Jeff Moden

Forum Replies Created

Viewing 15 posts - 52,096 through 52,110 (of 59,102 total)

RE: When To Use Cursors

Sharon Matyk (1/3/2008)
I needed to get a cumulative running balance column in a table. So I used a cursor. I'm not very advanced but it seemed like 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)

March 6, 2008 at 6:40 am

#785909
RE: I got burned today at a SQL Server Interview!

CRUD... for some reason, this thread will no longer allow me to add a reply... in fact, it keeps overwritting THIS message when I try and the previous message has...
--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)

March 6, 2008 at 6:36 am

#785905
RE: Temporary tables & execution time!!

Nisha, it depends... is the code for high hit ratio GUI code or is it for batch code that runs every once in a while?
--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)

March 6, 2008 at 6:29 am

#785896
RE: Temporary tables & execution time!!

SELECT/INTO hauls butt in any DB but it runs like an ape that sat on a hot coal if you use it on a database that is setup for anything...
--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)

March 6, 2008 at 6:24 am

#785891
RE: CLR and UDF

Heh... WELLLLLLLLLLL!!!!!!
I'm pretty sure all you need is one select per column per table. It there where some rhyme or reason to the table names you
wanted to attack, we...
--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)

March 6, 2008 at 6:03 am

#785885
RE: Temporary tables & execution time!!

Grant Fritchey (3/5/2008)
What this is doing is using the temp table in place of a join or joins. That's bad.
Ummm... I gotta say, "Not always". I've used temp...
--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)

March 6, 2008 at 5:17 am

#785876
RE: How to lay out SQL Code

Nicely done... there are a couple of things I do exactly the opposite of you, but if I were working in your shop, the rules you wrote are pretty easy...
--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)

March 6, 2008 at 5:07 am

#785872
RE: Need to return query result in 0.02 sec

Ok...when a shopper logs in, what are the key field(s) that are looked at in the "old" table? Also, how long is it currently taking to validate the shopper?
--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)

March 6, 2008 at 4:52 am

#785869
RE: Need some Logic Help on some row by row process

Thats one of the better ideas, Ralph. It takes 25 ms duration, 15 ms CPU time, and 214 logical reads.
The update method I showed, as long as it looks,...
--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)

March 6, 2008 at 4:47 am

#785867
RE: Varchar(max) problem in SQL server 2005

My thoughts, exactly... next question would be... when is VARCHAR(MAX) in an "in row" condition? I'm thinking the answer, unlike the TEXT datatype can be forced to be, is...
--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)

March 6, 2008 at 4:33 am

#785865
RE: conditional operator

Well... maybe a little evil 🙂 It is a good "tie breaker" question.
--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)

March 6, 2008 at 4:31 am

#785864
RE: How to eliminate KeyLookUp in queryplan

That's what "index tuning" is all about... getting the columns in the correct order to produce an Index Seek. Nice job.
--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)

March 6, 2008 at 4:20 am

#785860
RE: Converting rows into one column

You would use a cursor and while loop instead of a set based solution?
--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)

March 6, 2008 at 4:18 am

#785859
RE: Assigning value to variable. Another attempt.

Whew. Ok... just wanted to make sure.
--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)

March 6, 2008 at 4:15 am

#785858
RE: I got burned today at a SQL Server Interview!

Jack Corbett (3/5/2008)
I don't need to intimidate my code, I always do it the best way the first time;)
Mr. Corbett... keep that up an I may have to find some...
--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)

March 6, 2008 at 4:15 am

#785857

Viewing 15 posts - 52,096 through 52,110 (of 59,102 total)