Forum Replies Created
Viewing 15 posts - 661 through 675 (of 10,143 total)
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RE: how to optimise a view having 3 to 4 derived tabels.
rajemessage 14195 - Thursday, July 6, 2017 7:52 AM“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail ShawFor 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 ModenRE: how to optimise a view having 3 to 4 derived tabels.
Quick suggestion: convert it into an inline table-valued function. They work like a parameterised view.
Other than that, as Eirikur says, way too little information.“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail ShawFor 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 ModenRE: Are the posted questions getting worse?
jonathan.crawford - Wednesday, July 5, 2017 8:05 PM“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail ShawFor 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 ModenRE: Cross Apply Timing Out on Large (1bn rows) Table
SirWittles - Monday, July 3, 2017 10:18 PM“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail ShawFor 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 ModenRE: Are the posted questions getting worse?
Happy holidays to our wonderful neighbours across the water, celebrating Brexit 1776!
“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail ShawFor 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 ModenRE: Please help me with a complex SELECT
salardx - Friday, June 30, 2017 6:17 AMHi, I got a table like this:
i need to convert it to a...
“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail ShawFor 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 ModenRE: MAX MIN OR SUB-QUERY
53 people have looked at your post and none have replied.
It's very difficult to determine exactly what you want as your result, significant language problem here.
Can you...“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail ShawFor 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 ModenRE: SQL Select
CREATE TABLE #Table1 (Item VARCHAR(5), Code VARCHAR(5))
INSERT INTO #Table1 (Item, Code) VALUES
('Item1', 'code1'),
('Item1', 'code2'),
('item2', 'code3'),
('Item2', 'code4')CREATE TABLE...
“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail ShawFor 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 ModenRE: How to identify the position of the nth occurance of character in a string
@awais_487It was an interesting exercise at the time 🙂
Mark Cowne's solution is far more efficient. If you wish to...“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail ShawFor 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 ModenRE: More problems with SQL 2014's new Cardinality Estimator
julian.fletcher - Thursday, June 29, 2017 9:30 AM“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail ShawFor 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 ModenRE: More problems with SQL 2014's new Cardinality Estimator
Both of those execution plans indicate that SQL Server baulked at the task of generating a decent plan from such a complex query (Reason“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail ShawFor 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 ModenRE: Help needed in resolving dead lock
RohitK25 - Wednesday, June 28, 2017 12:52 AM“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail ShawFor 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 ModenRE: Query Taking too long to execute when filter on geography data (STContains,STGeomFromText)???
vineet_dubey1975 - Tuesday, June 27, 2017 6:40 AM“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail ShawFor 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 ModenRE: Parallelism (Repartition Streams) 55% in exec Plan, can I fight it ?
roshithkooleri - Monday, June 26, 2017 3:48 AM“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail ShawFor 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 ModenRE: Are the posted questions getting worse?
Eric M Russell - Saturday, June 24, 2017 8:24 PM“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail ShawFor 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 ModenViewing 15 posts - 661 through 675 (of 10,143 total)
