The perils of RAID
Recently, I was asked to assist an organization with getting their data back for a SQL Server that had experienced physical hard drive failure. I… Read More »The perils of RAID
Recently, I was asked to assist an organization with getting their data back for a SQL Server that had experienced physical hard drive failure. I… Read More »The perils of RAID
In the #sqlhelp Slack channel on the SQL Server Community Slack workspace last month, Jemma Hooper asked: When trying to CAST or CONVERT a datetime2… Read More »Why is a value in DATETIME2 8 bytes, but in BINARY it is 9 bytes?
Edited on 10 October 2018: Please note that this model has changed. See Changes to the SQL Server servicing model (Cumulative Updates) for more. The… Read More »Changes to Service Packs and Cumulative Updates for SQL Server 2017
October is a busy month for me. I am flying all over the US and Canada for speaking engagements to share some thoughts about migrating… Read More »Compañero Conference and SQL Modernization Roadshow
I’ve been working with SQL Server for many years now, and up until recently, I assumed that rebuilding any clustered index would cause non-clustered indexes… Read More »Does rebuilding my clustered index also rebuild my non-clustered indexes?
Joe Obbish wrote an epic post a few weeks ago about loading a trillion rows into a non-partitioned table in SQL Server, using a clustered… Read More »A trillion and one
I got a strange request in a Slack channel the other day. A colleague in South Africa, who uses Windows, was unable to connect to… Read More »Connect Windows 10 client to a VPN on Windows Server 2012 R2
Last week, I posted this statement on Twitter, along with a screen capture of the official Microsoft documentation: Reminder: Max Server Memory is *not* just… Read More »What you need to know about memory limits on SQL Server
This coming weekend, at SQLSaturday #635 in Vancouver BC, I will be presenting a brand new talk about Temporal Tables, one of my favourite features… Read More »Speaking at SQLSaturday #635 in Vancouver this weekend
For the longest time, MySQL has been the recommended database platform for blogs and other websites. It’s free. It’s available on every version of Linux,… Read More »Microsoft presents: MySQL and PostgreSQL?
I was fresh off the boat* from South Africa, working in a small computer store in an equally small town in Saskatchewan. Five days a… Read More »This is how I recovered from a catastrophic failure
Last week we looked at ACID compliance. This week we dive a little deeper into the Isolation portion, and what it all means. Isolation levels… Read More »Locks, Blocks, and Isolation Levels
Relational database management systems (RDBMS) such as SQL Server, Oracle, MySQL, and PostgreSQL use transactions to allow concurrent users to select, insert, update, and delete… Read More »Acids and Databases: A look at ACID and transactions
During a Q&A session I hosted at our local Calgary SQL Server User Group last month, one of the attendees mentioned an interview question he’d… Read More »What is a good Disaster Recovery Plan?
Today’s public service announcement is a reminder to be wary of date formatting in SQL Server. On a recent mailing list discussion, one person demonstrated… Read More »Be Wary of Date Formatting in T-SQL