What is AlwaysOn

What is AlwaysOn

AlwaysOn Availability Group (AG) is one of my favorite features in SQL Server and is worth considering when using SQL server 2012 or greater. One of the nicest features in AlwaysOn AG is that in a single subnet environment it can be totally transparent to your...
Seven SQL Performance-Killers to Avoid in Db2

Seven SQL Performance-Killers to Avoid in Db2

How Db2 Handles SQL SQL is a powerful language in the hands of the right RDBMS. One of SQL’s strengths is that you specify what data you want returned without specifying what file, disk, san, or sector that data is stored on. Because we describe the result set...
Upgrading the SHA-1 certificate in SQL Server

Upgrading the SHA-1 certificate in SQL Server

For some time now, SHA-1 has not been allowed to be issued from CA’s with few exceptions. This was due to a large catalog of evidence suggesting that SHA-1 was less secure than acceptable. Starting with SQL 2016 self-signed certificates are issued using SHA-2,...