Jeff Moden

Forum Replies Created

Viewing 15 posts - 44,041 through 44,055 (of 59,097 total)

RE: Performance issue with tally solution

Florian Reischl (4/25/2009)
@jeff
Sorry, your posted test environment is really good but I need something more flexible and a possibility to run different tests at once.
Heh... no need to apologize, Flo......
--Jeff Moden
RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.
Change is inevitable... Change for the better is not.
Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)

April 25, 2009 at 11:55 am

#983998
RE: Performance issue with tally solution

Paul White (4/25/2009)
The point I was making was that the UNION ALL method and it's derivatives split one row and then copy the results for all subsequent rows. The...
--Jeff Moden
RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.
Change is inevitable... Change for the better is not.
Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)

April 25, 2009 at 11:29 am

#983994
RE: Which country is best for Outsourcing?

Heh... enough about outsourcing. I don't care what country anyone is from, here's to all the good people that "try" and do what's right every bloody day... and damn...
--Jeff Moden
RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.
Change is inevitable... Change for the better is not.
Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)

April 25, 2009 at 11:03 am

#983988
RE: Which country is best for Outsourcing?

umar iqbal (4/23/2009)
and I proud to be an american
where atleast i feel i am free
Gosh, Umar, I wish some of the folks born here felt the same way. ...
--Jeff Moden
RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.
Change is inevitable... Change for the better is not.
Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)

April 25, 2009 at 10:54 am

#983984
RE: Performance issue with tally solution

Paul White (4/25/2009)
One last thing. Using SELECT INTO to create the result table is a bit unfair on any method (e.g. a stored procedure) which cannot be used that...
--Jeff Moden
RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.
Change is inevitable... Change for the better is not.
Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)

April 25, 2009 at 10:31 am

#983978
RE: Performance issue with tally solution

Paul White (4/25/2009)
Hey Flo!
These new tally solutions are only fast if all the rows in dbo.JBMTest are identical.
That's exactly what my testing was showing me. Randomness of position of...
--Jeff Moden
RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.
Change is inevitable... Change for the better is not.
Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)

April 25, 2009 at 10:28 am

#983977
RE: Performance issue with tally solution

Florian Reischl (4/25/2009)
The Article
Sorry that the article is still pending, but it is quiet hard to write an article since all test results still changing... I didn't forget, I just...
--Jeff Moden
RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.
Change is inevitable... Change for the better is not.
Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)

April 25, 2009 at 9:21 am

#983969
RE: Performance issue with tally solution

Florian Reischl (4/25/2009)
@bob-2, Jeff and the rest of the tally masters
This becomes a bit esoteric but as Bob said "if one tally is fast, two are faster"... If my UNION...
--Jeff Moden
RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.
Change is inevitable... Change for the better is not.
Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)

April 25, 2009 at 9:17 am

#983968
RE: Performance issue with tally solution

Derek Dongray (4/24/2009)
Bob Hovious (4/23/2009)
With respect to testing, and I apologize for not having done more, it seems there are at least three or four variables about the test data...
--Jeff Moden
RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.
Change is inevitable... Change for the better is not.
Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)

April 25, 2009 at 9:12 am

#983966
RE: Perform math on string

WayneS (4/24/2009)
GSquared (4/24/2009)
Before you start stuffing the string, make sure that times before 10 AM are stored with leading zeroes. If not, you might have a problem when 9:00...
--Jeff Moden
RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.
Change is inevitable... Change for the better is not.
Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)

April 25, 2009 at 9:08 am

#983964
RE: Solving the "Running Total" & "Ordinal Rank" Problems in SS 2k/2k5

Jack Corbett (4/24/2009)
Jeff,
If you send me the test code I can run it in 2008. I have it on my laptop.
Very cool, Mr. Corbett. I'll take you...
--Jeff Moden
RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.
Change is inevitable... Change for the better is not.
Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)

April 24, 2009 at 5:15 pm

#983873
RE: Need help with a query

nwinningham (4/24/2009)
How can I get this information to come back in one row?
AckleyBriannaLynnNULL 46NULL
AckleyBriannaLynnKnox 203B469999999999
Here is my query:
SELECT...
--Jeff Moden
RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.
Change is inevitable... Change for the better is not.
Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)

April 24, 2009 at 3:59 pm

#983866
RE: Perform math on string

WayneS (4/24/2009)
First, fire your developer and store the time in a datetime field.
BWAA-HAA-HAA!!!! Dammit! Ya beat me to it! 😛 Wonder if the developer likes point blank pork...
--Jeff Moden
RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.
Change is inevitable... Change for the better is not.
Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)

April 24, 2009 at 3:51 pm

#983862
RE: Where Do You Search for DBA Jobs?

Why not just post it on the Jobs forum on SQLServerCentral.com???? At least that will narrow it down to only a million people who actually think they know what...
--Jeff Moden
RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.
Change is inevitable... Change for the better is not.
Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)

April 24, 2009 at 3:48 pm

#983861
RE: Solving the "Running Total" & "Ordinal Rank" Problems in SS 2k/2k5

The good news will come when they finally get all of the windowing functions like SUM() OVER working correctly so we don't have to trick SQL server with things like...
--Jeff Moden
RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.
Change is inevitable... Change for the better is not.
Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)

April 24, 2009 at 3:42 pm

#983860

Viewing 15 posts - 44,041 through 44,055 (of 59,097 total)