<\/strong>– (Datapump or Export\/Import) – Not supported for 11i or R12 database upgrade<\/p>\n

.<\/p>\n

Top level steps for Oracle Database 11g upgarde<\/u><\/strong><\/p>\n

1.<\/strong> Prepare Upgrade to 11g Database<\/strong>
\n1.1<\/strong> Backup existing database software and database
\n1.2<\/strong>Analyze the database using Pre-Upgrade Information Tool
\n1.3<\/strong> Install Oracle 11g software in new ORACLE_HOME
\n1.4<\/strong>Run Pre-upgrade information tool (11G_OH\/rdbms\/admin\/utlu111.sql) check output and modify
\n\u00a0<\/p>\n

2. Upgrade Database<\/strong>
\n2.2<\/strong> Upgrade database to 11g<\/p>\n

3. Post Upgrade steps
\n3.1<\/strong> Backup upgraded database to 11g<\/p>\n

More on upgrade to Oracle Database 11g, documentation and new features in\u00a011g coming soon …<\/p>\n","protected":false},"excerpt":{"rendered":"

Steps mentioned in this post is\u00a0overview of\u00a0Oracle database upgrade from 8i, 9i or 10g to 11g Rel 1 i.e. 11.1.X.X.X […]<\/p>\n","protected":false},"author":115,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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