optimism = O = Orange Book
The all-knowing, all-wise Internet Oracle rec.humor.oracle, or one of the foreign language derivatives of same. Newbies frequently confuse the Oracle with Oracle, a database vendor. As a result, the unmoderated rec.humor.oracle.d is frequently cross-posted to by the clueless, looking for advice on SQL. As more than one person has said in similar situations, "Don't people bother to look at the newsgroup description line anymore?" (To which the standard response is, "Did people ever read it in the first place?")
--The Jargon File version 4.3.1, ed. ESR, this entry manually entered by rootbeer277.