Introduction According to the official documentation, the READ COMMITTED isolation level “specifies that statements cannot read data that has been modified but not committed by other transactions”. So, one could think that a record returned under this isolation level existed in the committed state at the time of reading. In this article, I am going […]
2021-10-01
2,108 reads
A detailed description of a technique for the the solution of the Bin Packing Problem, that involves a recursive CTE and Window functions
2020-05-14 (first published: 2020-04-23)
5,481 reads
Introduction TOP is one of the many syntactical operators available in T-SQL and at a first view, it could seem very simple and not particularly interesting. According to the official documentation, it “limits the rows returned in a query result set to a specified number of rows or percentage of rows”. The following is the […]
2019-06-04
5,110 reads
Based on a real fact, this article demonstrates how a bad use of sp_executesql can lead to unpleasant surprises
2018-04-30
1,778 reads
Foreign Keys are one of the fundamental characteristics of relational databases and enforce the referential integrity. Is it a good idea to index a FK relationship? When can it help?
2016-09-16 (first published: 2015-06-29)
15,606 reads
SQL Server 2014 has introduced a rebuilt Cardinality Estimator (CE) with new algorithms. Which are the biggest differences between the new CE and the previous one? Which one works better? Read more to find out.
2015-04-09
6,761 reads
By Steve Jones
It’s been an amazing week here, as well as a long week. I’m tired,...
By Steve Jones
skidding – v. intr. the practice of making offhand comments that sound sarcastic but...
By Brian Kelley
Let’s start with the keynote. The biggest take away was how having to support...
Comments posted to this topic are about the item Step by step guide to...
Comments posted to this topic are about the item Backing up the Database Encryption...
Comments posted to this topic are about the item Technology Fears
In my SQL Server 2022 database, I run this:
USE Sales; GO CREATE DATABASE ENCRYPTION KEY WITH ALGORITHM = AES_256 ENCRYPTION BY SERVER CERTIFICATE MyServerCert; GOThis works, but I want to prepare for the future and potential issues. How do I back up my DEK? See possible answers