ChrisM@Work

Forum Replies Created

Viewing 15 posts - 4,726 through 4,740 (of 10,143 total)

RE: Recursion 100 has been exhausted

Comment out the INTO as below:
SELECT distinct *
--INTO #RESULTS
FROM pr_linked
^{“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

April 26, 2013 at 7:22 am

#1610352
RE: Recursion 100 has been exhausted

hoseam (4/26/2013)
with OPTION(MAXRECURSION 0) it just runs forever, I think I have aa circular loop somewhere and need to stop it, I just haven't found out yet how to.
Set the...
^{“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

April 26, 2013 at 7:21 am

#1610351
RE: Fastforward cursor and updlock

It's highly likely that the folks here can replace your cursor-based code with a fast, efficient and pretty set-based equivalent - why don't you post your code and let them...
^{“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

April 26, 2013 at 7:19 am

#1610350
RE: Recursion 100 has been exhausted

OPTION(MAXRECURSION 0)
100 is the default value. 0 = max limit.
^{“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

April 26, 2013 at 6:59 am

#1610326
RE: Deleting Rows in a table..

faheemahmad14 (4/25/2013)
I have a table like that
MemberId(F.K) ! Event ! Event Date
1 'Test Event1' "2012-03-20 05:39:51"
1 'Test Event1' "2012-03-21 05:39:51"
1 'Test Event1' "2012-03-22 05:39:51"
3 'Test Event3' "2012-03-23 05:39:51"
2 'Test...
^{“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

April 26, 2013 at 5:11 am

#1610289
RE: With or without DISTINCT ???

John Mitchell-245523 (4/26/2013)
Use DISTINCT when you want to eliminate duplicates from your result test. If you use it in an existence test, like you did in your original post,...
^{“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

April 26, 2013 at 5:04 am

#1610288
RE: Error converting varchar to numeric only in where clause

mister.magoo (4/26/2013)
Personally, for readability and your specific requirement, as long as you can guarantee the data type for PathIDs 30 and 31, then you can use this:
select DataId, PathId, Value
from...
^{“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

April 26, 2013 at 4:25 am

#1610284
RE: Complex many to many relationships

L' Eomot Inversé (4/26/2013)
ChrisM@Work (4/25/2013)
What might you gain by putting phone numbers into a table separate from the entity (client, agent whatever) to which they belong?
Maybe the entity owning the...
^{“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

April 26, 2013 at 3:32 am

#1610263
RE: Error converting varchar to numeric only in where clause

Evil Kraig F (4/25/2013)
Chris, as far as I know that's not bombproof. While under most circumstances the predicate will be filtered prior to the activation of the cross apply,...
^{“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

April 26, 2013 at 1:41 am

#1610226
RE: Complex many to many relationships

Ganga-236835 (4/25/2013)
Well, first they are not many to many then, and second it constrains the software development due to the inability for code reuse.
This doesn't really address the point I...
^{“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

April 25, 2013 at 9:31 am

#1610004
RE: Complex many to many relationships

What might you gain by putting phone numbers into a table separate from the entity (client, agent whatever) to which they belong?
^{“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

April 25, 2013 at 9:11 am

#1609994
RE: Recursive CTE

Nice one, Geoff! Other than swapping around the sign on the hierarchy direction, it's bang on.
^{“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

April 25, 2013 at 8:51 am

#1609985
RE: Recursive CTE

Try this...
-- This CTE search for the linked client(child)--
;WITH pr_linked(CLIENT_ID, NAME, LINK_CLIENT_ID, [LEVEL])
AS
(
SELECT CLIENT_ID, Name, LINK_CLIENT_ID, 1
FROM #PR_LINK_INV_HST
--WHERE LINK_CLIENT_ID = @CLIENT_ID
WHERE CLIENT_ID = @CLIENT_ID
^{“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

April 25, 2013 at 8:44 am

#1609981
RE: how pick value from database on sql server2000?

raghuldrag (4/25/2013)
Hai friends,
I m creating one sample application its has two dropdown boxes ddl1 and dd2
if i choose dd1 in air
...
^{“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

April 25, 2013 at 8:17 am

#1609966
RE: Need help on creating Left outer Join

Here's an alternative version which might be faster:
-- inline tally table has 7 rows = "6 months back"
;WITH iTally (n) AS (SELECT 0 UNION ALL SELECT 1 UNION ALL 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

April 25, 2013 at 7:37 am

#1609940

Viewing 15 posts - 4,726 through 4,740 (of 10,143 total)