Re: v$bh.class#

I think Ixora website had the list with 9i stuff in it, but you also can get some of the class definitions out by checking gv$waitstat's source:

select inst_id,decode(indx,1,'data block',2,'sort block',3,'save undo block', 4,'segment header',5,'save undo
 header',6,'free list',7,'extent map', 8,'1st level bmb',9,'2nd level bmb',10,'3rd level bmb', 11,'bitmap blo
ck',12,'bitmap index block',13,'file header block',14,'unused', 15,'system undo header',16,'system undo block
', 17,'undo header',18,'undo block'), count,time from x$kcbwait where indx!=0

Tanel.

• Original Message ----- To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com> Sent: Wednesday, November 19, 2003 12:14 AM

> In constructing my last answer, I looked at v$bh and the class#
> column (thinking that perhaps indexes or index headers had their
> own class). I came across several different values for the
> class# from 0 to 36 (not inclusive). Oracle's doc does not clear
> it up and Steve Adam's book's information does not match up to a
> 9i db. Before I head down the path of figuring this out on my
> own, anyone have a listing for the class# in 9i?
>
> Daniel Fink
>
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Author: Tanel Poder
  INET: tanel.poder.003_at_mail.ee

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