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Reporting and analytics FAQ — page 7

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293 questions · page 7 of 8

Reporting and analytics

A Quick Report built against Customer Order History, using several self-joins with correlated MIN(history_no) subqueries to pull the date/user/state for each of several status milestones (Released, Reserved, Delivered, Invoiced, Order Confirmation Printed) per order, runs fine in a plain PL/SQL tool but fails inside a Quick Report/IAL/view with an out-of-TEMP-space-style error, since the correlated joins end up doing a lot of repeated work. How can this kind of multi-milestone history report be restructured to actually perform?