Some Oracle database version release questions
I have a few Oracle database version release questions, I'm hoping someone can help me with:
1. How often are Patchsets released ex: 11.2.0.3 , 11.2.0.4, etc?
2. How often are Oracle major versions release ex 11g, 12c, etc?
3. How long after the major version release is the major .2 released, ex 11gR1, 11gR2.
Thanks,
--Justin