Oracle Database Version Suffix

Ever wonder what the letter suffix means in the Oracle Database version numbers?

Starting Oracle 8, release 1 Oracle starting adding a single letter suffix to its DB versions

Oracle 8i
Oracle 9i
Oracle 10g
Oracle 11g
Oracle 12c

The i stood for internet, or Internet ready this version debuted in the late 90’s and matured in the early 2000’s

g stood for Grid architecture,

The current version has c – indicating the move towards a cloud ready database and platform. PDU’s is a major functionality enforcing this move.