Which One is Better? IN or BETWEEN?
I just had an interesting case of performance tuning: a query with multiple predicates on a very large table. Something...
2018-03-21 (first published: 2018-03-09)
4,106 reads
I just had an interesting case of performance tuning: a query with multiple predicates on a very large table. Something...
2018-03-21 (first published: 2018-03-09)
4,106 reads
Let’s say you have a very large table on a SQL Server 2012 Standard Edition instance. This means: old cardinality...
2018-03-02
362 reads
This wait type indicates that parallel plans execute on the server. This wait type doesn’t necessarily means there is a...
2018-03-02
806 reads
Usually, when I need to troubleshoot currently running requests, I use a combination of sys.dm_exec_requests and sys.dm_os_waiting_tasks. The former retrieves...
2018-02-01
382 reads
Houston, We Have a Problem
We are living in a crazy world. And it just gets more and more crazy all...
2018-01-28
831 reads
Let’s say you need to create a new SQL Server database, which is going to grow very fast, but you...
2018-01-18 (first published: 2018-01-08)
1,737 reads
There is a growing need for Graph Databases in the market. This is a type of database, which is capable...
2018-01-08
526 reads
SQL Server 2017 brings a new interesting feature, that might be a game changer in some environments. I’m talking about...
2017-12-25
555 reads
I had the honor to visit Nepal and participate in SQL Saturday Nepal 2017. You can visit the event website...
2017-12-23
466 reads
In show #84 of the SQL Server Radio Hebrew Edition, Matan and I talked about how to calculate running totals in SQL...
2017-12-01 (first published: 2017-11-19)
2,857 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