Re: Bitmap index costing - how to influence
Date: Mon, 30 Mar 2009 09:37:13 -0700 (PDT)
If "documented" does not strictly mean "in official documentation", Note:377333.1, last modified in 2006, serves as proof it's documented. The note does not have warning about any harmful side effect.
Also pay attention to the bottom of the note: "Bug 5160959 - THE HINT OPT_PARAM SHOULD BE DOCUMENTED"
> The opt_param hint is documented, albeit only in the Oracle 11i SQL
> Reference Manual even though it is also available in 10g (R2 at
> least, haven't tried it in 10.1.x ):