Improve Query Performance when SQL Server Ignores Nonclustered Index
In this article, we look at why SQL Server may not use a non-clustered index over the clustered index and what you can do to improve performance.
2023-10-30
In this article, we look at why SQL Server may not use a non-clustered index over the clustered index and what you can do to improve performance.
2023-10-30
In this article, we look at execution plans and performance of a natively compiled stored procedure versus a traditional stored procedure.
2023-10-16
We need to monitor our servers, but individual metrics have more complexity than just setting simple limits for their readings.
2023-02-06 (first published: 2023-01-30)
218 reads
2022-08-05
441 reads
2020-11-13
112 reads
2020-11-12
449 reads
2020-06-23
833 reads
2020-06-22
471 reads
The SQL Server set statistics time statement displays the number of milliseconds to parse, compile, and execute a T-SQL query statement. This set statement is widely used to assess times to implement a query statement. The set statistics time statement reports the CPU time and elapsed time for performance tuning.
2020-05-08
Kendra Little talks about write ahead logging in SQL Server, one of the basic concepts that developers and DBAs should understand.
2024-03-21 (first published: 2020-01-20)
3,377 reads
By Steve Jones
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Let’s consider the following script that can be executed without any error on both SQL Sever and PostgreSQL. We define the table t1 in which we insert three records:
create table t1 (id int primary key, city varchar(50)); insert into t1 values (1, 'Rome'), (2, 'New York'), (3, NULL);If we execute the following query, how will the records be sorted in both environments?
select city from t1 order by city;See possible answers