Azure Data Studio supports installing extensions and has it’s own marketplace where you can get the full install details.

On your left bar, choose this funny little icon;

It will show what extensions you already have installed and also the marketplace. If you sort by below you’ll be able to scroll through the marketplace.



Click on any that take your fancy, it’ll open a page about it along with animations showing how they work (if the publisher has included them).

You can also build your own or download other extensions directly from source. Let’s go get Phil Scott’s pre-release of queryplan.show;

https://github.com/phil-scott-78/azure-data-studio-queryplan-show/releases/tag/v0.0.1

Go ahead and download the .vsix file. Once you’ve got that, open ADS, open the command palette (Ctrl+Shift+P) and find Extensions: Install from VSIX…

Navigate to your download folder and select the vsix file you’ve just downloaded.

If it’s not on the store you’ll probably see the following error message, I’m going to click Yes but you need to know that you trust the publisher (or you like living life dangerously, you rebel)

YOLO right?

Once it’s installed you’ll have to reboot Azure Data Studio to enable it

Once it’s reloaded you’ll see that your new extension is enabled

Nice work, you can now add Master With Azure Data Studio to your C.V.

Each extension will have different install instructions that will be shown on their GitHub page. Follow these and you’ll have access to those sweet extensions.

Ever wondered how many things Azure Data Studio can do? Open the command palette and have a scroll through.

Press Ctrl+Shift+P and you’ll see the command palette at the top of the screen. You’ll see your recently used commands appear at the top, the rest will be scrollable;

There’s a whole section for your installed extensions, a whole bunch for source control and loads of others. Have a dig through and see what’s interesting to you

You’ll use the command palette a lot, get comfortable with it and your life will be a lot easier.

If you’ve ever had to get involved in query performance you’ll have used execution plans. Azure Data Studio gives execution plans too but they’re a little tricky.

Let’s build a quick query and gather our execution plans. This query will work on any database;

In your query editor window the obvious button is the ‘Explain’ button. This works and will give you the estimated query plan.

You’ll recognise the execution plan that you see in ADS as it looks very much like the same version in SSMS.

Estimated plan in Azure Data Studio

Here’s what it would have looked like in SSMS

The same plan in SSMS

One advantage ADS has over SSMS is that you can also see the Top Operations natively.

This has been possible in Sentry One Plan Explorer for a long time but it’s also now native in ADS. It’s great when you’re looking at a massive plan and want to drill down into the major pain points quickly.

Getting the actual execution plan is a little more complicated. It’s not a nice easy button so you’ll want to get used to shortcuts.

press Ctrl+Shift+P to open the command palette and type ‘run’. You’ll notice the command to ‘Run Current Query with Actual Plan’. That’s the ticket;

You’ll also notice that there’s an even better shortcut. Ctrl+M is going to execute the query and give you the actual plan.

There is currently a gotcha with ADS actual execution plans where it only renders the last code block. There is an open github issue for this so keep an eye on it as there’s new stuff being released every month.

Let’s look at how you can connect to your servers and group them up using Azure Data Studio. 

You’ll see down the left navigation bar. The icon we care about is at the top and will take you to the servers area of the app.

You may as well jump in and connect a server to see what it’s like.

You’ll be given a connection popup. Assuming you can connect using Windows credentials then you’ll just need to put the name of your instance in the server box.

You’ll see the connection appear in your server list. Have a click around, you can see the databases, security and database objects, you’ll be used to these from SSMS.

You’ll be able to connect to all of your servers here, just add them one at a time.

Once you’ve added a few you will probably notice you’ll want to start organising them into folders. Go ahead and add a new server group.

You get to choose a name for the group as well as a description that pops up like a tooltip. You also get to choose a funky colour for it too

Personally, I’ve separated out Live from Dev from QA but do whatever is best in your environment.

If you have instances stacked on the same box then you can create subfolders for these. Just drag and drop folders within folders and instances in those folders.

Look at that, all pretty and organised.

Azure Data Studio Themes

This is one of the features of Azure Data Studio that is great for accessibility as well as just being cool.

The default theme is your basic light theme. It’s fine but this isn’t the only theme you have to use.

Use Ctrl+k Ctrl+t to open the theme options.

Have a click through and see how they look when you’re editing code. It’s a case of choosing something that suits your style. My preference is the default dark theme but go nuts and choose one you like.

Oh, and if you’re a sadist, check out the Red theme



Azure Data Studio has a feature called Code Snippets which allow you to quickly create all of those commands that you forget the syntax for all the time.

Crack open a new query window and type in ‘sql’, you’ll see all of the default templates




Choose any to look at and you’ll see a template with fields for you to change. sqlAddColumn looks like this

It gives you the fields to replace with your own query along with comments explaining what each section is for. Really handy.

It even has complicated stuff like cursors off the bat

Tell me you’d remember the syntax for a cursor without looking it up, I certainly wouldn’t.

A great thing about these snippets is that you can add your own and they can be exactly how you want them.

To get started with this open the Command Pallet with Ctrl+Shift+P and type in ‘snippets’.

Scroll down and find the SQL option. Open it and it will bring you to the SQL.json file in which we’ll be storing our SQL Snippets.

Here’s an example of where to start.

Paste this into your file. Close the sql.json file and save your results then open a new query window (Ctrl+N). Type in ‘sql’ and you’ll see the two new snippets that you created

And there you go, you’ve got custom snippets waiting for you. You can go ahead and create whatever you’d like in whatever format you like.

These snippets are based on Visual Studio Code, for the official documentation head here.

Happy snipping!

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