Jeff Moden

Forum Replies Created

Viewing 15 posts - 47,401 through 47,415 (of 59,095 total)

RE: in clause vs not in clause

Guess that's where the term "It Depends" comes from... :hehe:
--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)

November 5, 2008 at 7:26 pm

#894621
RE: in clause vs not in clause

Heh... I see now... first, of course the rowcounts will be/are identical. And, of course your testing shows that WHERE IN will be much faster... you changed the problem...
--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)

November 5, 2008 at 7:23 pm

#894620
RE: in clause vs not in clause

Do your tests all come back with the same rowcounts? Remember... it's random data and SomeInt has different counts for different values.
And, no... I didn't get any Index Seeks......
--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)

November 5, 2008 at 7:13 pm

#894616
RE: SQL doesnt want to round??

Heh... I believe I have it... ROUND just shouldn't be used for display purposes... in Books Online, they say...
This example shows two expressions illustrating that with the ROUND function 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)

November 5, 2008 at 6:49 pm

#894611
RE: SQL doesnt want to round??

I get the correct answers by copying and pasting the code directly from the original post in SQL Server 2005...
In SQL Server 2000, no dice... @a and @c both...
--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)

November 5, 2008 at 6:34 pm

#894608
RE: serial numbers in a query

Heh... sure... you've done something wrong in the code. 😉
There is no way possible to figure out what's wrong from here with what you posted. Discounting all of 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)

November 5, 2008 at 6:23 pm

#894605
RE: in clause vs not in clause

krayknot (11/4/2008)
It only depends on the number of rows you have in the dB and the number of resultant rows after applying the condition
Absolutely not true. Take a look...
--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)

November 5, 2008 at 6:08 pm

#894601
RE: Passing Parameters as (almost) 1, 2, and 3 Dimensional Arrays

Thanks for the feedback, Jorge. Let us know if there's anything else we can do to help.
--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)

November 5, 2008 at 6:06 pm

#894598
RE: Checkpoint frequency: is it possible to configure at database level?

Heh... good luck.
--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)

November 5, 2008 at 6:05 pm

#894597
RE: Calculating Work Days

aevans1981 (11/5/2008)
Thanks for that Jeff, that worked great.
I have commented out the swap section as i am using this to calculate the time taken to turn around orders from when...
--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)

November 5, 2008 at 6:01 pm

#894596
RE: Merging duplicate rows

that's good news, Sam. Thank you very much for the feedback. Very happy I could help.
--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)

November 5, 2008 at 5:42 pm

#894594
RE: T-SQL Development Standards

Thanks for the feedback, Bryant.
--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)

November 5, 2008 at 5:39 pm

#894593
RE: Re: Evaluating logically-equivalent stored procedure performance

I'd be tempted to use the one that uses the fewest resources... but lemme ask... are you returning any output from the procs to the screen?
--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)

November 5, 2008 at 5:37 pm

#894592
RE: Exercise to practise SQL

SQLBill (11/4/2008)
It looks like the OP is looking for exercises for ORACLE not SQL Server.
Quote:
where I can get good SQL exercise to practise sql queries and pl sql
Bolding is mine...
--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)

November 4, 2008 at 8:35 pm

#894025
RE: in clause vs not in clause

Heh... or maybe "Stormtrooper Clones'R'Us" 😛
--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)

November 4, 2008 at 8:25 pm

#894022

Viewing 15 posts - 47,401 through 47,415 (of 59,095 total)