How to create id with AUTO_INCREMENT on Oracle?

Question

It appears that there is no concept of AUTO_INCREMENT in Oracle, up until and including version 11g.

How can I create a column that behaves like auto increment in Or

Answer 1

oracle has sequences AND identity columns in 12c

http://www.oracle-base.com/articles/12c/identity-columns-in-oracle-12cr1.php#identity-columns

I found this but not sure what rdb 7 is http://www.oracle.com/technetwork/products/rdb/0307-identity-columns-128126.pdf