How to do recursion on distinct values in teradata?

@gilbert 

To perform recursion on distinct values in Teradata, you can use a common table expression (CTE) with the recursive keyword. Here is an example of how to do recursion on distinct values in Teradata:

1. Create a recursive query with a CTE that selects distinct values to start the recursion process:

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WITH RECURSIVE cte_distinct_values AS (
    SELECT DISTINCT column_name
    FROM your_table
    WHERE condition
    UNION ALL
    SELECT your_table.column_name
    FROM cte_distinct_values
    JOIN your_table ON cte_distinct_values.column_name = your_table.column_name
    WHERE condition
)
SELECT *
FROM cte_distinct_values;

In this query:

• Replace column_name with the actual column name on which you want to perform recursion.
• Replace your_table with the actual table name from which you want to select distinct values.
• Replace condition with any additional conditions that you want to apply to filter the distinct values.

1. Execute the recursive query to retrieve the distinct values in Teradata.

By following these steps, you can perform recursion on distinct values in Teradata using a CTE with the recursive keyword.