Forum Replies Created
Viewing 15 posts - 5,401 through 5,415 (of 59,089 total)
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Reply To: Columnstore or not to columnstore?
ScottPletcher wrote:No, it won't use 9 bytes under row compression unless it truly needs all 9 bytes. Row compression should automatically be used for most tables.
While row compression can certainly...
--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) -
Reply To: Columnstore or not to columnstore?
Grant Fritchey wrote:Jeff Moden wrote:I have to agree with Frederico. I've had both methods be better than the other. "It Depends".
Yep.
There are trends. More often than not, I see having...
--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) -
Reply To: Splitting a group up into multiple groups using a score....
Heh... I normally avoid helping people with anything having to do with gambling. You seem to indicate that you're making money at it. What's my cut going to be 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) -
Reply To: Always Retry
People REALLY need to read the "A Word of Caution" section at the end of the linked article. I'll also add that if the retry is due to bad code...
--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) -
Reply To: Are the posted questions getting worse?
Lynn Pettis wrote:Steve Jones - SSC Editor wrote:How to Get Current Date in SQL Server: https://www.mssqltips.com/sqlservertip/6817/sql-current-date/
Reminded me of some discussions here.
The answer to Jeff's interview question!
I thought the same thing when I read...
--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) -
Reply To: Columnstore or not to columnstore?
I have to agree with Frederico. I've had both methods be better than the other. "It Depends".
--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) -
Reply To: Last day of the previous month - Format MM/DD/YYYY
Lookup the key word CONVERT. You'll need to use the format number of 101.
--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) -
Reply To: connect to mdf file of localDB
Heh... no problem. We've all had similar problems. Even after more than 2 decades of this stuff, I still have my "WTF? Oh, DUH!" moments especially since, like you, I...
--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) -
Reply To: Columnstore or not to columnstore?
VoldemarG wrote:Thanks everyone for your valuable input!
as far as the mentioned usage of the table is concerned, this is what the indexes' usage stats are:
I assume 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) -
Reply To: Columnstore or not to columnstore?
VoldemarG wrote:Should we think about compressing tables like MyHugeTbl 200 million rows table which during the day only has reads/scans but is refreshed-truncated and loaded every night. Will the compression...
--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) -
Reply To: connect to mdf file of localDB
Yes. You simply need to "Attach" the database using those two files and it can be done using the Object Explorer window in SSMS. Right click on "Databases" and then...
--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) -
Reply To: DevOps in Space
Interesting and appropriate parallel you bring up... SpaceX has blown up and crashed as many rockets as I've seen DevOps projects fail for similar reasons. 😉
--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) -
Reply To: RunningTotal column not working
The Dixie Flatline wrote:Here is a quick example of using SUM() with an OVER clause to create a running total without having to UPDATE. It uses the data from your #tmpTable.
--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)
Reply To: What to expect on first day of PL SQL at new firm?
Seriously, how'd it go?
--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)
Reply To: RunningTotal column not working
p.s. No long-winded lecture on the use of WITH(NOLOCK) or an ordinal column list in the ORDER BY. You've been around long enough to know the cautions 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)
Viewing 15 posts - 5,401 through 5,415 (of 59,089 total)