Mechanics of software

Apart from relational model, many contemporary DBMS implement different data models, including extensions of relational ones.

Points to check before any data migration.

Ancient world 1950s – Compilers will make programmers obsolete 1960-70s - 3rd generation programming languages will reduce programmer shortages ...

Any considerations and improvements of this test are welcome.

The "Top 3 of vendors" is still here but new cloud-based DBMS are rising.

The frequently asked problem on interviews.

The opaque pointer (pimpl) idiom has been inherited from C language where it is used to encapsulate implementation details.

Very old subject I remember to discuss in the middle of 1990s...

How to extract all combinations (unordered subsets) from a given set in C++?

Suppose a string of ordered cyphers 123456789.