** Understanding Deterministic Functions in PLSQL

Deterministic functions are a powerful tool in Oracle SQL and PL/SQL that can significantly improve performance by caching results or enabling function-based indexes. A deterministic function always returns the same output for a given set of input parameters, making it an essential feature for optimizing query performance.

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Source: https://dev.to/mrcaption49/deterministic-functions-in-plsql-5ggj