2025-01-08
1,775 reads
Hash join
2024-12-11
1,194 reads
2024-11-27
429 reads
2024-11-13
525 reads
Hash Join Memory Grant Factors
Remember when that old DBA told you not to SELECT *? Erik Darling explains why.
2018-04-26
2,943 reads
Hash Joins on Nullable Columns
Paul White explores some less well-known query optimizer features and limitations, and explains the reasons for extremely poor hash join performance in a specific case.
2015-11-16
3,593 reads
Blogs
A New Word: on tenderhooks
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on tenderhooks – adj. feeling the primal satisfaction of being needed by someone, which...
Ramblings about data communities and your contributions, no excuses
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I have been active in the data community throughout my career. I have met...
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Quick Summary for Microsoft SQL Server till 2025, I am fortunate to be part...
Forums
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I have a quick question on Ola Hallengren Index Optimize Maintenance . Do we...
how do i map the "current" object entry in for each to one variable
hi, in an ssis for each loop over an object variable called MyListVariable, i...
Simulating Mercury’s Orbital Motion Using Pure T-SQL (NASA 2025 Dataset)
SQL Server is typically viewed as a transactional or analytical database engine. However, it...
Question of the Day
String Similarity I
On SQL Server 2025, when I run this, what is returned?
SELECT EDIT_DISTANCE_SIMILARITY('SQL Server', 'MySQL') See possible answers