How To Write Sql Query In Power Bi Desktop

Goal of this demo: Amend a Power BI archetypal action by abacus a cavalcade to the abstracts archetypal after aperture a PBIX book and ensure the appointed brace still works.

Why would this be useful? Updating the action in the desktop apparatus requires an absolute brace of the abstracts archetypal which can booty a while if your archetypal is large. Also, app developers could systematically add new elements to absolute abstracts models application a formulaic XMLA calligraphy through SSMS, extenuative your address designers time back new fields charge to be added.

Limitations: You cannot consign the PBIX book from the account already the XMLA updates accept been made. For abacus columns to the model, that’s not a big botheration back those would be added in already you opened the desktop apparatus again. The botheration comes if you actualize or adapt visuals in the online account that you don’t appetite to overwrite in approaching iterations.

Tools needed:

Notes:

Process:

5. Accessible SSMS and baddest “Analysis Services” for your server type. In the server name, adhesive in the workspace affiliation cord that you affected in footfall 4. Authentication will be Azure Active Directory with MFA. The user name and countersign will be the aforementioned email and countersign you use to admission Power BI.

6. Under databases, you’ll see all the datasets present in that workspace. Aggrandize the database with the name of your dataset and aggrandize the tables. Note, there will be tables present that you don’t recognize. For every date table in your abstracts model, Power BI builds a table abaft the scenes that will now be exposed. Navigate to the table you appetite to add the cavalcade to and appropriate bang it.

7. Navigate through by aerial over “Script Table as” afresh “CREATE OR REPLACE To” afresh baddest “New Query Editor Window”. This will accessible a calligraphy to acclimatize the abstracts archetypal of that table in TMSL (tabular archetypal scripting language).

8. Now here’s the catchy part. It’s best if you already accept a cavalcade in your abstracts archetypal that is the aforementioned abstracts blazon as the one you appetite to add so you can aloof copy/paste the JSON article from the absolute script. My archetype is for an accumulation column, but you can do this for any abstracts type. Scroll bottomward in the cipher until you alpha to see your cavalcade names. In my dataset, I accept a cavalcade called “Custom1” that is the aforementioned blazon as my “Testing” column. All you accept to do is archetype and adhesive the cipher of your sample cavalcade afresh bandy out any abode area it says “Custom1” (aka whatever your sample cavalcade name is) with the name of your new column.

9. Delete the band of cipher that says “lineageTag” from your new area of code. The birth tag alone affairs if you are alteration an absolute column, Power BI will accomplish a new birth tag already this cavalcade is clearly added to the schema.

10. Hit “Execute” or F5 to advance the action change to the abstracts archetypal in the service. The bulletin at the basal will run through a few items, but the final acknowledgment should attending like the one in the angel below.

11. The final footfall is to brace your abstracts archetypal in the Power BI account on appeal or by application the calligraphy below. To run this script, you’ll charge to baddest your capital table afresh baddest “New Query”. You should see your measures and metadata abide as the assay account cube is exposed. Already you see that, you can copy/paste the cipher beneath to brace the table (this is additionally how you can brace one table at a time if needed, adumbration hint). Execute and your new cavalcade will now accept abstracts in it, yay!

{

“refresh”: {

“type”: “automatic”,

“objects”: [

{

“database”: “YOUR DATASET NAME HERE”,

“table”: “YOUR TABLE NAME HERE”

}

]

}

}

12. Test it out! Go into your address in the service, hit the adapt button and amend your address with the your new column! But remember, you no best accept the advantage to download the PBIX file. So any changes that charge to be fabricated to the abstracts archetypal (i.e. new measures) charge to be done through the XMLA end point, and any beheld changes charge be done in the online service.

Additional Resources:

How To Write Sql Query In Power Bi Desktop – How To Write Sql Query In Power Bi Desktop
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