Viewing 15 posts - 2,251 through 2,265 (of 6,036 total)
SQL Kiwi (1/15/2012)
Which means - Fuel counting executes before fuel is pumped.
Did you try it on real life people?
🙂
It's not a...
_____________
Code for TallyGenerator
January 15, 2012 at 11:46 pm
SQL Kiwi (1/15/2012)
The vast majority of people are happy with the phrasing used.
How happy are those people about this one:
Cursor loop executes before the first row of the cursor...
_____________
Code for TallyGenerator
January 15, 2012 at 10:30 pm
SQL Kiwi (1/15/2012)
Sergiy (1/15/2012)
Really? What is off in this analogy?Really, yes. Does the fuel counter reset before any fuel starts being delivered? Of course.
So?
Both fuel counter...
_____________
Code for TallyGenerator
January 15, 2012 at 10:23 pm
Another loose point I found in this article, which possibly leads to a wrong understanding:
http://bradsruminations.blogspot.com/2010/11/second-in-life-of-query-operator.html
Here is my test query:
DECLARE @A TABLE (a varchar(20) NOT NULL)
DECLARE @b-2 TABLE (b varchar(20) NOT...
_____________
Code for TallyGenerator
January 15, 2012 at 5:06 pm
SQL Kiwi (1/12/2012)
There is no 'bookmark lookup' in this case as Jeff's explanation of point H reveals: the non-clustered index is covering for the query.
Sounds right.
I need to find out...
_____________
Code for TallyGenerator
January 15, 2012 at 4:19 pm
SQL Kiwi (1/13/2012)
I say that an executable plan is exactly that: executable code.
Staying within the terms of executable codes:
- Cursor loop executes before its first row is fetched.
- Main...
_____________
Code for TallyGenerator
January 15, 2012 at 3:53 pm
SQL Kiwi (1/13/2012)
So, person D (the stream aggregate) starts work first.
"Executes" has more in it then "starts execution".
Person D is still in process of execution when all others are done.
So,...
_____________
Code for TallyGenerator
January 15, 2012 at 3:38 pm
SQL Kiwi (1/13/2012)
Sergiy (1/13/2012)
How stupid does it sound?I don't find the analogy useful at all, to be honest.
Really?
What is off in this analogy?
Now you would argue that...
_____________
Code for TallyGenerator
January 15, 2012 at 3:33 pm
SQL Kiwi (1/13/2012)
Sergiy (1/13/2012)
_____________
Code for TallyGenerator
January 13, 2012 at 4:02 pm
SQL Kiwi (1/13/2012)
You claim that opening handlers IS execution. OK, let's pretend for a minute we've agreed on that.
Yes, code execution (as shown in the stack trace from the...
_____________
Code for TallyGenerator
January 13, 2012 at 6:48 am
SQL Kiwi (1/12/2012)
You seem to be assuming (among many things!) that the scan completes before the join starts.
I'm not assuming anything.
I state what I see from the Profiler...
_____________
Code for TallyGenerator
January 13, 2012 at 1:59 am
SQL Kiwi (1/12/2012)
articles from people like Craig Freedman (who wrote parts of...
_____________
Code for TallyGenerator
January 12, 2012 at 10:53 pm
SQL Kiwi (1/12/2012)
You really need to read those articles I linked to, to clarify your thinking here.
There are so many holes and false assumptions in those articles...
Some of them...
_____________
Code for TallyGenerator
January 12, 2012 at 10:43 pm
January 12, 2012 at 10:21 pm
SQL Kiwi (1/12/2012)
_____________
Code for TallyGenerator
January 12, 2012 at 10:00 pm
Viewing 15 posts - 2,251 through 2,265 (of 6,036 total)