Jeff Moden

Forum Replies Created

Viewing 15 posts - 4,471 through 4,485 (of 59,098 total)

Reply To: How to get YYYYMMDDHHMMSS

A lot of the methods posed so far do the job but are actually relatively slow because of all the string manipulation using both concatenation and REPLACE. Using a nice...
--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)

October 23, 2021 at 7:33 pm

#3943642
Reply To: Replace Numbers

RonMexico wrote:
My goal is to replace the numbers 1-9 in a column with a different number. For this example the numbers would change to
1=7
2=3
3=9
4=1
5=4
6=2
7=5
8=6
9=8
I tried using the replace function shown...
--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)

October 23, 2021 at 5:44 pm

#3943631
Reply To: How to get YYYYMMDDHHMMSS

MMartin1 wrote:
Jeff Moden wrote:
p.s. Using VARCHAR with no length is one of those code smells that you might want to avoid.
It would default to varchar(30) , but still to wide 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)

October 23, 2021 at 5:37 pm

#3943630
Reply To: TSQL: Create dynamic partition DataRange

Lidou123 wrote:
Any help please?
If you want faster help in the future, please see the first link in my signature line below for one of many different ways to post "Readily...
--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)

October 22, 2021 at 7:10 pm

#3943401
Reply To: Replace Numbers

This looks like it might be used for the old and totally unsafe hack for "encrypting" SSNs and other critical numeric information. If it is, STOP! Do it correctly with...
--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)

October 22, 2021 at 7:04 pm

#3943393
Reply To: How to get YYYYMMDDHHMMSS

planetmatt wrote:
Replace all that with
SELECT FORMAT(GETDATE(),'yyyyMMddhhmmss')
You need to be really careful there. FORMAT is about 43 times slower than just about anything you might want to do with CONVERT. It's...
--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)

October 22, 2021 at 6:05 pm

#3943375
Reply To: Need help on T-SQL
Read up on OUTER joins. This will do it for you.
https://docs.microsoft.com/en-us/sql/relational-databases/performance/joins?view=sql-server-ver15
```
 SELECT  p.ProjectId
        ,p.ProjectName
     ...
```
--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)
October 22, 2021 at 1:34 am

#3943078
Reply To: Complex Searching

One of the things that I've been fascinated about for a while is how the camera software on our phones not only puts a box around human faces but also...
--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)

October 22, 2021 at 1:20 am

#3943076
Reply To: Identify what causes tempdb to increase

sgambale wrote:
I have sql server 2005 and recently my tempdb is hitting the limits of the logical disk drive and cannot expand. It's usually about 1- 4 GB in size,...
--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)

October 21, 2021 at 9:45 pm

#3943028
Reply To: Conversion failed when converting the varchar value to data type int.

diglife wrote:
Thanks for the response, i was able to get the solution:
((CAST(Length AS Float)/12)*(16.33)) as Price
Thank you for the help.
You title said you were trying to cast to an INT. ...
--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)

October 21, 2021 at 9:41 pm

#3943027
Reply To: How to get YYYYMMDDHHMMSS

p.s. Using VARCHAR with no length is one of those code smells that you might want to avoid.
--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)

October 21, 2021 at 9:35 pm

#3943024
Reply To: How to get YYYYMMDDHHMMSS

You can cut out one of the REPLACEs. Look at format # 112.
--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)

October 21, 2021 at 9:31 pm

#3943019
Reply To: Delete Extended Events file

That's exactly the conclusion that I came to but had to ask. Thanks, Grant.
As a bit of a sidebar, long live xp_CmdShell! 😀
--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)

October 21, 2021 at 9:17 pm

#3943001
Reply To: Delete Extended Events file

Have any of you ever solved the problem of something in EE being used to easily identify and delete old files by session without having to jump through a flaming...
--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)

October 21, 2021 at 3:02 pm

#3942889
Reply To: Identify what causes tempdb to increase

So, the answer is "No". You don't know how to determine the code that is causing TempDB to grow.
--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)

October 21, 2021 at 1:25 am

#3942665

Viewing 15 posts - 4,471 through 4,485 (of 59,098 total)