Jeff Moden

Forum Replies Created

Viewing 15 posts - 52,456 through 52,470 (of 59,072 total)

RE: UDF Taking More Time than the base query

The fact that the UDF is taking longer than the embedded code is normal... there's a bit of an overhead associated with running UDF's in many cases especially when 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)

February 18, 2008 at 12:51 pm

#779437
RE: UDF Issue

Cross post...
http://www.sqlservercentral.com/Forums/Topic457027-8-1.aspx?Update=1
--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)

February 18, 2008 at 12:49 pm

#779435
RE: UDF Taking More Time than the base query

Why? That's as bad a double post. You're just gonna make people mad...
--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)

February 18, 2008 at 12:48 pm

#779434
RE: Questions to ask of a new application vendor

Good list, like everyone else said. Just no hair in the list...
I'd first ask them if they've actually tested their code on a 64 bit machine. I'd want...
--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)

February 18, 2008 at 12:45 pm

#779433
RE: UDF Taking More Time than the base query

How many times have you run the test? First section of the test caches the data for the second one. Try reversing the two tests and see 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)

February 18, 2008 at 12:38 pm

#779430
RE: code to find the latest file in a folder and load data to a table

Good stuff, Phil... we had some critical stuff we needed to do as a batch job and, for sure, it required "SA" privs and xp_cmdShell...
I love my DBA... she...
--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)

February 18, 2008 at 12:02 pm

#779424
RE: How Can I accomplish this without using CURSOR

Ken Gaul (2/18/2008)
Be careful you just lost the DISTINCT clause which may or may not be important or required, only the data can tell you.
Still can't see why anyone 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)

February 18, 2008 at 11:46 am

#779418
RE: code to find the latest file in a folder and load data to a table

Although using FSO through sp_OA is a wonderful idea... it still requires "SA" privs. Not complaining or arguing... just reminding 🙂
--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)

February 18, 2008 at 11:34 am

#779415
RE: How Can I accomplish this without using CURSOR

Schnurdle (2/18/2008)
I'm not defending the cursor, but wouldn't the proposed solution cause potential Tempdb locking problems?
I always create the temp table first, then INSERT into it to avoid such issues.
e.g.
--Create...
--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)

February 18, 2008 at 11:13 am

#779406
RE: CrossTab Query-URGENT PLEASE!

Sure thing, CA... thanks for asking...
http://www.sqlservercentral.com/articles/Advanced+Querying/61716/
... and thanks for the kudo on formatting. I do it mostly so I can read 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)

February 18, 2008 at 10:49 am

#779401
RE: Performance Tuning: Concatenation Functions and Some Tuning Myths

What are you using to measure the times with? Typically, I'll use SET STATISTICS TIME ON... the CPU time is the actual time it took sans any display. ...
--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)

February 18, 2008 at 10:11 am

#779392
RE: Only allow a table to have exactly one row

Heh... if you don't care so much about a trigger providing a friendly error, you can always just have the table lock itself up when you create it...
CREATE TABLE YourTable...
--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)

February 18, 2008 at 10:06 am

#779389
RE: Using PATINDEX to find all numeric values

Thanks for the feedback, Julie... hmm... maybe I should publish it here, as well.
--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)

February 18, 2008 at 9:14 am

#779353
RE: Management

What an awesome article... I've seen quite a few on the same topic, but this one "nutshells" the whole 9 yards very nicely. It's definitely a keeper.
Thanks for...
--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)

February 18, 2008 at 8:59 am

#779344
RE: Architechure

Actually, the help system in SQL Server is pretty good. Comes free with SQL Server. It's called "Books Online".
--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)

February 18, 2008 at 12:23 am

#779248

Viewing 15 posts - 52,456 through 52,470 (of 59,072 total)