What is diff between gather stats and compute stats

[paragp1981]

Hi,
i am asking basic question.
What is the diff between gather statistics and compute statistics

if we use dbms_stats. GATHER_TABLE_STATS or gather_index_stats
and
if we use analyze table compute stats or index compute stats.
. What will be the difference.

which one is more usefull or it depends on any perticular situation.

[hrishy]

Hi

DBMS_STATS is the preferred method from 9i onwards for stats collection.compute stats is there for backward compatability.

DBMS_STATS allows you to collect stats in parallel .

regards
Hrishy

[paragp1981]

Hrishy,
Do you mean to say analyze table compute stats and
dbms_stats.gather stats are almost same just they are
from different version. Even if you use any of them there
isnt much diff in final result. But better to use
dbms_stats.gather_stat looking forward to new versions.
correct me if i am wrong

Rgds
Parag

[davey23uk]

they are not the same, dbms_stats collects more information.

compute is an option for both

use dbms_stats