A user is seeing an error in the Explore that indicates the primary key defined...

Create a query that selects all the fields from the table, and sort by primary key.

Create a query that selects the primary key from the base view, and look forduplicates.

Create a query that counts how many occurrences of the primary key value are in the base view, and sort by count.

Create a query that concatenates two columns to create a compound primary key.