SQL Server trace, the most common tool DBAs use to evaluate query performance, provides the ‘logical reads’ counter on which many DBAs rely for evaluating a query’s I/O performance. In this article, we will examine this counter’s true meaning and provide examples that prove it can sometimes be quite misleading
2019-01-15
3,258 reads
In this article, we will examine this counter’s true meaning and provide examples that prove it can sometimes be quite misleading
2018-12-10
2,593 reads
In this article Anoop Kumar discusses Automatic Tuning, a new database feature that helps improve SQL Server query performance automatically.
2018-07-10
4,171 reads
This article compares SELECT INTO and INSERT INTO under different scenarios, and the best approach preferred.
2016-08-05 (first published: 2015-06-09)
20,949 reads
Learn how to approach performance tuning in this piece from SQL Server MCM and MVP, Gail Shaw.
2017-02-10 (first published: 2015-06-08)
16,730 reads
By Rayis Imayev
(2025-June-15) Long gone are the days when a data engineer could simply focus on building...
By Ed Elliott
I recently encountered an interesting issue with ADF where the publish feature suddenly attempted...
Image from Afdhaluddin on ShutterstockCLI which is generally referred to as Command Line Interface...
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I am trying to analyze a number of columns in a large table to determine the highest value for each row. In SQL Server 2022, we have the GREATEST function, which will return the greatest value from those columns passed in. How many columns can I include in an expression like this:
select GREATEST( col1, col2, col3, ...)See possible answers