Use plural

There is a legacy practice at SAP to name tables of things in singular, for example country for a “table of countries”. Common tendency in the outside world is to use the plural for lists of things. We therefore recommend to prefer countries instead.

This advice primarily targets things like variables and properties. For development objects, there may be competing patterns that also make sense, for example the widely used convention to name database tables (“transparent tables”) in singular.

Read more in Chapter 2: Meaningful Names: Use Intention-Revealing Names of Robert C. Martin’s Clean Code.