Viewing 15 posts - 15,796 through 15,810 (of 49,552 total)
angel.wong 72408 (11/5/2012)
In SQL 2012, I found out that it seems flush from memory very soon make it unable to use the cache data, results in slow to getting results.
Could...
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
November 5, 2012 at 8:28 pm
capnhector (11/5/2012)
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
November 5, 2012 at 12:45 pm
http://www.sqlservercentral.com/articles/Administration/75461/
http://www.sqlservercentral.com/articles/Recovery+models/89664/
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
November 5, 2012 at 12:42 pm
Don't regularly shrink your database. This is not MS Access that required a compact and shrink often. shrink is not compression. Free space in a SQL database is not harmful....
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
November 5, 2012 at 8:15 am
No.
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
November 4, 2012 at 5:20 pm
Honestly, I probably wouldn't bother in most cases, because of the second part of what I said.
and for SQL to be doing such large range scans of the table that...
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
November 4, 2012 at 11:52 am
Restore from a full database backup
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
November 3, 2012 at 2:16 am
Stueyd (11/2/2012)
I do find it hard to believe there's not a table size where it's actually beneficial not to bother (1 row even?).
Nevertheless, it is the case. A clustered...
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
November 3, 2012 at 2:13 am
Plan cache is part of the buffer pool, therefore constrained by max server memory.
No, not a memory leak (unless you have buggy linked server drivers). Combo of thread stacks, CLR...
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
November 3, 2012 at 2:11 am
Temp tables are automatically dropped as soon as they go out of scope (the proc that they were created in completes) or the connection that created them closes.
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
November 3, 2012 at 2:09 am
Not even with SET NOEXEC ON?
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
November 2, 2012 at 7:18 am
Stewart "Arturius" Campbell (11/2/2012)
Clustered indexes are best suited for those columns most frequently used in range-based searches.
I would tend to disagree with that, but that's just me.
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
November 2, 2012 at 7:15 am
Check your IO throughput.
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
November 2, 2012 at 7:13 am
qew420 (11/2/2012)
Still working on this issueI changed the min and max but no effect
Errr... please don't tell me you set min and max to the same value. Min isn't...
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
November 2, 2012 at 7:11 am
Stueyd (11/2/2012)
What's the tipping point where there's so few rows it's not worth it?
0.
Every table should have a clustered index unless you have a good reason otherwise (low row count...
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
November 2, 2012 at 7:07 am
Viewing 15 posts - 15,796 through 15,810 (of 49,552 total)