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for larger-scale MOGs, functionality-wise it is common to have 4 different types of databases: transactional processing (OLTP) DBs, real-time reporting DBs, archive DBs, and analytical DBs (OLAP)

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both MVCC-based and Lock-based DBMS issue locks (and therefore, both can cause all kinds of trouble such as deadlocks etc.); however, the difference lies with the number of locks issued by them.

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each of the stages of the rendering pipeline is operating on a large set of items (vertices or fragments/pixels)

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These days, even if the program uses fixed-pipeline, that fixed-pipeline is simulated over shaders anyway ?

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In games, more often than not, we’ll be dealing with so-called Phong reflection model.

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with orthographic projection, the lines which project points from our 3D world onto our 2D screen, are no longer converging to one single point; instead, they go parallel to each other.

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Size-wise, textures are HUGE. Actually, in a typical 3D game, 90%+ of the space on disk (and of GPU bandwidth/RAM) are used by textures.

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3D anti-aliasing algorithms can be divided into two large groups: 'proper' anti-aliasing (the one which tries to avoid anti-aliasing in the first place), and 'post-processing' anti-aliasing (the one which creates an aliased image – and then post-processes it to make it look better).