Jeff Moden

Forum Replies Created

Viewing 15 posts - 43,951 through 43,965 (of 59,101 total)

RE: Performance issue with tally solution

Paul White (5/2/2009)
Jeff Moden (5/2/2009)
Yes... but then you must also account for the run being against an NVARCHAR and divide by 4 instead of just 2 in Phil's example... as...
--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)

May 2, 2009 at 5:56 pm

#987772
RE: Performance issue with tally solution

Paul White (5/2/2009)
Well spotted! I must admit I looked at it and gave up after a few minutes...
I guess replacing LEN with DATALENGTH might fix it up too?
Paul
Yes... but...
--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)

May 2, 2009 at 5:36 pm

#987769
RE: BCP command using TSQL without xp_cmdshell

george sibbald (5/2/2009)
that would upset the heck out of most auditors unfortunately.
Why? I would think that the lack of security setup by the DBA that allowed it's misuse would...
--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)

May 2, 2009 at 5:11 pm

#987765
RE: Performance issue with tally solution

Phil Factor (5/2/2009)
They were rather interesting. I was when doing a 'quirky update' from a join with a temporary table and a table variable. It worked fine on the simple...
--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)

May 2, 2009 at 5:00 pm

#987764
RE: OPENQUERY

For the most part, if you have defined a linked server, there is usually no need at all for OPENQUERY or anything like it. Just use a 4 part...
--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)

May 2, 2009 at 1:27 pm

#987747
RE: SET vs SELECT

Heh... I'm definitely NOT an ANSI purest and I definitely DON'T believe in the myth of portable code especially when it comes to high performance batch code.
For all the advantage...
--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)

May 2, 2009 at 1:03 pm

#987745
RE: BCP command using TSQL without xp_cmdshell

george sibbald (5/2/2009)
as part of the same job enable xp_cmdshell just before the bcp and disable it again immediately afterwards
That would certainly work... I guess my question would be...
If...
--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)

May 2, 2009 at 12:43 pm

#987744
RE: I've tried this on 2 other forums, does anyone know the answer?

troy.hodge (5/1/2009)
I want to confirm that is infact correct and a good Idea. Are their short comings to this approach? Any reason we would not want to do this?
Some 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)

May 2, 2009 at 12:21 pm

#987743
RE: Performance issue with tally solution

Phil Factor (5/2/2009)
but I hit problems with the UPDATE ... FROM query, whist using variables. SQL Server Bugs, I'm afraid.
Which bugs?
--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)

May 2, 2009 at 11:15 am

#987736
RE: UPDATE column with auto number depending on field value ?!

m.berggren (5/2/2009)
Here is the code when i create the table. The fields are filled with values from a text file.
Maybe there is something wrong when I create the table...
--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)

May 2, 2009 at 10:59 am

#987733
RE: UPDATE column with auto number depending on field value ?!

john.arnott (5/2/2009)
Jeff,
Sorry for any confusion; I'm not the original poster. He posted in the SQL 2000 forum with just a snippet of code -- no table def's, nothing to...
--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)

May 2, 2009 at 10:55 am

#987731
RE: Special Characters

Any feedback on this, Jim?
--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)

May 1, 2009 at 9:32 pm

#987663
RE: UPDATE column with auto number depending on field value ?!

john.arnott (4/30/2009)
Well, I spent more time than I should have trying to get the cascaded value assignments (@counter = column = @counter + 1) to work inside a case statement....
--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)

May 1, 2009 at 9:25 pm

#987661
RE: UPDATE column with auto number depending on field value ?!

m.berggren (4/30/2009)
Jeff:
How does this so called "anchor" field works ?
Here are a helpful link about statements in SQL Anywhere Studio 9.0.2
http://www.ianywhere.com/developer/product_manuals/sqlanywhere/0902/en/html/index.html
Regards
Magnus
Matt Miller did some testing and claimed that without it,...
--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)

May 1, 2009 at 9:20 pm

#987660
RE: UPDATE column with auto number depending on field value ?!

john.arnott (4/30/2009)
But this is SQL 2000.....
I thought you said you were using SyBase.
--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)

May 1, 2009 at 9:17 pm

#987659

Viewing 15 posts - 43,951 through 43,965 (of 59,101 total)