In oracle 10g or 11g, 'g' represents grid computing. Which enables clusters of low-cost, industry standard servers to be treated as a single unit.
BY
Er. Gurinder Singh
grams
G signifies "Grid Computing"... With the release of Oracle 10g in 2003, Oracle changed the suffix in their previous release version; from 9i to 10g... 'I' stands for Internet...this was done as a marketing effort in order to show Oracle's move towards Grid Computing... Purely a marketing strategy...
Oracle 11i Oracle 11i
G - Grid Technology I - Internet Applications
g stands for Grid. These versions introduced the use of grid computing techniques.
The oracle 11g certification is for those who plan to use and or teach oracle 11g programs. They must go through the training process in order to fully be able to teach it.
Oracle 11g R2
To migrate Oracle 9i to 11g, you can use the Database Upgrade Assistant (DBUA) or perform a manual upgrade. First, ensure that your Oracle 9i database is compatible with the 11g version by reviewing the Oracle documentation for any deprecated features. Create a backup of your database, then install Oracle 11g software and use the DBUA to guide you through the upgrade process, or manually upgrade by exporting the 9i database and importing it into the 11g environment. Finally, run necessary post-upgrade scripts and validate the migration.
Orable 11g is a database. There are new features for DBA's and Developers. A new feature would be simple_integer, a new data type said to be faster than pls_integer.
I want the latest featurea in oracle 12c
11g Release 2
r12