In this blog post, let’s learn about the error message “4019 The select list of a subquery in a select list must be scalar (degree of one).” when working with HPE NonStop SQL/MX, the reason for the error and the solution to fix this error message.
Error Message
4019 The select list of a subquery in a select list must be scalar (degree of one).
Reason for the Error
You specified a select list that is not scalar.
Solution
Correct the syntax and resubmit