After run a query, the output table’s background becomes black. It only happens to this specific query in table A. If I try the same query to table B, the background color doesn’t change.Anyone know why?

I have a cluster with 3 database one each for Dev,PPE and prod, I want to setup configuration so that it will be easy to perform operation on these database by using their environment.

I have a situation where i need to convert the rows into columns in Kusto

I have a table that is populated every hour or so with new updates on every disk in the system. I want to isolate two instances of this update and see whether any of the fields for each disk (identified by unique disk id) have changed in this time.

I have a column called Data which sometimes contains a single object and sometimes contains array of objects, e.g.

Using azure data explorer https://dataexplorer.azure.com/ I ran both queries below.