Adaptive Query Processing - Adaptive Joins - Plan resue - 3
Continuing on the series on Adaptive Query Processing covered overhere, this post would cover what happens to adaptive joins when...
2017-12-23
558 reads
SQL and SQL Only
Data Channel Interview - 09 - Mr.Madhivanan on Best Practices in TSQL Programming
Dear All,Very happy to share the 9th interview of #DataChannel. Mr.Madhivanan Ramachandran, 10 time Microsoft MVP Award winner and a Data Platform expert from India discusses "Best Practices for...
2017-12-02
15 reads
Data Channel Interview - 09 - Mr.Madhivanan on Best Practices in TSQL Programming
Dear All,Very happy to share the 9th interview of #DataChannel. Mr.Madhivanan Ramachandran, 10 time Microsoft MVP Award winner and a Data Platform expert from India discusses "Best Practices for...
2017-12-02
5 reads
Data Channel Interview - 09 - Mr.Madhivanan on Best Practices in TSQL Programming
Dear All,
Very happy to share the 9th interview of #DataChannel. Mr.Madhivanan Ramachandran, 10 time Microsoft MVP Award winner and a...
2017-12-02
541 reads
Adaptive Query Processing and Automatic Tuning - Adaptive Joins - 2
Continuing from the introduction written over here, let’s look at one of the aspects of Adaptive Query Processing which is Adaptive Joins.Before we start Adaptive Joins, SQL Server's Query...
2017-11-29
47 reads
Adaptive Query Processing and Automatic Tuning - Adaptive Joins - 2
Continuing from the introduction written over here, let’s look at one of the aspects of Adaptive Query Processing which is Adaptive Joins.Before we start Adaptive Joins, SQL Server's Query...
2017-11-29
3 reads
Adaptive Query Processing and Automatic Tuning - Adaptive Joins - 2
Continuing from the introduction written over here, let’s look at one of the aspects of Adaptive Query Processing which is...
2017-11-29
738 reads
Tricks - Copy T SQL Result to Excel
Sometimes, some of the silliest of tricks save so much of time and effort. Very common scenario is to copy a query result to excel. Most take either of...
2017-11-25
162 reads
Tricks - Copy T SQL Result to Excel
Sometimes, some of the silliest of tricks save so much of time and effort. Very common scenario is to copy a query result to excel. Most take either of...
2017-11-25
4 reads
Tricks - Copy T SQL Result to Excel
Sometimes, some of the silliest of tricks save so much of time and effort. Very common scenario is to copy...
2017-11-25
683 reads
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Question of the Day
Query Plan Regressions --
For the Question of the day, I am going to go deep, but try to be more clear, as I feel like I didn't give enough info last time, leading folks to guess the wrong answer... :) For today's question: You’re troubleshooting a performance issue on a critical stored procedure. You notice that a previously efficient query now performs a full table scan instead of an index seek. Upon investigating, you find that an NVARCHAR parameter is being compared to a VARCHAR column in the WHERE clause. What is the most likely cause of the query plan regression?
See possible answers