hi all,
I got this application , they are not using any packages ,triggers or
procedure. And there are lots of statements number of parsing = number of
execute. Is there any way you can pinned the sql statsments into sga, beside
increasing the sga size.
buffer holder.
I ran this statements
select decode(state,0, 'FREE',
1,decode(lrba_seq,0,'AVAILABLE','BEING USED'),
3, 'BEING USED', state) "BLOCK STATUS",
count(*)
from x$bh
group by decode(state,0,'FREE',1,decode(lrba_seq,0,'AVAILABLE',
'BEING USED'),3, 'BEING USED', state)
and got the following result.
BLOCK STATUS COUNT(*)
---------------------------------------- ----------
AVAILABLE 5889
BEING USED 299
FREE 13012
Just for the purpose of testing it, I alter a table which has about 500
blocks to be cached and select * from that table.
execute the above statements againg I got the same result. Where I expected
to have 500 blocks lesser in free block. What have done wrong here?
Thanks And Regards
Chark Sairlao
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Author: Sairlao, Chark
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