When do Distribution Statistics Get Updated?
Statistics objects are important to us for allowing SQL to make good estimates of the row-counts involved in different parts...
2017-07-05
751 reads
Statistics objects are important to us for allowing SQL to make good estimates of the row-counts involved in different parts...
2017-07-05
751 reads
What is an Index?
We often hear indexes explained using the analogy of an index in the back of a book....
2017-06-12
1,556 reads
This is the first in what I hope will be a semi-regular series of recreational puzzles where SQL can be...
2017-06-07
1,485 reads
In this post we’re going to create some encrypted columns in a table in a test database and look at...
2017-06-06
8,295 reads
Parallelism and MAXDOP
There’s no doubt that parallelism in SQL is a great thing. It enables large queries to share the...
2017-05-26
5,143 reads
A lot has been written about the change of licencing in SQL 2016 SP1. Here's my two-pence worth.
2017-05-17
3 reads
A small change, but a great one, in SQL 2016 is native support for splitting strings.
This has to be about...
2017-05-09
766 reads
Thoughts on how to think about parallelism in SQL Server - and how to tune it.
2017-04-18
6 reads
In this post we’re going to create some encrypted columns in a table in a test database and look at some of the practicalities and limitations of working with...
2017-04-10
2 reads
This post attempts to explain in simple terms what keys are involved in Always Encrypted, how they get used, and the implications of those facts.
2017-04-03
2 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...
WhatsApp+19254941544 La guía definitiva para obtener una licencia de conducir en California El Departamento...
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