Forum Replies Created
Viewing 15 posts - 6,706 through 6,720 (of 59,072 total)
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Reply To: slow query on a partitioned table
ghostman wrote:I have a huge table with 3B of rows containing around 6 months of data running on Microsoft SQL server 2017 (RTM), which is partitioned day by day on...
--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: Trying to Make combinations within a bracket in SSMS column
Steve Collins wrote:Jason A. Long the "s3 string" characters which appear after the brackets do not appear in any of the OP's example rows. Imo that's a made up requirement which...
--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: Trying to Make combinations within a bracket in SSMS column
carsten.saastamoinen wrote:I will stop now as it is obviously important for you to prove that tally is the only solution. Your tests are based on the fact that the function...
--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: Trying to Make combinations within a bracket in SSMS column
Yep. Understood. And, I agree... more core and ram isn't going to change the problem with compile times. But, so far, no one has played with more than about 6...
--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: SSIS 4 Minute Job Takes Over 19 *Hours* on New Server
JJ B wrote:I had been told by people in my agency that my new server was at least good as the old one. However, when the consultant compared the old server...
--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: Trying to Make combinations within a bracket in SSMS column
carsten.saastamoinen wrote:In Azure, we also have limited resources!
Hey there, Carsten. I really appreciate that you have limited resources in Azure. It's taking me a while (had to write some 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: Communicate Through Commit
This just sounds like the basic skill required for properly documenting any code but slightly extended. The comments should explain the What and Why. You can read the code 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) -
Reply To: Calculate aging between two date fields excluding weekends and holidays in SQL
Enquiring minds want to know... where the hell did the OP go?
And, yeah... I'm a poet and don't know 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) -
Reply To: Trying to Make combinations within a bracket in SSMS column
carsten.saastamoinen wrote:No, the plan for a procedures, functions, ... when then execution cache is not big enough to hold all the plans - do you have a server that 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) -
Reply To: Update
That's really not helpful at all.
--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: A faster way to parse QueryPlan XML???
Jason A. Long wrote:Jeff Moden wrote:Wouldn't it be easier to take a snapshot of sys.dm_db_index_usage_stats from one day till the next and do a comparison? The added benefit here is that it includes...
--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: Calculate aging between two date fields excluding weekends and holidays in SQL
ScottPletcher wrote:Jeff Moden wrote:Anand929 wrote:Hi,
Please refer below code snippet -
;WITH DateTable AS (
SELECT * FROM (VALUES
('2020-07-01',0,0),
('2020-07-02',0,0),
('2020-07-03',0,1),
('2020-07-04',1,0),
('2020-07-05',1,0),
('2020-07-06',0,0),
('2020-07-07',0,0),
('2020-07-08',0,0)
) AS t(DateValue,isWeekEnd,isHoliday)
),
TicketTable AS (
SELECT * FROM (VALUES
('Ticket1','2020-07-01','2020-07-06'),
('Ticket2','2020-07-07','2020-07-08'),
('Ticket3','2020-07-07',NULL)
) AS t(Ticket,CreateDate,ResolvedDate)
)
SELECT t.Ticket,t.CreateDate,t.ResolvedDate,
DATEDIFF(DAY,t.CreateDate,t.ResolvedDate) - SUM(d.isWeekEnd)-SUM(d.isHoliday)...--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: Select Statement Where Column Does Not Exist
dallastexas wrote:Yes, I was also thinking from a maintenance perspective dynamic would not be the best solution. Today its 3 missing, it might be 5 in the future so adding...
--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: Select Statement Where Column Does Not Exist
Jeff Moden wrote:You said that the files that are missing columns are the same except for the missing columns. With that in mind, it's a whole lot easier if you make...
--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: Select Statement Where Column Does Not Exist
You said that the files that are missing columns are the same except for the missing columns. With that in mind, it's a whole lot easier if you make multiple...
--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 - 6,706 through 6,720 (of 59,072 total)