Viewing 15 posts - 9,091 through 9,105 (of 49,552 total)
I suggest you spend some time on google, there's lots and lots written on the subject. Also, probably Glenn Berry's hardware book.
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
May 12, 2014 at 4:51 am
*sigh* http://www.sqlservercentral.com/Forums/FindPost1569693.aspx
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
May 12, 2014 at 4:49 am
Grant Fritchey (5/12/2014)
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
May 12, 2014 at 4:34 am
Elliswhite (5/12/2014)
First step is to stop the SQL Services
Then change...
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
May 12, 2014 at 4:33 am
Those waits aren't about how the query is written. They occur when SQL has results that it is waiting to send to the client application.
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
May 11, 2014 at 8:55 am
It's not a case of which you do. If you have backups you'd almost always want to restore. There are scenarios however where you'd need to rebuild first to get...
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
May 11, 2014 at 8:54 am
ananda.murugesan (5/10/2014)
is it really get performance on different logical array in single Physical arrary controller?
Probably not.
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
May 10, 2014 at 10:44 am
Please note: 6 year old thread.
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
May 10, 2014 at 3:32 am
Please note: 2 year old thread.
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
May 10, 2014 at 3:31 am
You can put TempDB there, but it's an extremely bad idea. If TempDB grows unexpectedly, you could have the server crash because of lack of free space on C.
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
May 10, 2014 at 3:29 am
Please post new questions in a new thread. Thank you.
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
May 9, 2014 at 3:40 pm
How many rows in the table?
Can you post the execution plan (actual please) of that simple query with the inaccurate estimations?
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
May 9, 2014 at 3:39 pm
mkkb917 (5/9/2014)
ZoneSearch is a variable and it contain a zone name selected form the combo box itemshere it is "City"
So the resultant dynamic query will read:
SELECT IP_Addr FROM...
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
May 9, 2014 at 3:39 pm
I can't see any useful covering indexes for that query, so it's probably just a case of the indexes being insufficiently selective and not covering. Cheaper to scan the table...
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
May 9, 2014 at 3:33 pm
Did you read the articles I referenced?
Wrong way around, pages don't have indexes, indexes have pages.
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
May 9, 2014 at 3:29 pm
Viewing 15 posts - 9,091 through 9,105 (of 49,552 total)