How to reshape teradata sql query from wide to long?
Say I have a query like this:
How do you insert rows for missing products per group in teradata sql
I want to retrieve a complete list of all products associated with each ID. This list should include products that are present in Table1, as well as any products that are not in Table1. For products that are not found in Table1, I want the product name to be marked as ‘missing’ or ‘null’ and still associated with the respective ID.
Teradata – Get unique values among the column in a row
How to obtain unique values from a set of columns for each row in a table.
Consider the following table structure:
TERADATA query to perform sum using reference table
I have following data in the reference table: