Viewing 15 posts - 2,776 through 2,790 (of 22,227 total)
"The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood"
- Theodore Roosevelt
Author of:
SQL Server Execution Plans
SQL Server Query Performance Tuning
January 24, 2019 at 6:21 am
Without access to the servers to really drill down on this, it sounds like differences in the optimizer between 2008 and 2012. Every time you upgrade some queries are going...
"The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood"
- Theodore Roosevelt
Author of:
SQL Server Execution Plans
SQL Server Query Performance Tuning
January 24, 2019 at 6:18 am
A query without any kind of filtering such as this is frequently only helped by upgrading hardware. Yes, possibly indexing differently could help... maybe (can't see the execution plan, so...
"The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood"
- Theodore Roosevelt
Author of:
SQL Server Execution Plans
SQL Server Query Performance Tuning
January 24, 2019 at 6:12 am
Back in, I think, 2005, the recompilation behavior changed from procedures to statements. It's a GREAT thing that this happened. Now, instead of any little thing leading to 2, 10,...
"The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood"
- Theodore Roosevelt
Author of:
SQL Server Execution Plans
SQL Server Query Performance Tuning
January 24, 2019 at 6:05 am
Based on the information, nothing but guesses. Differences in parameter values between your test and the actual. Differences in data between your testing and the actual. Differences somewhere are what...
"The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood"
- Theodore Roosevelt
Author of:
SQL Server Execution Plans
SQL Server Query Performance Tuning
January 24, 2019 at 6:00 am
I don't have a clue. Sorry. I'd suggest reporting this to Microsoft as a bug. The main clue that it may be a bug is that a restored database on...
"The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood"
- Theodore Roosevelt
Author of:
SQL Server Execution Plans
SQL Server Query Performance Tuning
January 24, 2019 at 5:57 am
Oh, there's a DBCC command to force simulation. Do an internet search. It's out there.
"The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood"
- Theodore Roosevelt
Author of:
SQL Server Execution Plans
SQL Server Query Performance Tuning
January 24, 2019 at 5:55 am
Without at least the definition of what events you're capturing, filters, actions, it's hard to say. Post the T-SQL.
If you are trying to capture correlated information like this,...
"The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood"
- Theodore Roosevelt
Author of:
SQL Server Execution Plans
SQL Server Query Performance Tuning
January 24, 2019 at 5:54 am
There is an order in which things are executed. It'll help interpret any query you're having problems with.
FROM
WHERE
GROUP BY
HAVING
SELECT
ORDER BY
There's a break...
"The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood"
- Theodore Roosevelt
Author of:
SQL Server Execution Plans
SQL Server Query Performance Tuning
January 24, 2019 at 5:52 am
"The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood"
- Theodore Roosevelt
Author of:
SQL Server Execution Plans
SQL Server Query Performance Tuning
January 23, 2019 at 9:50 am
"The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood"
- Theodore Roosevelt
Author of:
SQL Server Execution Plans
SQL Server Query Performance Tuning
January 22, 2019 at 12:54 pm
"The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood"
- Theodore Roosevelt
Author of:
SQL Server Execution Plans
SQL Server Query Performance Tuning
January 22, 2019 at 6:08 am
Yeah, same here. Not surprised that it used Distributed Replay though.
"The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood"
- Theodore Roosevelt
Author of:
SQL Server Execution Plans
SQL Server Query Performance Tuning
January 18, 2019 at 7:22 am
"The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood"
- Theodore Roosevelt
Author of:
SQL Server Execution Plans
SQL Server Query Performance Tuning
January 17, 2019 at 2:27 pm
"The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood"
- Theodore Roosevelt
Author of:
SQL Server Execution Plans
SQL Server Query Performance Tuning
January 17, 2019 at 2:25 pm
Viewing 15 posts - 2,776 through 2,790 (of 22,227 total)