20bits - Latest Comments in Interview Questions: Database Indexes | 20bits

Re: Interview Questions: Database Indexes | 20bits

buy_search_engine — Tue, 30 Jun 2009 21:49:04 -0000

Yes, the indexing make the alteration is too costly, sometimes i would prefer add a new rows first and deleted the old one, it makes the altering quicker.

Re: Interview Questions: Database Indexes | 20bits

ahmed — Sun, 21 Jun 2009 09:48:59 -0000

thanks what about dense and nondense index

Re: Interview Questions: Database Indexes | 20bits

Duc Anh — Fri, 17 Apr 2009 23:02:46 -0000

Thanks so much

Re: Interview Questions: Database Indexes | 20bits

boss — Mon, 06 Apr 2009 12:45:47 -0000

loved it

Re: Interview Questions: Database Indexes | 20bits

mosaad shouman — Mon, 29 Dec 2008 16:36:28 -0000

thanks

Re: Interview Questions: Database Indexes | 20bits

Catrope — Thu, 18 Dec 2008 18:09:39 -0000

The DBMS doesn't decide that, the user does when creating the table (or later).

Re: Interview Questions: Database Indexes | 20bits

Eli — Sat, 22 Nov 2008 10:30:23 -0000

I really liked this entry, thanks for posting it.
How does a DB system decide when create a certain index ? Does it happen the first time some search is executed ?

Re: Interview Questions: Database Indexes | 20bits

Nataraj M Basappa — Wed, 05 Nov 2008 07:35:54 -0000

Best explanation, very helpful thank

Re: Interview Questions: Database Indexes | 20bits

Nguyen Pham — Thu, 23 Oct 2008 04:24:02 -0000

Great entry. Thank you!

Re: Interview Questions: Database Indexes | 20bits

Eugene — Mon, 20 Oct 2008 12:12:57 -0000

Thank you for the definition, and explanation. I liked the explanation about the b-tree, an example with the right branch is very helpful. Now i know indexes : ))). Thanks.

Re: Interview Questions: Database Indexes | 20bits

getachew — Fri, 22 Aug 2008 11:03:49 -0000

it is very good for giving insight about indexes but i wish if you extend the definition thank u

Re: Interview Questions: Database Indexes | 20bits

Arun C — Tue, 29 Jul 2008 11:29:45 -0000

Great answers. Very helpful!