Comments on: SQL SERVER – Get Information of Index of Tables and Indexed Columns http://blog.sqlauthority.com/2007/12/18/sql-server-get-information-of-index-of-tables-and-indexed-columns/ Notes of a SQL Server MVP and Database Administrator Sat, 21 Nov 2009 05:54:09 +0000 http://wordpress.com/ hourly 1 By: Anima003 http://blog.sqlauthority.com/2007/12/18/sql-server-get-information-of-index-of-tables-and-indexed-columns/#comment-40894 Anima003 Mon, 28 Jul 2008 09:30:14 +0000 http://blog.sqlauthority.com/2007/12/18/sql-server-get-information-of-index-of-tables-and-indexed-columns/#comment-40894 Really useful!!! Thx!!! Really useful!!!
Thx!!!

]]> By: abhishek http://blog.sqlauthority.com/2007/12/18/sql-server-get-information-of-index-of-tables-and-indexed-columns/#comment-31919 abhishek Wed, 09 Jan 2008 11:16:45 +0000 http://blog.sqlauthority.com/2007/12/18/sql-server-get-information-of-index-of-tables-and-indexed-columns/#comment-31919 Table: TableA Columns: Column1 Column2 Column3 Column4 Indexes Column1 – Simple individual Index Column2 – Simple individual Index Query 1. SELECT * FROM TABLEA WHERE COLUMN1=’A’ AND COLUMN2=’B’ 2. SELECT * FROM TABLEA WHERE COLUMN2=’B’ AND COLUMN1=’A’ 3. SELECT * FROM TABLEA WHERE COLUMN1=’A’ AND COLUMN3=’B’ 4. SELECT * FROM TABLEA WHERE COLUMN2=’A’ AND COLUMN4=’B’ could you pleasetell me which indexes use in case (queries.) or both are equally important.? is the other individual index useless and should be deleted? Table:

TableA

Columns:

Column1

Column2

Column3

Column4

Indexes

Column1 – Simple individual Index

Column2 – Simple individual Index

Query

1. SELECT * FROM TABLEA WHERE COLUMN1=’A’ AND COLUMN2=’B’

2. SELECT * FROM TABLEA WHERE COLUMN2=’B’ AND COLUMN1=’A’

3. SELECT * FROM TABLEA WHERE COLUMN1=’A’ AND COLUMN3=’B’

4. SELECT * FROM TABLEA WHERE COLUMN2=’A’ AND COLUMN4=’B’

could you pleasetell me which indexes use in case (queries.)
or both are equally important.?

is the other individual index useless and should be deleted?

]]> By: Mohammad Hameed http://blog.sqlauthority.com/2007/12/18/sql-server-get-information-of-index-of-tables-and-indexed-columns/#comment-27406 Mohammad Hameed Thu, 20 Dec 2007 14:53:19 +0000 http://blog.sqlauthority.com/2007/12/18/sql-server-get-information-of-index-of-tables-and-indexed-columns/#comment-27406 Hi, Sorry, I should have checked other articles before posting my question. Thanks again Mohammad Hi,

Sorry, I should have checked other articles before posting my question.

Thanks again

Mohammad

]]> By: Mohammad Hameed http://blog.sqlauthority.com/2007/12/18/sql-server-get-information-of-index-of-tables-and-indexed-columns/#comment-27397 Mohammad Hameed Thu, 20 Dec 2007 14:32:45 +0000 http://blog.sqlauthority.com/2007/12/18/sql-server-get-information-of-index-of-tables-and-indexed-columns/#comment-27397 Hi, Yes these king of small tips are helpful. I have a question of my own though it has to do with system tables containing information about user defined tables. If I want to find the number of columns in a user defined table, can i do it with a simple select statement, or do i have to manually go in each table and count it? I hope you will answer this question at the earliest possible Regards Mohammad Hi,

Yes these king of small tips are helpful. I have a question of my own though it has to do with system tables containing information about user defined tables.

If I want to find the number of columns in a user defined table, can i do it with a simple select statement, or do i have to manually go in each table and count it?

I hope you will answer this question at the earliest possible

Regards

Mohammad

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