Listing missing statistics from Teradata query optimizer

Teradata is a fine DBMS whose performance critically depends on whether the right table statistics are available to the query optimizer.

You can request it to hint you for the missing statistics that it would like to have on your tables running the code

diagnostic helpstats on for session;

before checking query plans. After running the command above, the query plan, at the end, will list those statistics that the end of the query plan.