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Introduction to Database Indexes
By Chris Smith | Published 02/15/2006 | Programming | Rating: ratingfullratingfullratingfullratingfullratingfull Unrated |
Conclusion

Well there you have it -- my introduction to database indexes. Hopefully you've learned something from this article and can apply what you've learned to your own databases.
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Article Series

This article is part 3 of a 4 part series. Other articles in this series are shown below:
  1. An Introduction to Databases
  2. An Introduction to Database Variable Types
  3. Introduction to Database Indexes
  4. Database Joins



21 Responses to "Introduction to Database Indexes"


 
Jim Rating: ratingfullratingfullratingfullratingemptyratingempty Unrated
said this on 17 Feb 2006 7:13:50 AM CDT
I think you need to be a bit more "the reader knows absolutly nothing" when describing the table joins. You lost me for a bit there. Perhaps a better step by step hand holding example would be better.

[ Editors note: Sure thing. I'll see what I can come up with for next month! If you're desperate for information and can't wait - drop me a line - chris at interspire dot com and I'll explain it further ]

 
khani Rating: ratingfullratingfullratingfullratingfullratingempty Unrated
said this on 14 May 2006 3:55:02 PM CDT
Good effort chris,
You 've described Indexes in a simple way.

 
VRS Rating: ratingfullratingfullratingfullratingfullratingfull Unrated
said this on 24 May 2006 1:32:17 PM CDT
Good article.Do include some explanation on clustered and non clustered indexes.

 
Vivek Rating: ratingfullratingfullratingfullratingfullratingempty Unrated
said this on 13 Jul 2006 3:25:24 AM CDT
Good article. Helped a lot in understading the basics of indexing. Thanks

 
Unknown Rating: ratingfullratingfullratingfullratingemptyratingempty Unrated
said this on 11 Oct 2006 8:43:39 PM CDT
Good article man. I really appretiate your effort.

 
Ayaz Rating: ratingfullratingfullratingfullratingfullratingempty Unrated
said this on 14 Nov 2006 9:22:37 AM CDT
Good article to understand indexes for a beginner.

 
Debiz Rating: ratingfullratingfullratingfullratingfullratingempty Unrated
said this on 27 Nov 2006 5:21:04 PM CDT
Very well written and simply explained for those looking for a basic overview

 
Nand Rating: ratingfullratingfullratingfullratingfullratingempty Unrated
said this on 14 Dec 2006 11:46:30 AM CDT
Good article, felt like walking over the bridge on a gorge. Can u pl. explain drawbacks of using index also.

[ Chris' note - The main drawback is that every insert, update or delete has to change the index as well. If you have a lot of indexes, that adds a lot of overhead to the operation. ]

 
Myo Rating: ratingfullratingfullratingfullratingfullratingfull Unrated
said this on 19 Dec 2006 11:56:49 PM CDT
Very easy to understand and gives examples with different
situations to demonstrate when and where we should use indexes and why.
Thanks man!

 
John Lowe Rating: ratingfullratingfullratingfullratingfullratingfull Unrated
said this on 14 Mar 2007 2:57:13 AM CDT
A quick a useful reminder to what idexes are all about, thanks.

 
Shravanti Rating: ratingfullratingfullratingfullratingfullratingfull Unrated
said this on 26 Jun 2007 3:11:31 AM CDT
Good Introduction to Indexes. It would also be valuable to have information on how do indexes work on OLAP side of a Data Warehouse.

 
Harsha Rating: ratingfullratingfullratingfullratingfullratingfull Unrated
said this on 13 Aug 2007 11:21:23 PM CDT
crisp tutorial.. good work

 
krish Rating: ratingfullratingfullratingfullratingfullratingempty Unrated
said this on 24 Sep 2007 2:44:36 AM CDT
Really very nice explanation

 
Alagesan Rating: ratingfullratingfullratingfullratingfullratingfull Unrated
said this on 10 Oct 2007 11:33:45 PM CDT
This is a great article to learn indexing for beginners I really appreciate your efforts and good will in explaining them in words here.Thanks!

 
Heather Rating: ratingfullratingfullratingfullratingfullratingfull Unrated
said this on 12 Oct 2007 8:23:17 AM CDT
This was a great explanation of indexes for me - I am self-taught when it comes to databases so the language in this tutorial was very easy for me to understand. Also, you used great examples to help explain your information. THANKS!

 
Jess Duckin Rating: ratingfullratingfullratingfullratingfullratingfull Unrated
said this on 28 Oct 2007 4:58:02 AM CDT
The explaination on the usage of indexing is very helpful

 
Mayur Rating: ratingfullratingfullratingfullratingfullratingfull Unrated
said this on 29 Oct 2007 1:56:28 PM CDT
Thank you very much, a really informative tutorial...for me it was a 100% match to what I was looking for. Thanks...

 
satish soni Rating: ratingfullratingfullratingfullratingfullratingempty Unrated
said this on 11 Jan 2008 7:17:56 AM CDT
Great article on indexes even oracle has not provided that much knowledge about indexes

 
Shweta Rating: ratingfullratingfullratingfullratingfullratingempty Unrated
said this on 11 Jan 2008 4:25:41 PM CDT
Good. Just the overview i needed.

 
Hemant Jirange Rating: ratingfullratingfullratingfullratingfullratingfull Unrated
said this on 17 Jan 2008 3:39:07 AM CDT
Great article...this is very simple to understand whole disadvantages about index...

 
ramesh Rating: ratingfullratingfullratingfullratingfullratingfull Unrated
said this on 18 Jan 2008 2:26:17 AM CDT
impossible....even wikipedi couldnt match your tutorial on this topic...thank uuuuuuuuuuuuuuu very much



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