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Articles with tag
over
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Items 1 to 7 of 7
Indexing for Windowing Functions: WHERE vs. OVER
Erik Darling shows that if you take SQL Server's word when it asks for an index, things can go horribly awry.
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By
Additional Articles
2017/10/09
|
Source:
Brent Ozar Unlimited Blog
|
Category:
indexing
Rating:
(not yet rated)
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|
Briefcase
|
3,747 reads
Using OVER() to Remove Duplicate Rows
Tables used purely for reporting sometimes lack a unique identifier. Find out how to remove duplicates from such a table when data loads go bad.
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By
Mike McQuillan
2016/11/08
|
Source:
SQLServerCentral.com
|
Category:
over
Rating:
|
Discuss
|
Briefcase
|
4,071 reads
Using OVER() to Fix Bad Version Numbers
See how the OVER() clause was used in a live system to fix overlapping field version numbers.
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By
Mike McQuillan
2016/10/17
|
Source:
SQLServerCentral.com
|
Category:
over
Rating:
|
Discuss
|
Briefcase
|
2,163 reads
Convert Rows into Columns
Convert the rows of a SELECT statement into a predetermined number of columns.
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By
M Patrick Dillon
2015/12/11 (first published: 2014/07/17)
|
Source:
SQLServerCentral.com
|
Category:
rows to columns
Rating:
|
Discuss
|
Briefcase
|
26,363 reads
Cumulative sum of previous rows
I had an update statement that took 3 minutes to run after this code change it took 6 seconds.
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By
Ben Kubicek
2015/03/27 (first published: 2014/05/08)
|
Source:
SQLServerCentral.com
|
Category:
cumulative
Rating:
|
Discuss
|
Briefcase
|
14,719 reads
Convert Rows into Columns
Convert the rows of a SELECT statement into a predetermined number of columns.
Read more...
By
M Patrick Dillon
2015/12/11 (first published: 2014/07/17)
|
Source:
SQLServerCentral.com
|
Category:
rows to columns
Rating:
|
Discuss
|
Briefcase
|
26,363 reads
Cumulative sum of previous rows
I had an update statement that took 3 minutes to run after this code change it took 6 seconds.
Read more...
By
Ben Kubicek
2015/03/27 (first published: 2014/05/08)
|
Source:
SQLServerCentral.com
|
Category:
cumulative
Rating:
|
Discuss
|
Briefcase
|
14,719 reads
Items 1 to 7 of 7
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