Category: SQL Server (6)

Paul White explains minimal logging for inserts into b-tree indexes using Fast Load Context, and why it might not always work as expected.
May 29, 2019 | SQLPerformance.com | SQL Server, Indexes 0
Erin Stellato discusses the performance impact of a predominately adhoc workload in SQL Server.
Paul White explains in detail the factors SQL Server considers when enabling minimal logging for inserts into an empty clustered table.
Itzik Ben-Gan resumes his blog series on T-SQL bugs, pitfalls, and best practices, treating an issue with correlated column references in subqueries.
Paul Randal provides a detailed introduction to troubleshooting SQL Server workload performance using wait statistics.
Paul White explains in detail the factors SQL Server considers when enabling minimal logging for inserts into a table without a clustered index.
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Paul White goes deep on grouped aggregation pushdown, and explains examples where this optimization is unsuccessful or simply not attempted, using the undocumented command DBCC CSINDEX.
April 23, 2019 | SQLPerformance.com | SQL Server, ColumnStore 0
Aaron Bertrand shares his slide decks and demos from two recent presentations at CodeStock in Knoxville, TN.
April 13, 2019 | Aaron Bertrand | T-SQL, CodeStock, SQL Server 0
Itzik Ben-Gan asks you to invest in SQL Server's future by voting for Row Pattern Recognition, a potential T-SQL syntax extension he deems the next step in the evolution of window functions.
April 10, 2019 | SQLPerformance.com | T-SQL, SQL Server 0
Paul White explains why the IGNORE_DUP_KEY index option on a clustered index can result in much poorer performance than for a nonclustered unique index.
Rob Farley talks about filtered indexes and when you might want to add filtered columns to the index definition.
March 29, 2019 | SQLPerformance.com | T-SQL, SQL Server 0
Glenn Berry provides some details about how compatibility levels and the cardinality estimator have changed over the years, and why modern versions of SQL Server continue to be the better option.
January 29, 2019 | SQLPerformance.com | SQL Server 0
Glenn Berry talks about the blazing speeds of the latest Intel Optane gear from Intel, and how they can improve your SQL Server workloads.
Jonathan Kehayias shows why it can be beneficial to use the RETURNS NULL ON NULL INPUT option for scalar UDFs.
December 27, 2018 | SQLPerformance.com | T-SQL, SQL Server, UDFs 0

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