PostgreSQL: Documentation: 11: 38.8. Procedural Language Functions

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38.8. Procedural Language Functions
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38.8. Procedural Language Functions

PostgreSQL allows user-defined functions to be written in other languages besides SQL and C. These other languages are generically called procedural languages (PLs). Procedural languages aren't built into the PostgreSQL server; they are offered by loadable modules. See Chapter 42 and following chapters for more information.

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