Jeff Moden

Forum Replies Created

Viewing 15 posts - 51,046 through 51,060 (of 59,091 total)

RE: SELECT DISTINCT on Long Table

Steve F. (4/18/2008)
Hello,
I have a table with over 10 million rows. Each row has one of 8 dates attached to it, roughly evenly distributed across the 8 days. ...
--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 18, 2008 at 6:52 am

#804306
RE: CTE's are useless

As you probably already know (just making sure), CTE's are nothing more than another way of creating a derived table except you do it up front instead of in 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 18, 2008 at 6:44 am

#804299
RE: Limiting impact of poorly designed queries

Jim Russell (4/18/2008)
That's the chauvinistic IT department high priest answer!
I don't care about the job title of the author of the problematic query, I just want to limit the impact.
(And...
--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 18, 2008 at 6:03 am

#804273
RE: Insert...or UpdateCursor..Which is faster?

Highwayman (4/17/2008)
I was able to rewrite my joins...so they didn't have to be nested....so the correlated sub query is working much faster.....
Thank you again to everyone!!!!
Would you mind posting your...
--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 18, 2008 at 5:54 am

#804262
RE: total time difference between more than two dates

Thanks folks. I really appreciate the feedback especially on a long one like 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 18, 2008 at 5:53 am

#804260
RE: split a string

I like the numbers table based solution better, too! It eliminates the loop, runs faster because it uses a single insert, and is a bit easier on the eyes.
See...
--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 17, 2008 at 10:54 pm

#804096
RE: XML vs Split for parsing of URL type data

Sorry folks... dunno how I missed this one.
Antonio... I sure do appreciate the attention to detail you put into the tests you did and the reports that followed. Absolutely...
--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 17, 2008 at 10:20 pm

#804088
RE: Just another controversial topic

Glad you posted this... Cheddar late than never... 😀
--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 17, 2008 at 7:09 pm

#804073
RE: Indexed View / Creating unique clustered index: Slow, consuming massive disk space

Matt Miller (4/17/2008)
If you start doing Crane kicks...I'm outta here:hehe:
Ya gotta be "stumped" to practice those...: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)

April 17, 2008 at 6:27 pm

#804068
RE: Insert...or UpdateCursor..Which is faster?

Keep in mind what I said in the conclusion of the article on triangular joins...
Not all Triangular Joins are bad. With some restraint and the right criteria, Triangular Joins can...
--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 17, 2008 at 6:15 pm

#804065
RE: application running slow

escaleraroyal (4/17/2008)
Jeff Moden (4/16/2008)
escaleraroyal (4/16/2008)
update.
Vendor says the same applicationX runs fast in another company1 which has a higher volumne of data. He thinks it's our clustering server that is causing...
--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 17, 2008 at 6:09 pm

#804064
RE: I got burned today at a SQL Server Interview!

jburkman (4/17/2008)
Jeff Moden (4/17/2008)
Jeff Moden (4/17/2008)
It's a tail yank, Brandie... someone who hates East Indians and is trying to give them a bad name. It would appear that was...
--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 17, 2008 at 9:49 am

#803827
RE: I got burned today at a SQL Server Interview!

Jeff Moden (4/17/2008)
It's a tail yank, Brandie... someone who hates East Indians and is trying to give them a bad name. It would appear that was the whole intent...
--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 17, 2008 at 8:56 am

#803784
RE: I got burned today at a SQL Server Interview!

Despite that... there's a lot of good information on this thread.:D
--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 17, 2008 at 8:39 am

#803766
RE: I got burned today at a SQL Server Interview!

It's a tail yank, Brandie... someone who hates East Indians and is trying to give them a bad name. It would appear that was the whole intent 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)

April 17, 2008 at 8:34 am

#803762

Viewing 15 posts - 51,046 through 51,060 (of 59,091 total)