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Can a framework-generated PL/SQL record type (not a SQL object type) be serialized to JSON and converted back, on Oracle 19c?

Answer

Native JSON_VALUE-style conversion with a return type only supports SQL object types created with CREATE TYPE, not the PL/SQL record types the framework generates for structures — expect to need a small custom, generic conversion routine for this rather than a single built-in Oracle function that handles framework-generated record types directly.

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