- symptom: ORA-14039: partitioning columns must form a subset of key columns of a UNIQUE index
- cause: Local indexes can only be unique if the partitioning key is the part of the index key.
Everything Changes
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I saw a recent tweet (on Bluesky) from SQLDaily highlighting a blog note
that Lukas Eder wrote in 2016 with the title: “Avoid using COUNT() in SQL
when you...
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