How to set index to tables?

Hi,
My database is having more than 50000 tables, I would like to set index to all my tables, please suggest me how to set index to 50000 tables...?
Thanks
Giri

user10737570 wrote:
Hi,
My DB version 10.2.0.3.0 running on IBM-AIX....Thanks for it
As is said earlier my DB consist of 50k tables.
Each table consist of millions of rows.
So, while I try to access some rows, It takes more time (especially while running long query)
Now I decided to set index to the tables by giving
create index fbind on fdtab(owner);
so that an index has been created with taking nearly 5 hours.
so there are thousands of tables left to set the index.....Its an utterly bad idea to create indexes assuming that their presence will make the queries faster. The data selection, predicates, conditions, statistics of the tables, good/bad sql and lastly, optimizer issues, they all play a very important role in the performance. Just assuming that with index creation , your queries will be faster, I don't think its a reasonable thought to have. You have got a lot of tables as per your saying , it would take huge resource and time to create indexes on all of the tables. In addition to this issue, not all the tables would be requiring the similar type of indexes as well. Some may require B-tree while others may rquire Bitmap. Also , you must note that indexes will make dmls more slower. So Ishall again suggest that you benchmark the creation of indexes with a little more care.
HTH
Aman....

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