Jeff Moden

Forum Replies Created

Viewing 15 posts - 2,251 through 2,265 (of 59,067 total)

Reply To: Improving Skills at Work

Xedni wrote:
Problem with learning on one's own [dt]ime is you can really only barely scrape the surface of all these techs going through books and training courses. The ecosystem 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)

December 19, 2022 at 4:14 pm

#4127542
Reply To: Converting from Gregorian to Julian Dates For JDE

alistair_goodall wrote:
Not sure if anyone is ever coming back to this thread but having just worked on migrating JDE data out and found the above useful - here is 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)

December 19, 2022 at 7:01 am

#4127304
Reply To: Improving Skills at Work

Rod at work wrote:
Most of my IT coworkers aren't even interested in improving their skills on the company nickel. They will only improve their skills if whatever old technology is permanently removed,...
--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)

December 19, 2022 at 12:19 am

#4127223
Reply To: get a substring value from string

carsten.saastamoinen wrote:
And we can see earlier in this post how some people use tally from a function found on the net, because they have learned, that this is the only...
--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)

December 18, 2022 at 10:46 pm

#4127210
Reply To: Parallel Execution Plan - Or not.

SteveOC wrote:
Interestingly I found that a setting of 8 (vs 6) does speed up the original slow query significantly it testing.
Perhaps it is time to increase the value due 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)

December 18, 2022 at 10:18 pm

#4127201
Reply To: Why are the logical reads appearing in IO STATISTICS even after cleaning Cache

A slightly different way to put it ... I'ts because SQL Server cannot actually use anything directly from Physical Reads. It MUST be loaded into memory before it can be...
--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)

December 18, 2022 at 10:04 pm

#4127197
Reply To: Improving Skills at Work

What I've found is that a lot of employees have the proverbial 9-to-5- attitude and only want to improve their skills on the company nickel and on company time.
And, 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)

December 18, 2022 at 9:54 pm

#4127196
Reply To: get a substring value from string

carsten.saastamoinen wrote:
Most people are still using a version earlier than 2022! So just using the 2022 version to solve this problem is not the right solution - for some developers...
--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)

December 18, 2022 at 9:32 pm

#4127195
Reply To: What's the logic of the NOT IN clause?

For me, it's very much something that MS got wrong. They're even trying to make it so that the NULL settings are not optional and Front-Enders are ready to march...
--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)

December 18, 2022 at 9:28 pm

#4127192
Reply To: Using SQL - Convert column to rows - not a straight forward pivot

abi wrote:
Thank you.
I tweaked it a little and implemented this for my case and it worked.
Can you post your "tweaked" code? Others may learn from 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)

December 18, 2022 at 7:02 am

#4127053
Reply To: What's the logic of the NOT IN clause?

I agree... since NULL is not "nothing" nor even equal to another NULL, I don't know why they made it evaluate for NULL behind the scenes at all or why...
--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)

December 16, 2022 at 7:44 pm

#4126684
Reply To: get a substring value from string

carsten.saastamoinen wrote:
As expected!!!! On my desk it takes only 14 seconds to process 131,000 rows. Hardly not a statement that will be executed several times every minute or several times...
--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)

December 16, 2022 at 6:32 pm

#4126664
Reply To: What's the logic of the NOT IN clause?

The problem is documented (well, kind of) in the Microsoft Documentation. They "cop" out on explaining exactly what could happen by "only" saying that having a NULL in the object...
--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)

December 16, 2022 at 5:42 pm

#4126638
Reply To: how to check the table is being used(selecting/inserting/updating/deleting/locki

I'll also tell you to never just up and delete a table. Instead, rename it and see if the proverbial phone rings. The job you save will be your own.
After...
--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)

December 16, 2022 at 4:47 pm

#4126628
Reply To: get a substring value from string

@carsten.saastamoinen
That "split" contains an incremental recursive CTE and it's going to be absolutely terrible for performance. See here...
https://www.sqlservercentral.com/articles/hidden-rbar-counting-with-recursive-ctes
--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)

December 16, 2022 at 4:43 pm

#4126626

Viewing 15 posts - 2,251 through 2,265 (of 59,067 total)