Jeff Moden

Forum Replies Created

Viewing 15 posts - 22,681 through 22,695 (of 59,067 total)

RE: Solving the "Running Total" & "Ordinal Rank" Problems (Rewritten)

corey lawson (9/26/2014)
I came across the Quirky Update initially just last week in one of Phil Factor's "Speed Phreak" challenges, where in the lengthy commentary regarding posted candidate solutions, someone...
--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)

September 27, 2014 at 3:29 pm

#1748644
RE: Solving the "Running Total" & "Ordinal Rank" Problems (Rewritten)

WayneS (5/28/2014)
autoexcrement (5/28/2014)
Has anyone done any significant testing of the Quirky Update method in SQL Server 2008, 2012, or 2014? Does it work in those versions too?
It's easy enough...
--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)

September 27, 2014 at 3:16 pm

#1748643
RE: Solving the "Running Total" & "Ordinal Rank" Problems (Rewritten)

Seggerman-675349 (3/14/2014)
Jeff - on behalf of my client 😛
see http://www.sqlservercentral.com/Forums/Topic1550386-392-1.aspx
I took a stored procedure, modified (but not enough) which had used cursors in Oracle that ran for 88 minutes 2...
--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)

September 27, 2014 at 3:08 pm

#1748642
RE: Remove non alpha chars from a column

Here's the testing I did on this...
First, create the two original functions with no modifications, Bob's CleanString_bh and my CleanString.
CREATE FUNCTION dbo.CleanString_bh
...
--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)

September 27, 2014 at 1:22 pm

#1748641
RE: Remove non alpha chars from a column

dwain.c (3/4/2014)
The Dixie Flatline (3/4/2014)
I'm with Dwain on this one.
CREATE FUNCTION dbo.CleanString_bh
(@pString VARCHAR(8000),@pPattern VARCHAR(100))
RETURNS TABLE
AS
RETURN
(
with tally as (select top(len(@pstring)) N...
--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)

September 26, 2014 at 10:22 pm

#1748628
RE: Random values

Steve Jones - SSC Editor (9/25/2014)
edwardwill (9/25/2014)
Can you explain why you aliased the sys.syscolumns table?
SELECT TOP 10
RAND( ROW_NUMBER() OVER (ORDER BY id))
FROM sys.syscolumns
is functionally identical, as...
--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)

September 26, 2014 at 5:06 pm

#1748622
RE: Looking For third party Tools.....

Jerry Inman (9/26/2014)
I used RedGate at a previous job (Kennedy Space Center), but chose Idera products for my current place of employment (Healthcare company). Price and features were the primary...
--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)

September 26, 2014 at 3:19 pm

#1748616
RE: Tally OH! An Improved SQL 8K “CSV Splitter” Function

stefan.mulder (9/24/2014)
Great stuff!
but as to Jeff's notes on collation: we do need a function that can handle compound delimiters, e.g. [|;] or [","] as in David Data's case of...
--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)

September 26, 2014 at 12:18 am

#1748384
RE: Another Way to Look at Trees

fregatepllada (9/24/2014)
Jeff - from business prospective I have to deal with situations when a Customer of on-line Assessment system could bring their own definition of their curriculum (and trust me...
--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)

September 25, 2014 at 11:37 am

#1748267
RE: Export to CSV and email

You're a man after my own heart, Nadrek. I had a fairly major project that I solved using copies of SQL Express setup as "bricks" to do nothing but...
--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)

September 25, 2014 at 8:51 am

#1748207
RE: Export to CSV and email

Frank Cazabon (9/24/2014)
Thanks,
I'll probably end up doing this in my application rather than in the database.
That's where most people end up and that's not a bad idea 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)

September 24, 2014 at 9:01 am

#1747875
RE: Looking For third party Tools.....

DBA From The Cold (9/24/2014)
I've used Idera SQLsafe quite extensively and to be honest, I wouldn't recommend it purely because it's quite memory hungry.
I've seen the program use up 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)

September 24, 2014 at 8:54 am

#1747870
RE: Looking For third party Tools.....

Grant Fritchey (9/24/2014)
Jeff Moden (9/24/2014)
Chowdary's (9/24/2014)
Thank you for response Grant,
I installed Red Gate Soft and using but its very costly tools ,as we are in small infrastructure my management will...
--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)

September 24, 2014 at 8:51 am

#1747867
RE: SORT cost in union query

There is actually an optimization that can be done to this code. It's called "pre-aggregation" (a term that I go from SQL Server MVP Peter Larsson). If you...
--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)

September 24, 2014 at 8:13 am

#1747849
RE: Looking For third party Tools.....

Chowdary's (9/24/2014)
Thank you for response Grant,
I installed Red Gate Soft and using but its very costly tools ,as we are in small infrastructure my management will not go for that.So...
--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)

September 24, 2014 at 7:24 am

#1747831

Viewing 15 posts - 22,681 through 22,695 (of 59,067 total)