Modeling Time
Time is an interesting thing. It moves in only one direction; it’s units of measurement are irregular and constantly in motion. When we go to model it in SQL, it’s usually easier to do lookup tables (calendars) rather than trying to compute …
Welcome to the DBA Training Plan.
Foreword: 8 years ago, I launched an email series with a 6-Month DBA Training Plan. I sent one email per week, bringing people up to speed on the most important topics that nobody taught ’em along the way. It’s hard to believe it’s be …
SQL SERVER – Microsoft Official Support End Dates for Different Versions
Earlier this week, Microsoft SQL Server 2008 and 2008 R2 support ended. Lots of people were caught unaware of the same. Last two weeks has been extremely busy for me as lots of organizations have been procrastination of the SQL Server upgrade and sudde …
Politics makes for bad databases – plus calculate British holidays
I have recently been reflecting on how politics frequently adversely affects databases, and is the cause of change. It might seem obvious to expand this concept to reflect on how politics seems to adversely affect many other things, but this is a place …
How to Find Definition of Computed Column in SQL Server using T-SQL? – Interview Question of the Week #233
Question: How to Find Definition of Computed Column in SQL Server using T-SQL?Answer: A very fair question, I received the other day SQL Server Performance Tuning Practical Workshop. I really love simple questions which require a small amount of resear …
Puzzle – DELETE Qualified Rows From Multiple Tables – Win USD 1000 Worth Class
It has been a while since we have had a puzzle on this blog post, so today we are going to see a very simple but brain teaser puzzle. This puzzle is about Deleting Qualified Rows From Multiple Tables. This question was actually asked to me by my client …
Presenting at PASS Summit 2019
I am honored to have been selected to present two sessions at the PASS Summit 2019 in Seattle, WA. This year, I have a half-day session and a regular, general session.My half-day session is Dr. DMV’s Troubleshooting Toolkit, and here is the abstr …
SQL SERVER – Using Memory-optimized Tables and Native Stored Procedures – Video Course
I am happy to announce that I have just published my recent SQL Server Performance Tuning video course on Pluralsight on the topic – Using Memory optimized Tables and Native Stored Procedures.The In-Memory OLTP feature adds a new memory-optimized …
Loading data into SQL Data Warehouse
The post Loading data into SQL Data Warehouse appeared first on SQLServerCentral.
Training Class Update: Fancier Audio/Video Setup
I’m constantly looking for ways to raise my game, so I made some investments this month to take my video class audio & video to the next level. I’m now doing green screen effects on the recordings. I picked up an Elgato retractable gree …
Impact of DBCC DROPCLEANBUFFERS on Memory – SQL in Sixty Seconds #085
Some concepts are so good in SQL Server, they keep on coming back to me one way or another way. After reading my recent blog posts about DBCC DROPCLEANBUFFERS lots of people wanted to see the demonstration of the same. In this SQL in Sixty Seconds vide …
Data privacy: don’t look forward, look back
The post Data privacy: don’t look forward, look back appeared first on SQLServerCentral.
A DBA’s Look at the Data Catalog
Security audits are generally a part of a DBA’s life, with particular focus in my domain on General Data Protection Regulation (GDPR) and Payment Card Information (PCI). One of the more entertaining questions that an auditor may ask is along the …
SQL Server Diagnostic Information Queries for July 2019
This month, I have just done minor updates to most of the query sets.I have a T-SQL script that you can use to check whether your instance of SQL Server has been patched to mitigate against the Spectre/Meltdown CPU vulnerability. This works for SQL Ser …
[Video] Help! SQL Server 2008 is Still Here!
Your company is ignoring the news: SQL Server 2008 and 2008R2 are officially out of support as of today, but nothing’s changing at your company. You still have SQL Server 2008 in production, and you’re a little nervous. How should you appro …