Viewing 15 posts - 39,991 through 40,005 (of 49,552 total)
Thang.Nguyen10 (4/3/2009)
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
April 3, 2009 at 1:25 pm
In 99% of cases, corruption (especially recurring corruption) is a result of a problem with the IO subsystem. It may be faulty drivers, it may be faulty SAN controllers, it...
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
April 3, 2009 at 12:40 pm
J-F Bergeron (4/3/2009)
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
April 3, 2009 at 12:28 pm
Gaby Abed (4/3/2009)
BTW, Congrats Gail on your new MVP status.
Thanks, but it's not particularly new. I was awarded last year July. (http://www.sqlservercentral.com/articles/SQLServerCentral/63590/)
Grant's the new kid on the block this month...
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
April 3, 2009 at 12:27 pm
Christopher Stobbs (4/3/2009)
WHERE
/*
isnull(FIRSTNAME,'') like '%%'
AND isnull(MIDDLEINITIAL,'') like '%%'
AND isnull(LASTNAME,'') like '%%'
AND isnull(EMAIL,'') like '%%'
*/
This can't be removed, at least until we know why it's there in...
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
April 3, 2009 at 11:25 am
josephptran2002 (4/3/2009)
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
April 3, 2009 at 8:59 am
Strange. No stack dumps? (.mdmp files in the SQL log directory)
What happens if you run a full checkDB rather than the individual check tables?
DBCC CHECKDB (< Database Name > )...
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
April 3, 2009 at 8:57 am
josephptran2002 (4/3/2009)
Some people in here, they are here to show off and intimidate new developer. Not try to help them out and misguide others to different issues.
Want to name...
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
April 3, 2009 at 8:56 am
Looking at the nicely cleaned up version posted by Chris (Thanks Doc) part of your problem is fairly easily apparent.
You have a cross join in there. The users and the...
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
April 3, 2009 at 8:22 am
What changed 4 days ago? This kind of thing doesn't just happen, something changed.
What you're probably going to have to do is find the worst performing queries and tune them....
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
April 3, 2009 at 7:45 am
Is it blocked by some other process?
Can you post table definitions, index definitions, aprox row counts and the execution plan, saved as a .sqlplan file, zipped and attached?
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
April 3, 2009 at 7:42 am
Chris Morris (4/3/2009)
No need, Barry - somehow in my misspent youth I managed to "satisfy the requirements" for a PhD. GF bullies me to use the title.
So we need to...
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
April 3, 2009 at 7:38 am
josephptran2002 (4/3/2009)
But I don't know how to post the table with sample data in this forum. That why I am asking you to show me how?
I just showed 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
April 3, 2009 at 7:36 am
I don't understand what you're struggling with.
To post a sample table, paste the CREATE table statement into the edit window, like this:
CREATE TABLE [dbo].[LargeTable](
[ID] [int] NULL,
[SomeString] [char](6) NULL,
[RandomDate] [datetime] NULL,
[Big]...
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
April 3, 2009 at 3:12 am
Sleeping just means not currently running queries. While you can kill them, doing so may well cause problems for the applications if the assume that the connection will remain open.
Why...
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
April 3, 2009 at 2:54 am
Viewing 15 posts - 39,991 through 40,005 (of 49,552 total)