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DotNine SQL Server and more

I am a database specialist from the Netherland with my main focus on Microsoft SQL Server. My IT career began 14 years ago as a System Administrator. I have been working with SQL Server for more then 10 years now and a full time DBA for 5 years.

Azure Machine Learning Algorithm Flowchart

When you are working with Machine Learning there are many things you need to keep an eye on. You need to prepare the data, deal with any missing values and you need to select an algorithm you will be using for you model.

Choosing an algorithm can be a difficult… Read more

0 comments, 739 reads

Posted in DotNine SQL Server and more on 21 July 2017

Using Azure Machine Learning with an on-premises Database

With Azure Machine Learning (AzureML) you have access to a cloud based, flexible and friendly method to perform machine learning tasks on your data. One disadvantage I frequently run into is that cloud based approach of AzureML since the data you are building your machine learning models on has to… Read more

0 comments, 1,888 reads

Posted in DotNine SQL Server and more on 14 May 2017

GroupBy conference recording of Introducing the SQL Server 2016 Query Store available now!

Good news!
The recording of my session “Introducing the SQL Server 2016 Query Store” at the GroupBy conference 2 weeks ago is available for your viewing, listening and reading pleasure!

https://groupby.org/2017/05/introducing-the-sql-server-2016-query-store/

Not only is a video recording available at the page above, but also a podcast version if you prefer… Read more

2 comments, 1,148 reads

Posted in DotNine SQL Server and more on 5 May 2017

Wait Statistics integration inside the Query Store in SQL Server vNext

I remember writing an article about Query specific wait statistics being available inside execution plans in SQL Server 2016 SP1. The way that works is when you view the actual execution plan of a query (through SSMS or the XML) you are able to see the wait information that specific… Read more

2 comments, 994 reads

Posted in DotNine SQL Server and more on 23 April 2017

Configuring and analyzing the Query Store through dbatools

In case you didn’t know this already, dbatools is an awesome collection of Powershell functions that will help you immensely in your work as a DBA. Just one example: migrating SQL Server Instances takes a massive amount of work. You need to backup and restore every database, write down instance… Read more

0 comments, 1,683 reads

Posted in DotNine SQL Server and more on 27 February 2017

Comparing plan consistency and query performance using the Query Store Replay script

The 1.2 version of the Query Store Replay script a number of new features are added that return information of the query behavior on the target server. More specifically, in version 1.2 you are able to compare execution plans and query runtime statistics between replay executions on the source and… Read more

2 comments, 1,449 reads

Posted in DotNine SQL Server and more on 30 December 2016

Replay your workload through the Query Store Replay script!

One of the great features of the Query Store is that it stores query execution plans and runtime performance on-disk and makes it easily accessible through its DMVs and built-in reporting.
Using the information inside the Query Store can make database migrations to higher SQL Server versions far easier, since… Read more

3 comments, 392 reads

Posted in DotNine SQL Server and more on 19 December 2016

Query Store Database Dashboard v1.3 released!

Next to releasing a new version of sp_WhatsupQueryStore, I just released the 1.3 version of the Query Store Database Dashboard!

Release notes:

  • Forced execution plan overview removed Instead you should use sp_WhatsupQueryStore to quickly analyse forced plans by running EXEC sp_WhatsupQueryStore @dbname = ‘your database’, @return_forced_plans = 1.

    You…

Read more

0 comments, 259 reads

Posted in DotNine SQL Server and more on 15 December 2016

sp_WhatsupQueryStore v1.2 available

sp_WhatsupQueryStore v1.2 has just been released!
In this new version additional parameters are added to control what information is returned and a change has been made to the information that is returned by default.

Releasenotes:

  • Changed what information is returned by default when no additional parameters are supplied.
    In the…

Read more

1 comments, 259 reads

Posted in DotNine SQL Server and more on 15 December 2016

sp_WhatsupQueryStore version 1.1 released

Today I released a new version of the sp_WhatsupQueryStore stored procedure. sp_WhatsupQueryStore returns many configuration and performance metrics that are stored inside the SQL Server Query Store through an easy to use stored procedure.

