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Interesting journey.

> C/C++ is undoubtedly one of the most popular programming languages for building database systems. Most well-known database systems, including MySQL, PostgreSQL, Oracle, and IBM Db2, are created in C/C++.

Considering C and C++ to be the same language is quite a stretch. They are fundamentally different.

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It is not a stretch it is just plain wrong. C++ has good C interoperability (most C is even valid C++) and most compilers that support compiling one also support the other, but I can't take seriously anyone that refers to "C/C++" as one language.

Relationship is at best one-way only. C++ can mix and use C code. A C++ compiler will do fine with C. A C++ programmer will do more or less reasonable C code.

C code will not accept C++. A C compiler will not support C++ (unless it's explicitly designed as a C++ compiler too). A C-only programmer will be as lost on a C++ codebase as on a Rust, Go or Java codebase.

This just makes sense since C++ is supposed to be an extension of C.

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