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Rewrite OR to UNION in PostgreSQL queries

Improve queries in PostgreSQL - it is not always possible to rewrite OR to UNION in a query. Find out when it is safe to do manually.

Rewrite OR to UNION in PostgreSQL queries

Improve queries in PostgreSQL - it is not always possible to rewrite OR to UNION in a query. Find out when it is safe to do manually.

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CYBERTEC PostgreSQL

Writes for CYBERTEC PostgreSQL. Part of the Tech Report engineering index.

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