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Merged
learn-build-service-prod merged 4 commits into from
Sep 15, 2025
Merged

Repo sync for protected branch #2732

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ada51d8
Updated example of mv-apply
Sep 15, 2025
a0b0015
Merge pull request #7097 from dyadav7/user/deepyadav/mv_apply_example2
prmerger-automator[bot] Sep 15, 2025
a5a1bd8
Merge pull request #7098 from MicrosoftDocs/main
learn-build-service-prod[bot] Sep 15, 2025
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Merging changes synced from https://github.com/MicrosoftDocs/dataexpl…
Sep 15, 2025
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18 changes: 9 additions & 9 deletions data-explorer/kusto/query/mv-apply-operator.md
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Expand Up @@ -252,27 +252,27 @@ The query combines elements from two dynamic arrays into a new concatenated form

:::moniker range="azure-data-explorer"
> [!div class="nextstepaction"]
> <a href="https://dataexplorer.azure.com/clusters/help/databases/Samples?query=H4sIAAAAAAAAA12OPQuDMBCG9/yKo0sSsIMpXYQOfuzduohIqhlCEysaSy3++KaXtog5CLwf93CtdH6uRgG7SJOA7lwE6TDECbRzJ61uUIq/5KQk4F8c/RxW0jSmEdBU4H+gFV+HGYYZhlkIkXBcl3Is5WKzW6BdfGxSAVnAPvay782MN4bT4N4BQ6J6OtW1cJ4cnGB0QyMdC71dvQtljsUFxslaOeiXQpCvW3lTtdFj2OBf9MYX3vf0tetlYPI3W/swT0sBAAA=" target="_blank">Run the query</a>
> <a href="https://dataexplorer.azure.com/clusters/help/databases/Samples?query=H4sIAAAAAAAAA12OMQuDMBCF9%2FyKh4sJ2CEpXQQHtXsX6SIiqWaQGisaSy3%2B%2BCaBFukdHPfefXdcK43NW69Ar7KP0Q0mQjpNPEa7DlJ3jZfiJxkpCWzw6OvQMkx5GCFMRVixvZ15OxO%2BHv3Q7572UO6h%2FH%2F3zK1BKpAN%2BnmQ49ivKHjiXotQCNcIPAZQf1G9jBpaXBaDBLOZGmloYcGgDhzNPLRhXrSWU%2FdWjkyg5V3VfTcbaqVj2Afoyn8xDwEAAA%3D%3D" target="_blank">Run the query</a>
::: moniker-end

```kusto
datatable (Val: int, Arr1: dynamic, Arr2: dynamic)
[
1, dynamic(['A1', 'A2', 'A3']), dynamic(['B1', 'B2', 'B3']),
5, dynamic(['C1', 'C2']), dynamic(['D1', 'D2'])
1, dynamic(['A1', 'A2']), dynamic(['B1', 'B2', 'B3']),
5, dynamic(['C1', 'C2']), dynamic(['D1'])
]
| mv-apply Arr1, Arr2 on (
extend Out = strcat(Arr1, "_", Arr2)
| summarize Arr1 = make_list(Arr1), Arr2 = make_list(Arr2), Out= make_list(Out)
)
| mv-apply T1=Arr1, T2=Arr2 on (
extend Out = strcat(T1, "_", T2)
| summarize Out= make_list(Out)
)
```

**Output**

| Val | Arr1 | Arr2 | `Out` |
|--|--|--|--|
| 1 | ["A1","A2","A3"] | ["B1","B2","B3"] | ["A1_B1","A2_B2","A3_B3"] |
| 5 | ["C1","C2"] | ["D1","D2"] | ["C1_D1","C2_D2"] |
| 1 | ["A1","A2"] | ["B1","B2","B3"] | ["A1_B1","A2_B2","_B3"] |
| 5 | ["C1","C2"] | ["D1"] | ["C1_D1","C2_"] |

### Applying mv-apply to a property bag

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