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Category: Execution Plans (3)
Rob Farley: What's "Actually" going on with that Seek?
Rob Farley digs deeper into seeks and actual rows read, demonstrating a case where you want a non-sargable expression in the WHERE..
June 10, 2016
|
SQLPerformance.com
|
Execution Plans
,
Plan Explorer
0
#BackToBasics: An Updated Kitchen Sink Example
Continuing the EntryLevel challenge, Aaron Bertrand discusses optimizing the kitchen sink procedure with dynamic SQL and, optionally, OPTION (RECOMPILE).
June 1, 2016
|
Aaron Bertrand
|
Execution Plans
,
#BackToBasics
,
T-SQL
3
STRING_SPLIT() in SQL Server 2016 : Follow-Up #2
Aaron Bertrand shows that, at least for a large number of...
April 22, 2016
|
SQLPerformance.com
|
Execution Plans
,
T-SQL
,
STRING_SPLIT
0
STRING_SPLIT() in SQL Server 2016: Follow-Up #1
Aaron Bertrand follows up on a recent post about the performance...
April 19, 2016
|
SQLPerformance.com
|
Execution Plans
,
T-SQL
,
Statistics
,
STRING_SPLIT
0
Performance Surprises and Assumptions : DATEADD()
Aaron Bertrand explores yet another scenario where a date/time...
April 11, 2016
|
SQLPerformance.com
|
Execution Plans
,
T-SQL
,
Query Plan Analysis
0
More ways to discover changes in new versions of SQL Server
Following up on an earlier post about metadata, Aaron Bertrand reveals a few more of his sources for discovering changes in SQL Server.
March 30, 2016
|
Aaron Bertrand
|
Execution Plans
,
SQL Server 2016
,
Extended Events
0
Bad cardinality estimates from SSMS plans - redux
Aaron Bertrand shares some insight about early changes to Plan Explorer that help to provide you with the most accurate information we can.
March 4, 2016
|
SQLPerformance.com
|
Execution Plans
,
Plan Explorer
,
Query Plan Analysis
0
Can ColumnStore Help Pagination Workloads?
Aaron Bertrand revisits whether or not ColumnStore can help pagination workloads.
January 15, 2016
|
SQLPerformance.com
|
Execution Plans
,
T-SQL
,
Transact-SQL
,
ColumnStore
0
Plan Explorer Update Just in "Time" for the New Year
Jason Hall shows off some of the new features in a brand new update for Plan Explorer.
January 5, 2016
|
Jason Hall
|
Execution Plans
,
Plan Explorer
,
Query Plan Analysis
2
Paul White: Another Reason to Use NOEXPAND hints in Enterprise Edition
Paul White goes into detail about another reason you'll want to use the NOEXPAND hint, even when using Enterprise Edition.
December 30, 2015
|
SQLPerformance.com
|
Execution Plans
,
Query Plan Analysis
0
Paul White : Optimizing Update Queries
Paul White spends some time optimizing update queries in order to explore some SQL Server internals.
December 16, 2015
|
SQLPerformance.com
|
Execution Plans
0
Aaron Bertrand : More showplan improvements? Yes, please!
Aaron Bertrand highlights a handful of Connect items aimed at improving SQL Server showplan diagnostics and query tuning in...
December 8, 2015
|
SQLPerformance.com
|
Execution Plans
0
Learning all about the SQL Server Plan Cache
The SQL Server plan cache is one of the most important architectural elements for DBAs to understand. Get the slide deck and sample scripts here.
November 16, 2015
|
Kevin Kline
|
Execution Plans
,
Performance
,
Plan Explorer
,
Query Plan Analysis
,
Slide Decks
2
Hash Joins on Nullable Columns
Paul White discusses some less well-known query optimizer features and limitations, and explains poor performance of certain hash join...
November 3, 2015
|
SQLPerformance.com
|
Execution Plans
,
Query Plan Analysis
0
Webinar: Query Progress Tracking in SQL Server
SQL Server MVP Matan Yungman shows ways to identify specific query bottlenecks while the query is running, mostly using native tools in SQL Server.
October 12, 2015
|
SQLPerformance.com
|
Execution Plans
,
Query Plan Analysis
0
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