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)
4,072 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)
4,072 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
354 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
721 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
358 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
828 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)
1,715 reads
There is a growing need for Graph Databases in the market. This is a type of database, which is capable...
2018-01-08
520 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
518 reads
I had the honor to visit Nepal and participate in SQL Saturday Nepal 2017. You can visit the event website...
2017-12-23
461 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)
2,822 reads
If you’re reading this, there’s a good chance you’re straight, white, male, and English-speaking....
By Steve Jones
I started to add a daily coping tip to the SQLServerCentral newsletter and to...
By Brian Kelley
Through high school and college, I carried deep wounds due to what was going...
I have the following tables as a example. Table 1 EmpID, LastName, FirstName 1,Smith,John...
I'm doing an update using a self-join, and just want to confirm something. If...
Comments posted to this topic are about the item Representative Data Challenges