Wednesday, October 24, 2007

wanted: family tree of database products

Boning up on Hibernate and JPA, makes me think about the history of relational databases.

Facts like these can be gleaned from sources such as Wikipedia:

Ingres begat Postgres.

Sybase was originally a clone of Ingres.

MS-SQL server came from Sybase.

Oracle may have initially been a clone of IBM System R.

Informix came out of nowhere.

What I'd like to find is a nice genealogical chart of all this stuff, like the unix timeline, or the computer languages history.