Lenard, Rohan (Rohan) wrote:

Actually the indexes on the child table do seem to get used - I just wanted to make sure there was no penalty not having indexes on the empty parent tables. You are right - the parent is the best way to get at the unknown children ...

Indexes are created in the inheritance process, iirc. However, index entries are not inherited, which means that index-based unique constraints don't properly get inherited.

Best Wishes,
Chris Travers
Metatron Technology Consulting

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