In version 1.1 many new optional parameters are added that influence the output of the stored… Read more

0 comments, 281 reads

Posted in DotNine SQL Server and more on 6 December 2016

Retrieving Query Store query performance data through sp_WhatsupQueryStore

This afternoon I tweeted that a new Query Store related stored procedure I created is available: sp_WhatsupQueryStore.This blog post goes into more detail on how you can use sp_WhatsupQueryStore to easily and quickly retrieve query performance data from the Query Store.

Installation

The first thing you want to do… Read more

10 comments, 1,849 reads

Posted in DotNine SQL Server and more on 24 November 2016

SQL Server 2016 SP1 Query Specific Wait Statistics Available Through Execution Plans

SQL Server 2016 SP1 added loads of cool new features and options. One of those is a change that expands the amount of information that is stored inside an execution plan. Since I love using Wait Statistics as a way to identify performance bottlenecks, I was literally jumping through the… Read more

5 comments, 1,490 reads

Posted in DotNine SQL Server and more on 20 November 2016

Query Store changes in SQL Server vNext CPT1

Not only did we receive a brand new Service Pack for SQL Server 2016 this week, since yesterday we are able to play with the first Community Technology Preview (CTP) of SQL Server vNext!

Since I adore the Query Store feature which was introduced in SQL Server 2016, a large… Read more

0 comments, 389 reads

Posted in DotNine SQL Server and more on 17 November 2016

SQL Server 2016 SP1: DBCC CLONEDATABASE now with Query Store data!

SQL Server 20016 SP1 is released today and it introduces a truck load of new features and options. Even better, it makes many of the Enterprise only features available in Standard!

Ever since SQL Server 2014 SP2 introduced the new DBCC CLONEDATABASE command to create a schema and statistics… Read more

2 comments, 521 reads

Posted in DotNine SQL Server and more on 16 November 2016

Query Store Instance Dashboard

Last week I shared my custom Query Store Dashboard that can be used to view additional performance information that isn’t always directly available through the built-in Query Store reports.

The dashboard I shared last week returns information on a per-database basis by right-clicking a database with the Query Store enabled… Read more

1 comments, 601 reads

Posted in DotNine SQL Server and more on 7 November 2016

Query Store custom SSMS performance dashboard

As most of you might know, I am a big fan of the Query Store feature inside SQL Server 2016. There is however one feature I dearly miss, the ability to customize or build reports underneath the Query Store folder in SQL Server Management Studio.

Even though the built-in reports… Read more

4 comments, 1,944 reads

Posted in DotNine SQL Server and more on 2 November 2016

DBCC CLONEDATABASE and sensitive data

Just over 2 months ago Service Pack 2 for SQL server 2014 was released. Included in this Service Pack is a new DBCC command, DBCC CLONEDATABASE. As the name suggest this command can be used to make a clone of your user database without the table data. Instead it creates… Read more

0 comments, 755 reads

Posted in DotNine SQL Server and more on 28 September 2016

Broadening Horizons: From DBA to Data Science #2 Math Fundamentals

In the previous article in this blog series I told you my plans of expending my horizons towards the Data Science field. As I noted in that article my first steps towards Data Science consists of getting my math knowledge up-to-date again on math areas like linear algebra and matrices. Read more

0 comments, 1,305 reads

Posted in DotNine SQL Server and more on 6 June 2016

Broadening horizons: from DBA to Data Science #1

As an IT professional we are used to spending a lot of time learning about new technologies or how we can improve our knowledge on the products we work with. For more than 10 years now I have been working with SQL Server and still continue to learn new things… Read more

5 comments, 2,690 reads

Posted in DotNine SQL Server and more on 2 June 2016

SQL Server 2016 – It just runs faster SQL Server Engineer Blog Post Overview

In March the CSS SQL Server Engineers started to blog about various new enhancements made to the SQL Server Engine in SQL Server 2016. Even though these performance enhancements don’t get as much attention as the big new features introduced in SQL Server 2016 (like Query Store), they can play… Read more

1 comments, 2,712 reads

Posted in DotNine SQL Server and more on 13 April 2016

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