Advent of Code
If you want your skills to be sharp, you practice. If you want to get yourself to actually do practice, you call it a “challenge”. This is what the...
2015-12-23
2 reads
If you want your skills to be sharp, you practice. If you want to get yourself to actually do practice, you call it a “challenge”. This is what the...
2015-12-23
2 reads
We’ve been using the wrong data types for all the wrong reasons. DBAs, developers, data architects, etc. have all been...
2015-12-21
974 reads
A Clustered Index is not another term for Primary Key, and more thought should be put into the key columns...
2015-12-16 (first published: 2015-12-14)
2,482 reads
Data compression is often misunderstood to cost CPU in exchange for smaller size on disk. Somewhat true, but that simple...
2015-12-08
1,119 reads
I love working with indexes, and I need to know what’s using them to work on them intelligently. Most of...
2015-12-08 (first published: 2015-12-01)
2,003 reads
Reading the SQL Server Error Log is miserable. It contains very useful information you should address as soon as possible,...
2015-11-16
675 reads
I write on my blog and get a couple comments at best. I talk at conferences and a large part of...
2015-11-06 (first published: 2015-11-02)
640 reads
Extended Events is supposed to be taking over for most of Profiler and server-side tracing functionality, but there were people...
2015-10-26
1,379 reads
There’s a trick to technical interviews. Every question is looking for integrity first, and intelligence and energy second. This is...
2014-05-23 (first published: 2014-05-13)
2,764 reads
Optional parameters in a stored procedure often lead to scans in the execution plan, reading through the entire table, even...
2014-04-15
722 reads
By Will Assaf
I recently reviewed, worked on, and added a similar example to the DATETIMEOFFSET Microsoft...
Database administrators (DBAs) are the backbone of data-driven organizations. If you're looking to break...
By Brian Kelley
Another security fundamentals topic is authentication versus authorization. For those who have a clear...
I have a SQL Server 2019 Enterprise Edition on CU 25. It has in-memory...
Experts, I am learning some skills so I can troubleshoot some performance-related issues. I...
What happens when I run this code:
SELECT p.ProductName , p.ProductCategory FROM dbo.Product AS p WITH (NOLOCK, TABLOCK);See possible answers