ChrisM@Work

Forum Replies Created

Viewing 15 posts - 6,271 through 6,285 (of 10,143 total)

RE: Finding the right JOIN type

Anatoly Ukhvanov (6/13/2012)
ChrisM@Work (6/13/2012)
No, it's spam, reported.
Thanks, I'll «store it in my mind». 🙂
P. S. Did I choose the correct English idiom? Do American/English people say like this? (I'm...
^{“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw}
For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden

June 13, 2012 at 4:41 am

#1500253
RE: Finding the right JOIN type

Anatoly Ukhvanov (6/13/2012)
enling112010, are you reliableitservice?
No, it's spam, reported.
^{“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw}
For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden

June 13, 2012 at 3:51 am

#1500232
RE: Cumulative Total

/* If you're not concerned about persisting the results, then a recursive CTE works just fine */
/* Working with more than a few thousand rows? Then spool "OrderedData" into...
^{“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw}
For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden

June 13, 2012 at 2:29 am

#1500201
RE: Query to return 1 or unique value

SELECT TOP 1
CASE WHEN GroupCount = 1 THEN SumGroup / CountInGroup ELSE 1 END
FROM (
SELECT a,
CountInGroup= COUNT(*),
SumGroup= SUM(a),
GroupCount= COUNT(*) OVER(PARTITION BY @@spid)
FROM ( SELECT...
^{“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw}
For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden

June 13, 2012 at 2:07 am

#1500196
RE: Performance tuning T-SQL statement in SQL 2008 R2

I can't see the need for dynamic sql here.
;WITH MainServices AS (
SELECT m.AccountKey, m.DateCompleted, m.[Service], m.AmountCompleted, m.TaxCompleted
FROM tblMainServices m
WHERE m.DateCompleted >= @MinDate
AND (m.PriceAdjustmentDescription IS NULL OR m.PriceAdjustmentDescription...
^{“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw}
For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden

June 12, 2012 at 9:38 am

#1499876
RE: Insert Statement inside Function

francois.vandecan (6/12/2012)
Tks but ...
I'm using the result of the function inside a merge statement... Therefore function is mandatory.....
Function isn't mandatory. Don't try it. Follow Gail's advice and do the updates...
^{“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw}
For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden

June 12, 2012 at 8:40 am

#1499833
RE: Insert Statement inside Function

francois.vandecan (6/12/2012)
Tks for your quick reaction.
To explain you
Input table : several columns + 1 column containing 5 <> col (string based) in 1 (separated by |).
Output table : same several...
^{“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw}
For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden

June 12, 2012 at 7:25 am

#1499786
RE: Insert Statement inside Function

Are you attempting to update/insert two different tables within one merge statement? It's possible to do this with composible DML, but there's not enough information in your post to determine...
^{“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw}
For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden

June 12, 2012 at 7:13 am

#1499775
RE: Converting text to date issues

No problem. Left pad the text slice to 7 characters:
DECLARE @dbo_F_TRACKING_TK_FLIGHT VARCHAR(20)
SET @dbo_F_TRACKING_TK_FLIGHT = 'VBD55201/1MAY12'
-- Using RIGHT() is a little cleaner than SUBSTRING(). Then use STUFF to insert the spaces...
^{“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw}
For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden

June 12, 2012 at 5:54 am

#1499722
RE: Converting text to date issues

Use the correct style when using convert. The first part of your code is nearly there, albeit missing the spaces between the date elements:
DECLARE @dbo_F_TRACKING_TK_FLIGHT VARCHAR(20)
SET @dbo_F_TRACKING_TK_FLIGHT = 'VBD55201/12MAY12'
-- Using...
^{“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw}
For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden

June 12, 2012 at 5:08 am

#1499706
RE: Duplicate Records

Lynn Pettis (6/11/2012)
Using the formatted data from Lowell's post (thank you, Lowell), here is one way to accomplish your task:
With tenant_history(hmy, dtdate, htent, sevent, dtoccurred, dtmovein, dtmoveout )
AS
(
SELECT '176340','2011-08-26 00:00:00.000','55496','Notice...
^{“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw}
For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden

June 12, 2012 at 3:40 am

#1499671
RE: Finding the right JOIN type

Good grief, this thread reads like a traincrash.
Three sample tables are presented because they are all required. No pivoting is necessary. The business rules are a little nonstandard because...
^{“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw}
For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden

June 12, 2012 at 2:18 am

#1499642
RE: Calculate weeks for past months

nehaCS (6/11/2012)
This gives the perfect result. how can I store the result set in a temp table. I want to store these values in temp table and use that temp...
^{“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw}
For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden

June 12, 2012 at 1:40 am

#1499621
RE: Calculate weeks for past months

SELECT [Output] = STUFF(
(SELECT ', ' + CONVERT(VARCHAR(10),DATEADD(dd,0-(7*n),LastFridayOfThisMonth),101)
FROM (
SELECT
FirstDayOfFirstMonth,
LastFridayOfThisMonth = DATEADD(dd,0-(DATEDIFF(dd,-3,x.LastDayOfLastMonth)%7),x.LastDayOfLastMonth)
FROM (
SELECT
FirstDayOfFirstMonth = DATEADD(month,DATEDIFF(month,0,GETDATE())-2,-0), -- April
LastDayOfLastMonth = DATEADD(month,DATEDIFF(month,0,GETDATE())+0,-1) -- May
) x
) y
CROSS JOIN (VALUES (0), (1),(2),(3),(4),(5),(6),(7),(8),(9)) d...
^{“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw}
For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden

June 11, 2012 at 9:06 am

#1499353
RE: Subtract Value At Previous Row From Current Row

HUSRAF (6/7/2012)
I want to check End date is within 14 days of next row start date, If within 14 days than use first row start date and last row end...
^{“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw}
For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden

June 11, 2012 at 5:36 am

#1499252

Viewing 15 posts - 6,271 through 6,285 (of 10,143 total)